Mitsubishi Electric GOT2000 Series Connection Manual page 168

Graphic operation terminal
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(7) RS485 connection diagram 7)
GOT side
SDA
SDB
RDA
CSA
SG
RDA
RDB
RSB
CSB
FG
*1
*2
*3
*4
3 - 42
3.3 Connection Diagram
* 3
1
6
3
4
5
2
* 4
7
8
9
10
Pin No. of control equipment differs depending on model or optional function model.
Refer to the following table. The numbers in ( ) of the following table correspond to optional function models.
SDC20
Signal name
(02, 04)
Pin No.
RDA
17
RDB
18
SDA
15
SDB
16
SG
5
FG
3, 4
CMF050
Signal name
RDA
RDB
SDA
SDB
SG
FG
Terminating resistor should be provided for a control equipment which will be a terminal.
Set the terminating resistor of GOT as follows.
Set the terminating resistor setting switch of the GOT main unit to "100 OHM".
➠ ■3.
Connecting terminating resistors
Connect FG grounding to the single-sided end of a cable shield line.
Control equipment
side
* 1
RDA
RDB
SDA
SDB
SG
FG
* 4
Terminating resistor(150Ω 1/2W)
Model of control equipment
SDC21
SDC30
(03, 06,
(09)
(040, 041)
08)
Pin No.
Pin No.
Pin No.
18
27
19
28
16
25
17
26
5
29
3, 4
3, 4
Model of control equipment
PBC201-VN2
CML
Pin No.
Pin No.
9
12
10
13
7
14
8
15
12
16
19
3
Control
equipment
side
* 2
SDC31
(045)
(446, 546)
Pin No.
Pin No.
18
18
27
19
19
28
16
16
25
17
17
26
5
5
29
3, 4
3, 4
3, 4
CMC10B
Pin No.
11
12
13
14
15
-
* 1
RDA
RDB
SDA
SDB
SG
FG
SDC40A/40B/40G
Pin No.
59
60
57
58
61
3
AHC2001
Pin No.
3
2
5
4
1
-

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