Mitsubishi RS232/485/LAN Serial Communication Control Manual Pagina 61

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2 Mitsubishi
2-61
Chap.2
Connection Diagram 2-9: Computer Link Unit (RS-485) 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
2 RDA TERM - - 9 -
3 SDA RDA(RD+) 2 3 10 32
4 DSRA RDB(RD-) 7 4 16 33
5 DTRA SDA(SD+) 1 1 11 30
7 SG SDB(SD-) 6 2 15 31
8 SG CS- 9 - 18 37
15 RDB RS- 8 - 19 35
16 SDB CS+ 4 - 21 36
17 DSRB RS+ 3 - 22 34
18 DTRB SG 5 5 7 29
D-sub, 9P connector socket type/Terminal block (HG1F)
D-sub, 25P connector socket type (HG2F/3F/4F)
D-sub, 37P connector plug type (HG2S)
D-sub, 25P connector socket type
Internal
termination
resistor
330-Ohm
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.
When you use the Terminal Block type of HG1F, make sure to configure the Hardware Flow
control to NONE because the HG1F doesn’t have control lines.
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