Moxa Technologies ICF-1171I Series Manual de usuario

P/N: 1802011710010

*1802011710010*

ICF-1171I Series

Quick Installation Guide

Version 1.0, June 2022

Technical Support Contact Information

www.moxa.com/support



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Overview

Introduction

The ICF-1171I Series CAN-to-fiber converters are used in pairs to

connect two CAN (CAN 2.0) or two CAN FD (ISO CAN FD) devices or

networks via single-mode or multi-mode optical fiber. The ICF-1171I

CAN-to-fiber converters provide 2 kV isolation protection for the CAN

interface and dual power inputs to ensure that your CAN system works

uninterrupted.

The ICF-1171I Series can separate and protect critical segments of the

system from the rest of the CAN network and is protocol independent,

allowing it to work with all the different CAN protocols and frame

lengths. In other words, the higher layer CAN protocols, based on CAN

(CAN 2.0) and CAN FD (ISO CAN FD), can work through the ICF-1171I

Series.

To connect two CAN devices with a fiber-optic cable, two ICF-1171I

Series converters are required.

Why an ICF-1171I CAN-to-fiber converter?

•Extends the CAN Bus Transmission Distance

Typically, the total transmission distance of a CAN (CAN 2.0) or

CAN FD (ISO CAN FD) system can be extended by 2 km (multi-

mode fiber) or by 40 km (single-mode fiber) using ICF-1171I

converters. However, the reach of these exten sions depends on the

environment, architecture, etc.

•Easily Fulfil Various Communication Scenarios

Two CAN (CAN 2.0) networks or CAN FD (ISO CAN FD) networks

can communicate with each other using different baudrates. The

ICF-1171I converters can automatically detect the baudrate of the

connected CAN (CAN 2.0) device and apply the baudrate itself.

Therefore, you do not need to know the baudrate of the connected

CAN (CAN 2.0) device, making it an extremely convenient feature.

Baudrates can also be set to a predefined value via rotary switches.

Please note that Automatic baudrate detection is only supported in

CAN (CAN 2.0), not in CAN FD.

•Easily Troubleshoot Communication Issues

It is easy to check if an issue exists on the CAN bus or the fiber

link. The ICF-1171I converters come with LEDs that indicate the

fiber link state, fiber communication status, CAN bus state, and

CAN bus communication status.

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Features

•Extends the transmission distance of the overall CAN bus system

•Converts CAN signals to fiber and vice versa

•Supports CAN (or CAN 2.0, including CAN 2.0A and CAN 2.0B) and

its extension CAN FD (CAN Flexible Data Rate); conforms to the

ISO 11898 standard

•CAN (CAN 2.0) and CAN FD (ISO CAN FD) arbitration rate (or

nominal bit rate, arbitration bit rate) is up to 1 Mbps; data rate is

up to 5 Mbps

•Dual power inputs for redundancy

•DIP switch for 120 Ωterminal resistance

•Wide temperature range model available for -40 to 75°C

environments (“-T” models)

•Supports higher layer CAN protocols such as CANopen, DeviceNet,

SAE J1939, etc.

•Supports point-to-point connection to another ICF-1171I

Package Checklist

Before installing the ICF-1171I Series, verify the package contains the

following items:

•ICF-1171I Series CAN-to-fiber converter with a DIN-rail kit pre-

locked on it

•Quick Installation Guide (printed)

•Warranty card

Optional Accessory

•WK-30-02: Wall-mounting kit, 2 plates, 4 screws, 30 x 66.8 x 2

NOTE

Please notify your sales representative if any of the above

items are missing or damaged.

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Mounting Dimensions

ICF-1171I-S-ST/ICF-1171I-M-ST

The appearance is the same for all, including wide-temperature (-T)

models; the only difference is the label of the model.

Top View

Front View

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ATTENTION

Electrostatic Discharge

Warning!

To protect the product from damage

because of electrostatic

discharge, we recommend wearing a grounding device when

handling your ICF-1171I Series.

