Rs-485 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

11.3.3

RS-485 cable

■1. Connection diagram
(1) RS485 connection diagram 1)
SDA1(TXD1+)
SDB1(TXD1-)
* 4
SG
SDA2(TXD2+)
SDB2(TXD2-)
RDA1(RXD1+)
RDB1(RXD1-)
RSA(RTS+)
RSB(RTS-)
CSA(CTS+)
CSB(CTS-)
NC
NC
NC
RDA2(RXD2+)
RDB2(RXD2-)
NC
NC
NC
NC
*1 Pin No. of controller differs depending on the model. Refer to the following table.
*2 Terminating resistor should be provided for a controller which will be a terminal.
*3 Set the terminating resistor of GOT side.
➠ ■3.
*4 When connecting to DB1000 or DB200 Series, connect SG of the controller and SG of the GOT.
* 3
GOT side
6
8
* 4
SG
2
5
7
10
12
14
16
18
20
1
3
4
9
11
13
15
17
19
Connecting terminating resistors
LT230
Signal name
Terminal
No.
SA 6
SB 7
SG 8
Terminating resistor(100Ω 1/4W)
* 1
Controller
SA
SB
* 4
SG
Controller type
LT300 LT400 LT830
Terminal Terminal Terminal
No. No. No.
11 11 6
12 12 7
15 15 8
11.3 Connection Diagram
* 2
* 1
Controller
SA
SB
* 4
SG
DZ1000,
DB1000 DB2000
DZ2000
Terminal Terminal Terminal
No. No. No.
19 12 26
20 13 27
23 14 28
11 - 15
11