Flintec FAD-40 Series Manual de usuario

FAD-40

A / D Converter

Technical Manual

Flintec

www.flintec.com

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 1 of 55 
TABLE OF CONTENTS:
SAFETY INSTRUCTIONS.............................................................................................3 
INTRODUCTION ...........................................................................................................4 
1. Overview......................................................................................................................................................4 
2. Key features and Specifications ..................................................................................................................5 
3. Housing........................................................................................................................................................7 
4. Accessories..................................................................................................................................................7 
4.1. Accessories supplied with the instrument ..................................................................................................................7 
INSTALLATION.............................................................................................................8 
1. Recommendations.......................................................................................................................................8 
1.1. Control Cabinet Design..............................................................................................................................................8 
1.2. Cabling.......................................................................................................................................................................8 
1.3. Mechanical Installation...............................................................................................................................................8 
2. Electrical Connections .................................................................................................................................8 
2.1. Power Supply and Grounding....................................................................................................................................8 
2.2. Load Cell Connection.................................................................................................................................................9 
2.3. Digital I/O Connection..............................................................................................................................................10 
2.4. Serial Interface RS232.............................................................................................................................................10 
2.5. Communication Interface.........................................................................................................................................10 
3. Commissioning ..........................................................................................................................................11 
SETUP.........................................................................................................................12
1. Installation of the xFace Software..............................................................................................................12 
2. Connection to the xFace Software.............................................................................................................12 
3. Setup and Calibration ................................................................................................................................13 
3.1. Scale Parameters ....................................................................................................................................................13 
3.2. RS-485 Serial Interface Setup .................................................................................................................................14 
3.3. Scale Build and Calibration......................................................................................................................................15 
4. A/D Status (Performance Test)..................................................................................................................18 
5. Setup of Digital I/O.....................................................................................................................................18 
6. Bus Interface Setup ...................................................................................................................................19 
7. Bus Addressing via Setup Switch..............................................................................................................20 
8. Back up Settings and Calibration Data......................................................................................................20 
FAD-40 / FAD-40MB WITH RS-485 INTERFACE.......................................................21
1. Front View of FAD-40 (MB) .......................................................................................................................21 
2. Electrical Connections ...............................................................................................................................22 
3. RS-485- and Modbus-RTU-Interfacing......................................................................................................22 
4. Setup and Calibration ................................................................................................................................22 
5. BSI Data Structure (for FAD-40 and FAD-40MB only)..............................................................................23 
6. Modbus RTU (for FAD-40MB only)............................................................................................................27 
7. Modbus Data Structure (for FAD-40MB and FAD-40EN only)..................................................................27 
FAD-40PB WITH PROFIBUS INTERFACE ................................................................30 
1. Front View of FAD-40PB ...........................................................................................................................30 
2. Electrical Connections ...............................................................................................................................31 
3. Profibus and RS-232C Interfacing.............................................................................................................32 
4. Setup and Calibration ................................................................................................................................32 
5. Profibus Setup ...........................................................................................................................................32 
6. Profibus and Profinet Data Structure (for FAD-40Px only)........................................................................33 
FAD-40PN WITH PROFINET INTERFACE.................................................................37
1. Front View of FAD-40PN ...........................................................................................................................37 
2. Electrical Connections ...............................................................................................................................38 
3. Profinet Interfacing.....................................................................................................................................39 
4. Setup and Calibration ................................................................................................................................39 
5. Profinet / Ethernet Setup ...........................................................................................................................39 
6. Profibus and Profinet Data Structure (for FAD-40Px only)........................................................................40 
FAD-40EN WITH ETHERNET INTERFACE................................................................41 
1. Front View of FAD-40EN...........................................................................................................................41 
2. Electrical Connections ...............................................................................................................................42 
3. Ethernet Interfacing ...................................................................................................................................43 
4. Setup and Calibration ................................................................................................................................43 

