ZMIO300 Series Hardware Manual Version 1.8
32
No.
Interface Name
Function Description
1
Status indication light
RUN
Run
indicator
Green
It will light when runs
normally.
POW
Power
indicator
It will light when
power is conducted.
ALM
Error
indicator
Red
It will light when
communicate wrongly.
2
Local Expansion Front-level
Interface
Connect with coupler module or expansion submodule,
doesn’t support hot plug or discharge.
3
Local Expansion behind-
level Interface
Connect with expansion submodule, doesn’t support
hot plug or discharge.
4
User’s terminal
4 analog inputs/power terminal
3.2.3.2
Performance and Specification
Item
Specification
Power Voltage
24V DC
Input channel
4
Voltage input impedance
>
1MΩ
Voltage input measurement range
Bipolar -5~5V, -10~10V, single pole 0~5V, 0~10V
Current input measurement range
0-20 mA, 4-20 mA
Resolution
16 bits
Sampling time
1ms/channel
Precision (normal temperature 25ºC)
Voltage
±
0.1%, current
±
0.1% (full
measurement range)
Precision (environment temperature 0-55ºC) Voltage
±
0.3%, current
±
0.8%
Internal Power
0.4W
Its Power
0.7W
Isolation
Optocoupler isolation
