Mitsubishi Electric GOT2000 Series Connection Manual page 181

(25) RS485 connection diagram 25)
GOT side
*3
SDA
SDB
RDA
RDB
SG
* 5
RSA
* 5
RSB
* 5
CSA
* 5
CSB
*1 Pin No. of control equipment differs depending on the model. Refer to the following table.
Signal name
RDA
RDB
SDA
SDB
SG
FG
Signal name
RDA
RDB
SDA
SDB
SG
FG
*2 Terminating resistor should be provided for a control equipment which will be a terminal.
*3 Set the terminating resistor setting switch of the GOT main unit to "110Ω".
➠ ■3.
*4 Connect FG grounding to the single-sided end of a cable shield line.
*5 The signals RSA, RSB, CSA, and CSB are not provided for
Terminating resistor (150Ω 1/2W)
Control equipment side
RDA
59
SDA
57
RDB
60
SDB
58
SG
61
FG
3
*4
Model of control equipment
SDC20 SDC21
(02, 04) (09) (03, 06, 08)
Pin No. Pin No. Pin No.
17 18 27
18 19 28
15 16 25
16 17 26
5 5 29
3, 4 3, 4 3, 4
CMF050 CML
Pin No.
9
10
7
8
12
19
Connecting terminating resistors
*2
Control equipment side
RDA
59
SDA
57
RDB
60
SDB
58
SG
61
FG
3
*4
SDC40A/40B/40G
Pin No.
59
60
57
58
61
3
Model of control equipment
PBC201-VN2 CMC10B
Pin No. Pin No.
12 11
13 12
14 13
15 14
16 15
3 -
. Return connection is not required.
3.3 Connection Diagram
3
AHC2001
Pin No.
3
2
5
4
1
-
3 - 55