Hardware manual

4 Allen-Bradley PLCs
2-117
Chap.2
Connection Diagram 4-2: Interface Module (RS-232C) to MICRO/I and
PLC-5 (RS-232-C) to MICRO/I
PLC(RS-232C) HG1F/2F/2S/3F/4F(RS-232C)
Pin No.
Pin No.
Name
Name
HG1F
Connector
HG2F/
3F/4F
HG2S
1 FG FG 1 1 1
2 SD SD 2 2 30
3 RD RD 3 3 32
4 RTS RS 9 4 34
5 CTS CS 6 5 36
6 DSR NC -
６
-
7 SG SG 7 7 29
8 DCD NC - 8 -
20 DTR ER - 20 -
D-sub, 9P connector socket type (HG1F)
D-sub, 25P connector socket type (HG2F/3F/4F)
D-sub, 37P connector plug type (HG2S)
D-sub, 25P connector socket type
(unit side)
Shield Wire
Connection Diagram 4-3: Interface Module (RS-422) to MICRO/I
PLC(RS-485/422) HG1F/2F/2S/3F/4F(RS-485/422)
Pin No.
Pin No.
Name Name
HG1F
Connector
HG1F
Terminal
HG2F/
3F/4F
HG2S
1 FG FG Cover - 1 1
14 SDA TERM - - 9 -
25 SDB RDA(RD+) 2 3 10 32
16 RDA RDB(RD-) 7 4 16 33
18 RDB SDA(SD+) 1 1 11 30
SG SDB(SD-) 6 2 15 31
4 CS- 9 - 18 37
5 RS- 8 - 19 35
6 CS+ 4 - 21 36
8 RS+ 3 - 22 34
20 SG 5 5 7 29
Internal
termination
resistor
330-Ohm
D-sub, 9P connector socket type (HG1F)
D-sub, 25P connector socket type (HG2F/3F/4F)
D-sub, 37P connector plug type (HG2S)
D-sub, 25P connector socket type
(unit side)
Shield Wire
- There is no pin No. corresponding to TERM on the HG1F/HG2S. When inserting a termination
resistor, use a communication switch. For the setting of the switch, refer to "3 Important Points
Regarding Wiring" in Chapter 1.