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 2 of 55 
8.5. Ethernet Setup...........................................................................................................................................43 
8.6. Modbus Data Structure..............................................................................................................................43 
9. FAD-40CO WITH CANOPEN INTERFACE.................................................................44 
9.1. Front View of FAD-40CO...........................................................................................................................44 
9.2. Electrical Connections ...............................................................................................................................45 
9.3. CANopen Interfacing .................................................................................................................................46 
9.4. Setup and Calibration ................................................................................................................................46 
9.5. CANopen Setup.........................................................................................................................................46 
9.6. CANopen Data Structure (for FAD-40CO only).........................................................................................47 
10. ERROR TABLE...........................................................................................................51
11. DIAGNOSTICS............................................................................................................52
12. INDEX..........................................................................................................................53 
 
 
 
 
 
 
 
 
 
 
 
 
RIGHTS AND LIABILITIES 
 
All rights reserved. 
 
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any 
means, mechanical, photocopying, recording, or otherwise, without the prior written permission of Flintec 
GmbH 
 
No patent liability is assumed with respect to the use of the information contained herein. While every 
precaution has been taken in the preparation of this book, FLINTEC assumes no responsibility for errors or 
omissions. Neither is any liability assumed for damages resulting from the use of the information contained 
herein. 
 
The information herein is believed to be both accurate and reliable. FLINTEC, however, would be obliged to be 
informed if any errors occur. FLINTEC cannot accept any liability for direct or indirect damages resulting from 
the use of this manual. 
 
FLINTEC reserves the right to revise this manual and alter its content without notification at any time. 
 
Neither FLINTEC nor its affiliates shall be liable to the purchaser of this product or third parties for damages, 
losses, costs, or expenses incurred by purchaser or third parties as a result of: accident, misuse, or abuse of 
this product or unauthorized modifications, repairs, or alterations to this product, or failure to strictly comply with 
FLINTEC operating and maintenance instructions. 
 
FLINTEC shall not be liable against any damages or problems arising from the use of any options or any 
consumable products other than those designated as Original FLINTEC Products. 
 
NOTICE: The contents of this manual are subject to change without notice. 
 
 
Copyright © 2010-2011 by Flintec GmbH, 74909 Meckesheim, Bemannsbruch 9, Germany 
 

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 3 of 55

1. SAFETY INSTRUCTIONS

CAUTION READ this manual BEFORE operating or servicing this equipment. FOLLOW

these instructions carefully. SAVE this manual for future reference. DO NOT allow untrained

personnel to operate, clean, inspect, maintain, service, or tamper with this equipment.

ALWAYS DISCONNECT this equipment from the power source before cleaning or performing

maintenance. CALL FLINTEC ENGINEERING for parts, information, and service.

WARNING ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT.

EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE

MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT

IN BODILY HARM.

WARNING FOR CONTINUED PROTECTION AGAINST SHOCK HAZARD CONNECT TO

PROPERLY GROUNDED OUTLET ONLY. DO NOT REMOVE THE GROUND PRONG.

WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE REMOVING THE FUSE

OR SERVICING.

WARNING BEFORE CONNECTING/DISCONNECTING ANY INTERNAL ELECTRONIC

COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT

ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY (30) SECONDS BEFORE ANY

CONNECTIONS OR DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE THESE

PRECAUTIONS COULD RESULT IN DAMAGE TO OR DESTRUCTION OF THE

EQUIPMENT OR BODILY HARM.

CAUTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE

DEVICES.

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 4 of 55

2. INTRODUCTION

2.1. Overview

The type FAD-40 A/D Converter Series consists of powerful and economic state-of-the-art instruments for static

and dynamic weighing applications plus force and torque measurements including digital I/O control.

Each instrument of the series converts the analogue low level signal from a load cell or a strain gauge sensor to

a digital high-resolution and high-accuracy signal and transmits the digital data to an external PLC or PC

system. As a special feature the instruments can switch between unipolar and bipolar input range without

affecting the external resolution. Digital I/O ports give further possibilities to extend the bus system with I/O

control in the cabinet and fast response setpoint output from the weighing instrument.

