Connection Diagram - Mitsubishi Electric GOT2000 Series Connection Manual

(2) RS-422/485 cable 1) (1 pair wiring)
CON side(20 pin)
SDA1(TXD1+) *5
6
SDB1(TXD1-) *5
8
RDA1(RXD1+)
10
R
RDB1(RXD1-)
12
*3
SG
2
NC
1
NC
3
NC
4
SDA2(TXD2+)
5
SDB2(TXD2-)
7
RDA2(RXD2+)
9
RDB2(RXD2-)
11
NC
13
RSA(RTS+)
14
NC
15
RSB(RTS-)
16
NC
17
CSA(CTS+)
18
NC
19
CSB(CTS-)
20
*1 The actual terminal layout on the MODBUS
B(+/-) terminals can be separated from each other. Make sure to connect the cables and wires as described in the MODBUS
RTU equipment manual.
*2 Some MODBUS
*3 A terminating resistor is required. Set the terminating resistor selector of the main unit to "Disable" and connect a 110
terminating resistor. (
*4 For the terminating resistor of MODBUS
*5 Use the twisted pair cable for SDA1/SDB1.
(3) RS-422/485 cable 2) (2 pair wiring)
GOT side (D-Sub 9-pin)
SDA
1
R
SDB
6
*3
RDA
2
R
RDB
7
*3
SG
5
RSA
3
RSB
8
CSA
4
CSB
9
*1 Some MODBUS
*2 Some MODBUS
Make sure to connect the cables and wires as described in the MODBUS
*3 A terminating resistor is required. For GT27, set the terminating resistor selector of the main unit to "Disable" and connect a
330
*4 For the terminating resistor of MODBUS
4 - 6
4. MODBUS(R)/RTU CONNECTION

4.3 Connection Diagram

*3
®
/RTU equipment doesn't have SG. In this case, the wiring between GOT and SG is unnecessary.
1.4.3 Terminating resistors of GOT)
®
*3
®
/RTU equipment doesn't have SG. In this case, the wiring between GOT and SG is unnecessary.
®
/RTU equipment require the control line (CS, RS, etc.) to be controlled.
terminating resistor. ( 1.4.3 Terminating resistors of GOT)
®
®
MODBUS /RTU equipment side
(+)
(-)
SG
®
/RTU equipment may differ from the example shown above. SDA/B(+/-) and RDA/
/RTU equipment, refer to the manual of MODBUS
®
MODBUS /RTU equipment side
(1st)
RDA(+)
RDB(-)
SDA(+)
SDB(-)
SG
®
/RTU equipment, refer to the manual of MODBUS
*1*2*4 ®
MODBUS /RTU equipment side
®
/RTU equipment to be used.
*1*2*4 ®
MODBUS /RTU equipment side
RDA(+)
RDB(-)
SDA(+)
SDB(-)
SG
/RTU equipment manual.
®
/RTU equipment to be used.
*1*2*4
(+)
(-)
SG
®
/
*1*2*4
(2nd)