Hardware Installation Procedure

The ICF-1171I is designed to be attached to a DIN rail or mounted on a

wall. For DIN-rail mounting, push down the spring and properly attach

it to the DIN rail until it “snaps” into place. For wall mounting, install

the wall-mount kit (optional) first and then screw the device onto the

wall. An M3 screw is suggested, and the minimum length of the screw

should be 7 mm.

The following figure illustrates the two suggested mounting options.

DIN-rail Installation

Step 1:

Insert the top of the DIN-rail into

the slot just below the stiff metal

spring.

Step 2:

The DIN

-rail attachment unit will

snap into place as shown below

To remove the ICF-1171I Series from the DIN rail, simply reverse steps

1 and 2 above.

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Wall-mounting Installation

For wall mounting, the suggested direction of the product is upright—

the same as for DIN-rail mounting.

The following figure illustrates how to attach the screws to the

mounting kits:

DIN Rail:

Wall-mount:

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Power Input and Relay

The ICF-1171I supports dual power inputs for redundancy. When one

power input fails, the relay will be triggered. Be sure to install the dual

power inputs for the ICF-1171I Series and choose the correct relay

output when connecting the alarm.

Please see the terminal block definition for power input and relay in the

following table.

Relay

(Normally

closed)

Relay

(Common)

Relay

(Normally

open)

Power

input 1

Power

input 1

Power

input 2

Power

input 2

N.C.

COM

N.O.

V1+

V1-

V2+

V2-

Please see the power input status and corresponding relay status in the

following table:

Power input status

Relay status

Both power inputs are on/off

Normally closed (N.C.)

Power input 1 or power input 2 is on

Normally open (N.O.)

NOTE

Before connecting the equipment to DC power inputs, make

sure

the DC power source voltage is stable

•

The wiring of input terminal block shall be installed by a

skilled person.

•

Wire type: Cu

•

Only use 28-14 AWG wire size, torque value 0.19 N-m.

•

One individual conductor in a clamping point.

NOTE

The equipment is intended to be supplied by the external power

source (UL listed/ IEC 60950

-1/ IEC 62368-1), which output

complies with ES1/SELV, PS2/LPS, output rating is

12 to 48

VDC, 188.5 mA (max.), and ambient temperature 75°C

NOTE

If you are

using a Class I adapter, the power cord should be

connected to an outlet with an earthing connection.

CAN Pin Assignment

Please see the terminal block definition for CAN bus port in the

following table.

CAN High

CAN Low

CAN Signal Ground

CAN_H

CAN_L

CAN_GND

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Make sure CAN high (CAN_H) is connected to the CAN high pin, and

CAN low (CAN_L) is connected to the CAN low pin of your CAN device.

Fiber Cable

ST-Port Pinouts

ST-Port to ST-Port Cable Wiring

ATTENTION

This is a Class 1 laser/LED product. Do not stare into the laser

beam

1. Ca

ution—Use of the controls or adjustments or the

performance of procedures other than those specified herein

may result in hazardous radiation exposure."

Complies with 21 CFR 1040.10 and1040.11, except for

nformance with IEC 60825-1 Ed. 3., as described in Laser

Notice No. 56, dated May 8, 2019.

Switch Settings

There are three DIP switches on the front panel of the ICF-1171I

Series; DIP switch 1 is reserved for future use. See the usage below.

Use DIP switch 3 to set up CAN (CAN 2.0) or CAN FD (ISO CAN FD)

mode. CAN in the table below is equal to CAN 2.0, and CAN FD is equal

to IS O CAN FD.

CAN Mode

Switch 3

CAN FD

CAN

OFF (default)

Use DIP switch 2 to enable terminator.

