Contrec 414Q Manual de usuario
BATCH CONTROLLER
MODEL 414Q
July 2001
CONTENTS
1. Introduction 3
1.1 Model Number Designation 4
2. Specification 5
3. Operation 7
3.1 Front Panel Operation 8
3.2 Batch Operations 11
3.2.1 Control Relay Outputs 13
3.2.2 Signal Timeout 14
3.2.3 End of Batch 15
3.2.4 Auto Restart 16
3.2.5 Automatic Overrun Compensation 17
3.3 Single and Quadrature Inputs 18
3.4 Calculation of Rate and Total 19
3.4.1 Frequency Input 19
3.4.2 Filtering 20
3.5 Total Conversion 22
3.6 Non-Linearity Correction 23
3.7 The Output Pulse and Flow Alarm 25
4. Options 27
4.1 The RS232/422/485 Interface Option 27
4.1.1 Hardware 27
4.1.2 Multipoint Communication 28
4.1.3 Communication Protocol 30
5. Calibration 32
5.1 Programming the Setup Parameters 34
5.2 Entering the Batch Parameters 37
5.3 Programming Options 39
5.4 Checking the Input Signal 41
6. Input Circuits 42
6.1 Flow Inputs 42
6.2 Remote RUN and STOP Switches 48
7. Installation 49
7.1 General 49
7.2 Wiring Designations for the Model 414Q 51
7.3 Ex 410 Enclosure Dimensions 52
8. Trouble Shooting 53
8.1 Error Codes 56
Index 57
1. INTRODUCTION
The Model 414Q Batch Controller is designed for high accuracy flow
applications where it is required to batch liquids using a one or two stage valve
The Batch Controller includes such features as:
SINGLE or QUADRATURE pulse inputs.
NON-LINEARITY CORRECTION.
TICKET PRINTING or COMPUTER interface options.
The Model 414Q is ideally suited to custody transfer applications where high
accuracy and signal integrity is required.
The instrument is fully programmable, with all calculation constants set via the
front panel switches and stored permanently in a non-volatile memory.
This instrument conforms to the EMC-Directive of the Council of European
Communities 89/336/EEC and the following standards:
Generic Emission Standard EN 50081-1 Residential, Commercial & Light
Industry Environment.
Generic Emission Standard EN 50081-2 Industrial Environment.
Generic Immunity Standard EN 50082-1 Residential, Commercial & Light
Industry Environment.
Generic Immunity Standard EN 50082-2 Industrial Environment.
In order to comply with these standards, the wiring instructions in Section 7.1
must be followed.
Introduction 3
1.1 MODEL NUMBER DESIGNATION
The Model number of an instrument describes which input and output options are
installed and the AC mains voltage rating.
Model 414 Q. 1 0 E B
B for Backlite
C for Conformal Coating
E for 220/240 VAC
A for 110/120 VAC
D for DC Power Only
Options
0 for no option
2 for RS232/422/485
Mounting
1 for panel mounting
2 for field mounting
3 for explosionproof
The Model Number of the instrument is displayed on first entering the
Calibration Mode (see Section 5).
4Introduction
2. SPECIFICATION
General
Display: 6 digit LCD. 0.7" (17.8mm) high digits.
Display Update Rate: 0.25 seconds.
Transducer Supply: 8-24VDC field adjustable.
50mA maximum.
Power Requirements: 11.5 to 28.5 volts DC.
130 mA typical current (no options).
AC Mains: Set internally to 95 - 135 VAC or
190 - 260 VAC.
Operating Temperature: 0 to 55°C standard.
Dimensions: 5.7" (144mm) wide x 2.8" (72mm) high x
7.0" (178mm) deep.
Cutout:5.5" (139mm) wide x 2.6" (67mm) high.
Frequency Input
Frequency Range: Minimum: 0.25Hz on Rate.
0Hz on Total.
Maximum: 10KHz with a single input.
2.5KHz with a quadrature
input.
Input Circuits: Will accept most sine logic and proximity
switch inputs (see section 6.1).
Scaling Range: 0.1000 to 50,000.
Relay Outputs
Maximum Switching Power: 1250VA.
Maximum Switching Voltage: 250VAC, 30VDC.
Maximum Switching Current:5 Amps.
Specification 5
Pulse Output
Pulse Width: 10mSec (negative going pulse).
Maximum Duty Cycle: 49 pulses per second.
Scaling: The pulse output is scaled and outputs one
pulse each time the accumulated total
increments.
Non-linearity
Number of Points: 10 correction points maximum.
Correction between Points: Linear interpolation used.
6Specification
3. OPERATION
The Model 414Q uses a low power CMOS microprocessor to perform all control
functions and calculations.
The instrument is fully programmable with all operating parameters and
calculation constants user programmable. (See Section 5 entitled "Calibration"
for information on programming.) All parameters and constants are stored in a
non-volatile memory which retains data without battery backup for a minimum of
10 years.
A block diagram of the instrument is shown below.
A DIL switch on the rear panel enables the frequency input circuit to be set to
interface with a wide range of flowmeters, including turbine flowmeters and
flowmeters with Namur type sensors.
Operation 7
RS232/422
Option RS232/422
Output
PC/EOB
Control
Relay Outputs (2)
Pulse
Output
Flow Alarm
DC Input Power
DC Power Output to Sensors
DC Power Ground
110/220V
AC Mains
Pulse Input
Channel 2
Signal
Common
Pulse Input
Channel 1
Relays
Model 414Q
3.1 FRONT PANEL OPERATION
The four key operation of the Batch Controller is straight forward.
SETTING THE BATCH QUANTITY
The Batch quantity is programmed as follows:
Switch Action Display Comments
Press BATCH SET Batch "Batch" is displayed for one second
followed by the batch quantity last
entered. The Batch Set LED lights.
"1"2345 The most significant digit flashes
indicating that it can be changed.
Press "2"2345 Pressing the DISPLAY key will
increment the digit. The up arrow on
the Display key indicates to increment
digit.
Press 2 "2"345 Pressing the RUN key will change digit
and enables the next digit to be
incremented. The right arrow on the
RUN key indicates to change digit.
Press BATCH SET Set Once the desired number is entered,
press the BATCH SET key to return to
the Run mode. The Batch Set LED will
extinguish.
Once programmed, the Batch quantity will be retained in the non-volatile
memory and will not alter until changed by the user.
8Operation
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