Instruction manual

1
17. Expansion I/O Module (ZM-322ME) 1-43
Hardware Specifications
Wiring
In wiring ZM-322ME (I/O terminal block), the terminal screw, the terminal block
arrangement, and the input/output circuit are as follows:
1. Terminal screw
2. Terminal block arrangement
I/O unit terminal block should arranged as below.
3. Input/output circuit
Input/output circuits are as shown below.
• Input circuit
Screw size
M3
Terminal screw
of I/O terminal
block
Torque
0.3
0.5 (N m)
Clamp terminal
Max. 6.2 (mm)
Connect referring to the above figure.
Load Load Load Load
Load Load Load Load
Load Load Load Load
Load Load Load Load
24 VDC
12 to 24
VDC
24
VDC
Item
Inputs
COM points
Input type
Input voltage
ON voltage
OFF voltage
Max. permissible voltage
Permissible ripple factor
Insulation type
Input impedance
Input current
Specifications
16
1(1 common per 16 points)
Non-voltage contact NPN type (+ common system)
12 to 24 VDC
9.6 to 30V
0 to 3.6V
30 VDC
5% or less
Photo coupler insulation
3 k ohms
5 to 7ms
Internal circuit
12 to 24 VDC