The type FAD-40 A/D Converter Series comprises various instruments for different industrial bus systems:

FAD-40 A/D Converter

only with RS485 interface

FAD-40PB A/D Converter with

Profibus DP interface

FAD-40EN A/D Converter with

Ethernet TCP/IP interface

FAD-40MB A/D Converter with

Modbus RTU interface

FAD-40PN A/D Converter with

Profinet interface

FAD-40CO A/D Converter with

CANopen interface

Figure 3.1 –FAD-40 A/D Converter series instruments

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 5 of 55

2.2. Key features and Specifications

Key Features

FAD-40

FAD-40MB

FAD-40PB

FAD-40PN

FAD-40EN

FAD-40CO

Bipolar signal input in Force and Count modes

Yes

500 to 100 000 counts external resolution at calibrated data

Yes

Unipolar 1 million and bipolar 2 million counts is adjusted and filtered

to external resolution in count mode

Yes

High internal resolution up to 8 million counts

Yes

Up to 800 conversions per second

Yes

2 digital inputs/outputs + 1 additional digital outp. (configurable)

Yes

Standard Serial interface RS-232C

Yes

Serial interface RS-485A

Yes

Modbus RTU interface

Yes

Profibus DP-V1 interface

Yes

Profinet interface

Yes

Ethernet (Modbus TCP/IP) interface

Yes

CANopen interface

Yes

BSI data interface

Yes

Bus address selection by setup switch (from 0 to 7)

Yes

Setup by Flintec xFace PC software

Yes

Auto-zero tracking and auto-zero at power-up

Yes

Motion detection

Yes

Zeroing and Taring by bus commands

Yes

Adaptive digital filter for fast and stable reading

Yes

Up to 6 load cells (350 Ω) or 18 load cells (1100 Ω)

Yes

Electronic calibration (eCal) without test weights

Yes

Zero and Span calibrations over bus interface

Yes

Zero adjustment

Yes

Span adjustment with test weights

Yes

Span adjustment with temporary zeroing for unloaded tanks

Yes

Power-on testing with setup switch

Yes

24 V DC power supply (11 to 28 V DC input voltage range)

Yes

Specifications

A/D Converter:

A/D converter type:

24 bit Delta-Sigma radiometric with integral analog and digital filters

Analog input range:

0 mV to +18 mV ( unipolar ) ; - 18 mV to +18 mV ( bipolar )

Linearity:

< 0.0015 % FS

Temperature coefficient:

< 2 ppm/°C

Min. input per vsi

0.1 μV/d (non approved)

Conversion rate:

Up to 800 measurement values per second

Internal resolution:

Up to 8 million counts

External resolution

Up to 100 000 counts (weight value, force, torque) respective

1 million raw counts (unipolar) respective 2 million counts (bipolar)

Calibration and Weighing Functions:

Calibration:

Electronic calibration without test weights (eCal) or calibration by test weights

Digital filter:

10 step programmable adaptive filter

Weighing functions:

Tare, zero, auto zero tracking, motion detection, auto-zero at power-up, save

tare at power-off, increased resolution

Load cells:

Excitation:

5 V DC at 58...1200 Ω, max. 100 mA

Number of load cells:

Up to 6 load cells à 350 Ω or 18 load cells à 1100 Ω in parallel

Connection:

4- or 6-wire technique, cable length 250 m/mm² for 6-wire connection

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 6 of 55

Communication and Setup:

Serial interface

RS232C with 9600 baud (8,N,1);

for FAD-40 and FAD-40MB: RS485 with up to 57600 baud (8N1, 7E1, 7O1)

Other interfaces

Depends on instrument type

Response time

< 4 ms (delay after each read or write command)

Setup and calibration

By PC software via RS232C respective RS485, backup data stored on PC

Digital Inputs + Outputs

2x configurable I/O

Selectively configured as input (10...26 V DC) or

open collector output (24 V DC, max. 100 mA)

