Rs-422 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

9.3.2

RS-422 cable

■1. Connection diagram
(1) RS-422 connection diagram 1)
*1
*2
(2) RS-422 connection diagram 2)
*1
9 - 36
9.3 Connection Diagram
POINT POINT POINT
Differences in polarity between GOT and RKC temperature controllers
The polarity of poles A and B in signal names is reversed between GOT and RKC temperature
controllers.
Connect a cable according to the following connection diagrams.
* 1
GOT side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
FG
-
For GT27 and GT25 (except for GT2505-V), set the terminating resistor to "Disable".
For GT2505-V, set the terminating resistor to "330 Ω".
➠ ■3.
Connecting terminating resistors
For details of the pin assignment, refer to the following manual.
➠
User's Manual of the RKC temperature controller
RKC temperature controller side
(Modular connector)
R (A)
1
R (B)
2
SG
3
T (B)
4
T (A)
5
SG / N.C.
6
For details of the pin assignment, refer to the following manual.
➠
User's Manual of the RKC temperature controller
RKC temperature controller side
(Modular connector)
T (B)
4
T (A)
5
R (B)
2
R (A)
1
SG
3
SG
6
RKC temperature controller side
* 1 * 1
(Modular connector)
1
2
3
4
5
SG / N.C.
6
* 2
R (A)
R (B)
SG
T (B)
T (A)