YASKAWA MEMOCON GL120 User Manual page 164

4) The following diagram shows an example for terminal connections.
For Current Signal Source
External device
EXAMPLE
External device
For Voltage Signal Source
External device
External device
Note: (1) Isolation between Input Channels
There is no insolation provided between the input circuit channels. If isolation
between channels is required, use a commercial isolation amplifier for each
channel.
(2) Recommended Cables
Use shielded twisted-pair wire 1.3 mm
nect to the terminal block.
Shielded twisted-pair wire
+
A
-
4 to 20 mA
Shielded twisted-pair wire
+
A
-
4 to 20 mA
Shielded twisted-pair wire
+
V
-
1 to 5 V
Shielded twisted-pair wire
+
V
-
1 to 5 V
Grounding resistance
100 Ω max.
2
(AWG16) to 0.5 mm
4-17
4.1 Analog Input Specifications
1 CH1 S
2 CH1 +
3 Shield 1
4 CH1 -
CH2 S
5
CH2 +
6
Shield 2
7
CH2 -
8
CH3 S
9
CH3 +
10
Shield 3
11
CH3 -
12
13 CH4 S
14 CH4 +
15 Shield 4
16 CH4 -
17 Not connected
18 Not connected
19 FG
20 Not connected
2
(AWG20) to con-
4