A-16
FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
FC5A-SIF4 Cable Connection with Operator Interface (RS485)
HG series Operator Interface
Pin
Description
HG3G
(Connector)
HG2G/HG3G
(Terminal Block)
HG1F
*1
HG2F/
3F/4F
HG2S
—
—
—
1
1
FG
1
8
3
10
32
RDA (RD+)
6
9
4
16
33
RDB (RD-)
*2
6
1
11
30
SDA (SD+)
*2
7
2
15
31
SDB (RD-)
—
—
—
18
37
CS-
*3
—
—
—
19
35
RS-
*3
—
—
—
21
36
CS+
*3
—
—
—
22
34
RS+
*3
5
5
5
7
39
SG
FC5A-SIF4
Terminal
NC
A
A
B
B
SG
SG
Shield
*1:
Terminal numbers are described.
*2:
As HG3G uses only RDA and RDB for RS-485(422) 2-wire method communication, connecting SDA and SDB is unnecessary.
*3:
When HG2G or HG1F is used, wiring CS-, RS-, CS+, and RS+ is unnecessary. Disable the hardware flow control of the con-
nected HG series operator interface.
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