120 Ω Terminator

Switch 2

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Enable

Disable

OFF (default)

There are two rotary switches at the bottom of the ICF-1171I Series,

which is used to configure the arbitration rate or data rate of the CAN

bus. Rotary switch 1 is used to set up the arbitration rate of CAN (CAN

2.0)/CAN FD (ISO CAN FD); rotary switch 2 is used to set up the data

rate of CAN FD (ISO CAN FD).

Explore the following use cases to see how you use the rotary switches:

Use case 1: My devices use CAN (CAN2.0) with communication

speed/bit rate of 1Mbps. How do I set up the baudrate of ICF-1171I?

You can set up a fixed baudrate by switching rotary switch 1 to PIN 1,

and ignore rotary switch 2. Or, you can use auto baudrate by switching

rotary switch 1 to PIN 0. When the ICF-1171I receives the data frames

sent by the connected CAN device, it can detect the baudrate and set to

itself.

The auto baudrate function sets up a sequence to initialize the

baudrates supported by the ICF-1171I (e.g., 1Mbps, 800 kbps, 500kbps

as in the table below).

Also, make sure the DIP switch in the front panel is set to “CAN” mode.

Use case 2: My devices use CAN FD (ISO CAN FD) with dual bit rates

(or called BRS, Bit Rate Switch), nominal/arbitration rate is 1Mbps, and

data rate is 2Mbps.

In this case, please set rotary switch 1 to PIN 1, and set rotary switch 2

to PIN 3. Also, make sure the DIP switch in the front panel is set to

“CAN FD” mode.

Auto-baudrate is supported in CAN (CAN 2.0). To use auto baudrate,

send the CAN data to the ICF-1171I. The ICF-1171I will detect the

baudrate and apply to itself.

CAN 2.0/CAN FD Arbitration Rate

Rotary Switch 1 Pin Position

Auto baudrate (only in CAN 2.0)

0 (Default)

1 Mbps

800 kbps

500 kbps

250 kbps

125 kbps

50* kbps

25* kbps

Reserved

*Arbitration rates 25 kbps and 50 kbps are only used in CAN (CAN

2.0); An arbitration rate equal to or above 125 kbps is supported in

CAN FD (ISO CAN FD). For CAN FD (ISO CAN FD), the suggested ratio

of arbitration rate to data rate ranges from 1:1 to 1:8.

CAN FD Data Rate

Rotary Switch 2 Pin Position

5 Mbps

4 Mbps

3 Mbps

2 Mbps

3 (Default)

1 Mbps

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800 kbps

500 kbps

250 kbps

Reserved

LED Indicators

There are 6 LEDs on the front panel of the ICF-1171I.

LED

Color

Description

PWR1 Green Steady ON: Power is being supplied to

PWR1

Off

Off: Power is NOT being supplied to PWR1,

or another type of other power error

PWR2

Green

Steady ON: Power is being supplied to

PWR2

Off

Off: Power is NOT being supplied to PWR2,

or another type of power error

CAN TX/RX

Green

(Flashing)

CAN bus port is transmitting or receiving

data

Off

No communication on CAN bus

(CAN) STATE

Green

CAN is operating normally or the auto

baudrate detection is successful

(According to the CAN definition, it’s called

the Error active state; Transmit error

counter or Receive error counter is below

127)

Red

(Flashing

once per

second)

Communication errors have occurred

(According to the CAN definition, it’s called

the Error passive state; Transmit error

counter or receive error counter equals or

exceeds 127). Error Passive becomes Error

Active when communication (transmission

and reception) returns to normal, in other

words, when both the TEC and the REC

decrease to less than or equal to 127.

To eliminate this error, check the following:

1. Check if the CAN cables are connected

correctly (CAN high: CAN_H, CAN low:

CAN_L)

2. Check the CAN bus termination

3. Check the status of the connected CAN

devices

4. Check whether

the baudrate settings of

the CAN devices are in the supported

range of the ICF-1171I’s baudrate

5. Check for possible interferences in the

environment

Resetting the ICF-1171I is not necessary in

this case until it becomes Bus-Off.

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