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4. EtherCAT (REC-GW-EC) 

Refer to the instruction manuals for each field network master unit for the details. 

 
 
 

 

Connector Name 

EtherCAT Connector 

Remarks

Cable Side 

Ethernet ANSI/TIA/EIA-568-B Category 5 
and above 8P8C modular plug equipped 
with shield (RJ45) 

Please prepare 
separately 

Controller Side 

Ethernet ANSI/TIA/EIA-568-B Category 5 
and above 8P8C modular Jack equipped 
with shield (RJ45) 

 

 

Pin 

No. 

Signal Name 

Description 

Applicable cable 

diameter 

1  TD+ 

Data  

It is recommended 
to prepare a 
straight STP cable 
in Category 5 or 
above for the 
Ethernet cable. 

2  TD- 

Data sending- 

3  RD+ 

Data re 

4  - 

Disconnected 

5  - 

Disconnected 

6  RD- 

Data receiving- 

7  - 

Disconnected 

8  - 

Disconnected 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

5. EtherNet/IP (REC-GW-EP) 
7. PROFINET IO (REC-GW-PRT) 

Refer to the instruction manuals for each field network master unit for the details. 

 
 
 

 

Connector Name 

EtherNet/IP, PROFINET IO Connector 

Remarks

Cable Side 

Ethernet ANSI/TIA/EIA-568-B Category 5 
and above 8P8C modular plug equipped 
with shield (RJ45) 

Please prepare 
separately 

Controller Side 

Ethernet ANSI/TIA/EIA-568-B Category 5 
and above 8P8C modular Jack equipped 
with shield (RJ45) 

 

 

Pin 

No. 

Signal Name 

Description 

Applicable cable 

diameter 

1  TD+ 

Data  

It is recommended 
to prepare a 
straight STP cable 
in Category 5 or 
above for the 
Ethernet cable. 

2  TD- 

Data sending- 

3  RD+ 

Data re 

4  - 

Disconnected 

5  - 

Disconnected 

6  RD- 

Data receiving- 

7  - 

Disconnected 

8  - 

Disconnected 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

6. PROFIBUS-DP (REC-GW-PR) 

Refer to the instruction manuals for each field network master unit for the details. 

 
 
 
 
 

 

Connector Name

PROFIBUS-DP Connector 

Remarks 

Cable Side 

9-pin D-sub Connector (Male) 

Please prepare separately

Controller Side 

9-pin D-sub Connector (Female) 

 

 

Pin 

No.

Signal Name

Description 

Applicable cable diameter

1 NC 

Disconnected 

Dedicated cable for 
PROFIBUS-DP 
(Type A: EN5017) 

2 NC 

Disconnected 

3 B-Line 

Communication Line B (RS485) 

4 RTS 

Request for Sending 

5 GND 

Signal GND (Insulation) 

6 +5V 

+5V Output (Insulation) 

7 NC 

Disconnected 

8 A-Line 

Communication Line A (RS485) 

9 NC 

Disconnected 

 
 
 
 
 
 
 
 
 
 
 
 

Starting Procedures 

When using this product for the first time, make sure to avoid mistakes and incorrect wiring by referring to 
the procedure below. 
In this section, explains how to start up especially for REC system. Follow an instruction manual (DVD) for 
each device for how to link to other devices, controllers and actuators that are linked in the network. 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Troubleshooting (LED Display) 

On REC Gateway Unit, there are the monitor LEDs for the field network and communication. 
You can confirm the communication establishment and also communication errors on these LEDs. 
Refer to “Names for Each Part” for the position and name of each LED lamp. 

1.  LED Display on EC Gateway Unit 

Panel 

Display 

Color 

Status 

Explanation 

T RUN 

GN 

Illuminating 

Inside bus communication in normal conditions 

Flashing 

Waiting for initializing communication 

OR 

Illuminating 

Inside bus communication in error 

SYS 

GN 

Illuminating 

Operating in normal conditions 

OR 

Illuminating 

Gateway alarm being generated 

STOP 

RD 

Illuminating 

Stop switch on teaching pendant valid (while pressed and held)

OFF 

Stop switch on teaching pendant invalid 

MODE 

GN 

Illuminating 

In AUTO (automatic operation) Mode 

OFF 

In MANU (manual operation) Mode 

C ERR 

OR 

Illuminating 

Error occurred in field network 

OFF 

Field network operating in normal conditions 

STATUS 0 

Differs depending on field network (Refer to Field Network 
Communication Conditions from 1 to 7)

STATUS 1 

Differs depending on field network (Refer to Field Network 
Communication Conditions from 1 to 7) 

 
2.  LED Display on EC Connection Unit 

Panel 

Display 

Color 

Status 

Explanation 

T RUN 

GN 

Illuminating 

Inside bus communication in normal conditions 

Flashing 

Waiting for initializing communication, Initializing 
communication failed

OR 

Illuminating 

Inside bus communication in error 

SYS 

GN 

Illuminating 

Servo ON 

OFF 

Servo OFF 

RD 

Illuminating 

Alarm being generated, stop switch on teaching pendant 
valid (while pressed and held)

Forward 

End 

GN 

Illuminating 

Movement to forward end completed 

OFF 

Stop 

RD 

Illuminating 

Alarm being generated 

Backward 

End 

GN 

Illuminating 

Movement to backward end completed 

OFF 

Stop 

 

[Field Network Communication Conditions] 

1. CC-Link (REC-GW-CC) 

 

