Mitsubishi RS232/485/LAN Serial Communication Control Instrukcja Obsługi Strona 55

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2 Mitsubishi
2-55
Chap.2
Connection Diagram 2-2: 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
FG FG Cover - 1 1
SDA TERM - - 9 -
SDB RDA(RD+) 2 3 10 32
RDA RDB(RD-) 7 4 16 33
RDB SDA(SD+) 1 1 11 30
SG SDB(SD-) 6 2 15 31
CS- 9 - 18 37
RS- 8 - 19 35
CS+ 4 - 21 36
RS+ 3 - 22 34
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)
Screw-down terminal block
Shield Wire
- When using the QJ71C24 Serial Communication Unit, connect a terminator resistor in
accordance with the instruction manual.
- 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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