Mitsubishi Electric GOT2000 Series Connection Manual page 166

(3) RS-485 connection diagram 3)
Interface
converter
(KS-485)
TRD+
2
TRD-
3
SG
1
FG
9
*1
*2
*3
(4) RS-485 connection diagram 4)
SDA1(TXD1+)
SDB1(TXD1-)
SDA2(TXD2+)
SDB2(TXD2-)
RDA2(RXD2+)
RDA1(RXD1+)
RDB2(RXD2-)
RDB1(RXD1-)
RSA(RTS+)
RSB(RTS-)
CSA(CTS+)
CSB(CTS-)
*1
*2
*3
*4
5 - 18
5.3 Connection Diagram
Terminating resistor(100Ω 1/2W)
* 2
* 3
Pin No. of temperature controller differs depending on the model. Refer to the following table.
Signal name
+
-
Terminating resistor should be provided for a temperature controller which will be a terminal.
Turn ON the terminating switch of an interface converter which will be a terminal.
Connect FG grounding to the appropriate part of a cable shield line.
* 3
GOT side
6
8
NC
1
SG
2
5
NC
3
7
NC
4
9
10
11
12
NC
13
14
NC
15
16
NC
17
18
NC
19
20
Pin No. of temperature controller differs depending on the model. Refer to the following table.
Signal
PXR3
name
Pin No. Pin No.
+ 15
- 14
Terminating resistor should be provided for a temperature controller which will be a terminal.
Set the terminating resistor of GOT side which will be a terminal.
➠ ■3.
Connecting terminating resistors
Connect FG grounding to the appropriate part of a cable shield line.
* 2
Temperature
controller side
+ * 1
1
- *
* 3
PXR3 PXR4
Pin No. Pin No.
15 7
14 8
Temperature
controller side
+ * 1
- * 1
* 4
Terminating resistor(100Ω 1/2W)
* 4
Model of temperature controller
PXR4 PXR5/9 PXG4
Pin No. Pin No.
7 1 7
8 2 8
Temperature
controller side
Model of temperature controller
PXR5/9 PXG4
Pin No. Pin No.
1 7
2 8
Temperature
controller side
+ * 1
- * 1
* 2
PXG5/9 PXH9 PXF4
Pin No. Pin No. Pin No.
1 14 7
2 16 8
* 1
+
* 1
-
PXG5/9 PXH9
Pin No. Pin No.
1 14
2 16
PXF5/9 PUMA/B
Pin No. Pin No.
25 3
26 4