IDEC MICRO/I HG2J-7U Hardware Manual page 54

3 HG4G/3G, HG2G-5F
Serial Interface (COM2)
●
Use applicable cables for wiring and recommended ferrules (made by Phoenix Contact or Weidmüller) as follows.
Interface Specification
Connector
Applicable cable
Recommended ferrule
Tightening Torque
No.1
No. Name
1 SD
2 RD
3 RS
4 CS
5 SG
6 4W-SDA
7 4W-SDB
8 4W-RDA/2W-A
9 4W-RDB/2W-B
Using RS422/485 interface
When using RS422/485 interface, set the Terminating Resistor Selector Switch to the ON side. This will connect the
internal terminating resistor (120Ω) between RDA and RDB.
OFF
Terminating Resistor Selector Switch (for RS422/485 interface)
Expansion Module Interface (EXT)
●
IDEC MICROSmart expansion modules can be connected to the HG4G/3G, HG2G-5F.
Refer to Chapter 2 "1.2 Applicable Expansion Modules" on page 2-2 for the number, the types and the combination of
the expansion modules that can be installed.
1-44
RS232C, RS422/485
Detachable Terminal Block 9-pin
AWG20 to 22
AI 0,34-8 TQ
AI 0,5-8 WH
AI-TWIN 2 x 0,5-8 WH
(Phoenix Contact)
0.22 to 0.25 N·m
No.9
I/O
OUT Send Data
IN Receive Data
OUT Request to Send
IN Clear to Send
― Signal Ground
OUT Send Data (+) [4W]
OUT Send Data (-) [4W]
IN/INOUT Receive Data (+) [4W]/ Send and Receive Data (+) [2W]
IN/INOUT Receive Data (-) [4W]/ Send and Receive Data (-) [2W]
ON
MICRO/I Hardware Manual
H0,34/12 TK
H0,5/14 OR
H0,5/14 ZH OR
(Weidmüller)
Function Communication type
RS232C
RS422/485