Manual

4 HG2F
34-50 WindO/I-NV2 User’s Manual
● Serial interface 2
• Connect pin 6(EN) and pin 2(ER) unless performing maintenance communications for downloading project data.
●
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
7SG ― Signal Ground
8NC ― No connection
6
3
4
7
8
5
2
1