4 external interfaces, Serial interface 1, External interfaces -49 – IDEC High Performance Series User Manual
Page 1365: Micro/ i specif ication s, Caution

WindO/I-NV2 User’s Manual
34-49
4 HG2F
34
MICRO/
I Specif
ication
s
4.4 External Interfaces
●
Serial Interface 1
■
D-sub Connector
To enable the 330Ω built-in terminator, connect terminal No. 9 [TERM] and terminal No. 10 [RDA/RD (+)] together.
CAUTION
Make sure to turn off the power to the HG2F before wiring each interface.
Interface Specification
RS232C/485(422)
Connector
D-sub 25 pin
No.
Name
Function
1
FG
Frame Ground
2
SD
Send Data (RS232C)
3
RD
Receive Data (RS232C)
4
RS
Request to Send (RS232C)
5
CS
Clear to Send (RS232C)
6
-
-
7
SG
Signal Ground
8
-
-
RS485
RS422
9
TERM
Terminator
TERM
Terminator
10
RDA
Receive Data A
RD+
Receive Data (+)
11
SDA
Send Data A
SD+
Send Data (+)
12
-
-
-
-
13
-
-
-
-
14
-
-
-
-
15
SDB
Send Data B
SD-
Send Data (-)
16
RDB
Receive Data B
RD-
Receive Data (-)
17
-
-
-
-
18
-
-
CS-
Clear to Send (-)
19
-
-
RS-
Request to Send (-)
20
ER
Data Terminal Ready (RS232C)
21
-
-
CS+
Clear to Send (+)
22
-
-
RS+
Request to Send (+)
23
-
-
-
-
24
-
-
-
-
25
-
-
-
-