Manual

5 User Communication
3-76 WindO/I-NV2 User’s Manual
HG1F (Terminal)
HG2F/3F/4F (Connector)
HG2S (Connector)
3 RDA(RD+)
Pin No. Name
4 RDB(RD - )
1 SDA(SD+)
2 SDB(SD - )
5 SG
-FG
Pin No.Name
-SDA
-SDB
-RDA
-RDB
-SG
Shield Wire
HG1F
External Device (RS422/485)
Terminal
There is no pin number corresponding to TERM for the HG1F. When a termination resistor is necessary, use
the terminating resistor selector switch. For the terminating resistor selector switch, refer to Chapter 1 "3
Important Points Regarding Wiring" in the "External Device Setup Manual".
1 FG
Pin No. Name
9 TERM
10 RDA(RD+)
16 RDB(RD - )
11 SDA(SD+)
-SDA
Pin No.Name
-SDB
-
RDA
-RDB
Internal
terminaon
resister
330
Ω
15 SDB(SD - )
18 CS -
19 RS -
21 CS+
22 RS+
7 SG
-SG
Shield Wire
HG2F/3F/4FExternal Device (RS422/485)
D-sub, 25P connector socket type
1 FG
Pin No. Name
32
33
RDA(RD+)
30
RDB(RD - )
31
SDA(SD+)
-SDA
Pin No.Name
-SDB
-
RDA
-RDB
37
SDB(SD - )
35
CS -
36
RS -
34
CS+
29
RS+
SG
-SG
Shield Wire
HG2SExternal Device (RS422/485)
D-sub, 37P connector plug type
There is no pin number corresponding to TERM for the HG2S. When a termination resistor is necessary, use
the communication switch. For the communication switch, refer to Chapter 1 "3 Important Points Regarding
Wiring" in the "External Device Setup Manual".