1x additional output

Open collector output (24 V DC, max. 100 mA)

Input functions

Zero, tare, clear tare or control input to communication interface

Output functions

Setpoint output with / without hysteresis, tolerance band output or control

output from communication interface

Power supply:

DC power supply

10 to 28 VDC, < 200 mA, not galvanically isolated

Environment and Enclosure:

Operation temperature:

Between -10 °C and +40 °C at maximum 85% RH max, non-condensing

Enclosure and protection

Polyamide, for DIN-rail mounting, IP20

Instrument with RS485 interface: Type FAD-40

Communication:

Serial interface RS485

1200 to 57600 baud (8N1, 7E1, 7O1), bus capability up to 31 units

Communication mode

Requested

Dimensions & weight

99 x 22.5 x 114.5 mm (L x W x H), weighs appr. 110 g

Instrument with Modbus RTU interface: Type FAD-40MB

Communication:

Serial interface RS485

1200 to 57600 baud (8N1, 7E1, 7O1), bus capability up to 31 units

Communication mode

Requested or Modbus RTU

Address range

1...31

Dimensions & weight

99 x 22.5 x 114.5 mm (L x W x H), weighs appr. 110 g

Instrument with Profibus DP interface: Type FAD-40PB

Communication:

Profibus DP-V0 + DP-V1

9,6 kbit/s to 12 Mbit/s (automatic), galvanically isolated interface

Address range

1...126

Dimensions & weight

99 x 45 x 114.5 mm (L x W x H), weighs appr. 150 g

Instrument with Profinet interface: Type FAD-40PN

Communication:

Profinet

100 Mbit/s (full duplex), galvanically isolated interface

IP settings

DHCP or manual setup by PC software

Dimensions & weight

99 x 45 x 114.5 mm (L x W x H), weighs appr. 150 g

Instrument with Ethernet TCP/IP interface: Type FAD-40EN

Communication:

Ethernet TCP/IP

10 Mbit/s (full duplex), galvanically isolated interface

IP settings

Manual setup by PC software

Dimensions & weight

99 x 45 x 114.5 mm (L x W x H), weighs appr. 150 g

Other

Web client interface

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 7 of 55

Instrument with CANopen interface: Type FAD-40CO

Communication:

CANopen V.2.0

10 kbit/s...1 Mbit/s (automatic), galvanically isolated interface

Address range

1...126

Dimensions & weight

99 x 45 x 114.5 mm (L x W x H), weighs appr. 150 g

2.3. Housing

FAD-40 instruments come within a polyamide housing sealed to IP20. They are prepared for mounting on NS

37/7 or NS 35/15 standard DIN rails (see drawings).

22,5 mm

45 mm

99 mm

114,5 mm

View A

View B

Side view

View A: FAD-40, FAD-40MB

View B: FAD-40PB, FAD-40PN, FAD-40EN, FAD-40CO

Figure 3.2 –Dimensions

2.4. Accessories

2.4.1. Accessories supplied with the instrument

The following accessories are supplied together with the instrument. If any part

is missing, please contact your supplier.

FAD-40

FAD-40MB

FAD-40EN

FAD-40PB

FAD-40PN

FAD-40CO

4-pin and 5 mm pitch plug, light gray

7-pin and 3.81 mm pitch plug for load cell cable, black

6-pin and 3.81 mm pitch plug for Digital I/O and RS-485, black

3-pin and 3.81 mm pitch plug for Digital I/O, green

Installation CD (xFace software, technical documentation)

Table 3.1 –Accessories supplied with instrument

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 8 of 55

3. INSTALLATION

PRECAUTION: Please read this manual carefully before you install the instrument. If you apply all

recommendations in this chapter you will increase the reliability and long term performance of your system.

3.1. Recommendations

3.1.1. Control Cabinet Design

Warning: Please follow the following warnings for designing the control cabinet which will increase the

reliability of your system.