Name 

Panel 

Display 

Color 

Status 

Explanation 

STATUS 0 

RUN 

GN 

Illuminating 

Succeeded in refresh and polling reception 
after getting into network, or succeeded in 
refresh reception 

OFF 

1. Not in network 
2. Carrier detected for channel 
3. Timeover 
4. In hardware reset 

STATUS 1 

ERR 

OR 

Illuminating 

1. CRC Error 
2. Station number setting error at reset release 

(65 stations or more including 0 or occupied 
station number) 

3. Baud rate setting error at reset release 

Flashing 

(Flash for 

0.4sec) 

Numbers changed from station numbers and 
baud rate setting numbers at reset release 

OFF 

1. Communication in normal conditions 
2. In hardware reset 

 

5                1

9           6

Cable

Shield

Red B line (Positive side)

Green A line (Negative side)

Master Unit 

Slave Devices 

REC EtherCAT Type 

Ethernet Straight Cable    Category 5 or more 
Double shielded cable braided with aluminum foil recommended 

(Note) Terminal resistance is not required 

Top View of 

Connector on 

EC Gateway   

Unit side 


 
 
 


 
 
 

OUT

 

IN

 

Top View of 

Connector on 

EC Gateway   

Unit side 


 
 
 

5

9

6

1

Top View of

Connector on

EC Gateway

Unit side

Slave Devices

REC PROFIBUS-DP Type

Master Unit

Grounding resistance at 100

Ω

 or less

(Class D grounding)

Master Unit

Switching Hub

Slave Devices

REC-

EtherNet/IP Type

or

REC-

PROFINET IO Type

Ethernet Straight Cable,

Category 5 or more

Double shielded cable braided with

aluminum foil recommended

No →

Check on Safety Circuit 

Confirm that the stop circuit (drive source cutoff circuit) works in normal conditions.

↓Yes

No →

Check of Packed Items 

Are all the delivered items present? 

Contact your local IAI distributor 

Installation and Wiring   
* Refer to [Installation and Noise Elimination] in this first step guide

Install the controller and actuator and perform wiring according. 

Important Check Item 

 Is frame ground (FG) connected? 

 Has the noise countermeasure been taken? 

↓ 

← Yes

Initial Settings (Setup of ELECYLINDER)    * Teaching Tool is required 

Establish the parameter settings for each ELECYLINDER. 

PLC (Master Unit) Baud Rate 

* Refer to PLC Instruction Manual. 

Have the settings established for the PLC node addresses (station 
numbers) and the baud rate. 

Initial Settings (Setup of Gateway)    * Gateway parameter setting tool is required 

Have the settings done for the axis number setting, mode settings, field network communication speed, node addresses 
(station numbers) and so on to suit to the system. 

↓ 

No →

Power Supply 

1) Supply the power to PLC (master unit). 

2) Supply the power to REC. 

Check the status of LED lamps to see the 
cause of the error to have an appropriate 
counteraction. Do the whole process from 
the start if the cause of the error is not 
clear. 

↓ 

Communication Establishment Check 

 Confirm that the communication has been established with the 

LED lamp on EC Gateway Unit. 

    * Refer to “Troubleshooting” in this first step guide 

 Confirm that communication is established also on PLC (master unit).

    * Refer to PLC Instruction Manual. 

Check the circuit. 

↓Yes

Now, it is succeeded to establish communication and ready for operation.

Move on to the system operation check and adjustment. 

↓ 

Assembling REC (Linking up Units) 

Join the units to use such as the EC Gateway Unit, EC Connection Unit and REC Terminal Unit. 

↓ 

↓ 

Important Check Item 

 Is the control sequence applicable for 

the continuous mode and the system? 

↓Yes

Summary of Contents for REC-GW

Page 1: ... what is after UL CE acquired 1 EC Gateway Unit 2 EC Connection Unit Mark Explanation of Mark Use IAI specified cables only 5 How to read the model code 1 EC Gateway Unit 2 EC Connection Unit 3 ELECYLINDER ELECYLINDER available for connection to REC System is only Option ACR 1 Specifications of Power Supply Item Specification Power Input Voltage Range 24V DC 10 Supply Current Described in Current ...

Page 2: ...hine is to be stored and preserved in an environment where condensation is anticipated take the condensation preventive measures from outside of the entire package or directly after opening the package Installation and Noise Elimination 1 Noise Elimination Grounding Frame Ground 2 Precautions regarding wiring method 1 Wire is to be twisted for the 24V DC power supply 2 Separate the signal and enco...

Page 3: ...at the left end as the interface for the field network connection and freely construct with combination of multiple EC Connection Units There is an order of allocation for each unit EC Gateway Unit Left End EC Connection Unit No Order among REC Terminal Unit Right End Each unit should be linked in the process shown below Make sure it gets linked before connected to the DIN rails 1 Twist the operat...

Page 4: ...ating Inside bus communication in normal conditions Flashing Waiting for initializing communication Initializing communication failed OR Illuminating Inside bus communication in error SYS GN Illuminating Servo ON OFF Servo OFF RD Illuminating Alarm being generated stop switch on teaching pendant valid while pressed and held Forward End GN Illuminating Movement to forward end completed OFF Stop RD ...

Page 5: ...Flashing Malfunction with opportunity for recovery STATUS 1 NS GN Illuminating Online connection established Flashing Online No connection established OR Illuminating Critical error IP address duplicated error Flashing Connection Timeout GN OR OFF No IP address 6 PROFIBUS DP REC GW PR Name Panel Display Color Status Explanation STATUS 0 MS GN Illuminating Initialization completed Flashing Initiali...

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