Serial interface 2, Expansion unit interface (ext), O/i link interface – IDEC High Performance Series User Manual
Page 1366
4 HG2F
34-50
WindO/I-NV2 User’s Manual
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Serial interface 2
• Connect pin 6(EN) and pin 2(ER) unless performing maintenance communications for downloading project data.
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Expansion Unit Interface (EXT)
The HG2F can be used in conjunction with dedicated HG Series option units. Refer to the Expansion Unit instruction
manual for details.
●
O/I Link Interface
The HG2F Operator Interface can be connected to an O/I Link Unit for 1:N communication with a PLC. This allows
high-speed communication with the PLC host.
Interface Specification
RS232C
Connector
Mini DIN 8 pin
No.
Name
I/O
Function
1
RS
OUT
Request to Send
2
ER
OUT
Data terminal ready
3
SD
OUT
Send Data
4
RD
IN
Receive Data
5
DR
IN
Data set ready
6
EN
IN
Use set ready
7
SG
―
Signal Ground
8
NC
―
No connection
6
3
4
7
8
5
2
1
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