Fuji Electric MICREX-SX series - Wiring Example

5-6
Section 5 Wiring
5-3 Wiring of Analog Input/Output Module
Note 1: Unused channels shall basically be short-circuited and output terminals shall be open.
Note 2: Ground shielding wires at one point on the PC side (class D grounding). However, when shielding wires had better
be grounded on the external device side due to the condition of external noise, their ends on the module side must be
open. If an external input device has the same FG, it may be better to ground both sides.
Note 3: Keep signal wires that go out of this module sufficiently away from high-voltage or power cables, and avoid parallel
wiring.
Note 4: Avoid wiring the signal cables in the vicinity of load cables coming from devices other than PLC or bundling them with
such cables.
Note 5: Keep the signal cables sufficiently away from circuits where high frequencies occur, such as inverter main load circuit.
5-3-2 Wiring example
The analog input/output module shall be wired according to the figure below, using shielded twisted pair cables.
V1
COM1
I1
V2
COM2
I2
V3
COM3
I3
V4
COM4
I4
V5
COM5
I5
V6
COM6
I6
SLDޓ
SLDޓ
(Note 2)
* 1
* 2
Connected internally
Current input
Shielded twisted pair cable
Analog input/output module
Terminal No.
2
3
4
5
6
7
8
9
1
12
13
15
16
17
18
19
20
14
10
11
Analog
output device
Analog
output device
Analog
output device
Analog
output device
Analog
input device
Analog
input device
When current is input,
short-circuit between “V” and “I”.
* 1 When voltage is output, connect
between “V” and “COM” terminals.
* 2 When current is output, connect
between “I” and “COM” terminals.