The control cabinet should be designed therefor the A/D converters can operate safely. The panel should be

placed in a clean area, without getting direct sun light if possible, with a temperature between -10 ºC and +40

ºC, humidity not exceeding 85% non-condensing. All external cables should be installed safely to avoid

mechanical damages.

FAD-40 instruments are very low level signal measuring instruments. To avoid electrical noise, the instruments

should be separated from equipment that produces electrical noise. Preferably use a metal cabinet against

radio frequency interference, to protect against electromagnetic disturbance the cabinet shall be connected to

ground. Keep the load cell cable trays separated from others, if possible. If there is noise-generating equipment

such as heavy load switches, motor control equipment, inductive loads etc., please be careful against the EMC

interference in the cabinet. If possible protect FAD-40 instruments by a Faraday cage or install them in a

separate section or install them far away from this kind of equipment. Install parallel reverse diodes to the DC

inductive loads like relays, solenoids etc. to minimize voltage peaks on the DC power lines.

3.1.2. Cabling

All cables coming to the control cabinet shall be shielded. Please use separate cable trays for these low signal

level cables. Distance from load cell cables, interface cables and DC power supply cables to power line cables

shall be 50 cm at minimum.

3.1.3. Mechanical Installation

After designing the control panel and installing DIN rails according to the recommendation in this chapter, place

the FAD-40 instruments on the DIN rail Be sure that the mechanical installation of the instruments is done

properly.

3.2. Electrical Connections

Warning: Please always remember that FAD-40 instruments are very low voltage measuring instruments. Your

control cabinet design and proper installation increases the reliability and the performance of the instrument.

Please do not forget that the instrument must be powered off before inserting or removing any peripheral

connector. All required electrical connections should be done as described below.

3.2.1. Power Supply and Grounding

The power supply voltage of the instrument shall be between 12 V DC and 28 V DC. The current consumption

of the power supply will be calculated by multiplying 0.2 A and the quantity of instruments. The pin configuration

of the 24 V DC power supply connector located at the bottom front of the instrument is shown below in

figure 4.1.

FAD-40 and

FAD-40MB

(front view)

FAD-40EN,

FAD-40PB,

FAD-40PN and

FAD-40CO

(front view)

24V 0V

TX RX GND Shield

Warning: Do not forget to connect the Shield pin to the reference ground.

Figure 4.1 –The pin layout of 24 V DC connectors

FAD-40 Technical Manual, Rev.2.1.0; February 2022 Page 9 of 55

The quality of the instrument’s ground will determine the accuracy and the safety of your measuring system. A

proper ground connection is needed to minimize extraneous electrical noise effects on the measurement. A

poor ground can result in an unsafe and unstable operation. It is important that the instrument should not share

power lines with noise-generating equipment such as heavy load switching, motor control equipment, inductive

loads, etc. If the condition of the power line in the plant is poor, prepare a special power line and grounding.

Before interfering the instrument, turn off the power and wait at least for 30 seconds.

3.2.2. Load Cell Connection

To avoid damages, the load cell wiring should be made carefully before energizing the instrument. Load cell

connection details are shown below in figure 4.2. In 4-wire installations the sense and excitation pins with the

same polarity should be short circuited at the connector side. If you have a junction box in your system, use a 6

wire cable between FAD-40 and the junction box, and short circuit these pins at junction box for better

performance.

Load Cell

Connector

4 wire LC connection

6 wire LC connection

WARNING: Connect the load cell cable shield to the reference ground or the

shield pin of the load cell connector.

Figure 4.2 –Load cell connection

When you use a junction box and one or more load cells with 4 wires you have to short-circuit the excitation

(Exc) and sense wires (Sen) the same polarity as show on the figure 4.21.

Junction box 6 Wire-cable FT-10 Indicator

Bridges

4W-Load cell

Shield

+ Exc

+ Sig

- Sig

- Exc

Shield

Figure 4.21 –4 wires load cell connection via connection box

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