Yokogawa Touch Screen GP20 - Manual (Page 362)

5-8
IM 04L51B01-01EN
Module
Electromagnetic relay scanner type modules make measurements by switching mechanical
contact relays on and off.
To ensure that the modules continue to operate reliably and correctly, replace them
periodically as shown below.
Module Model Measurement
condition
Replacement
period
Note
Analog input module
(
Electromagnetic relay
scanner type)
GX90XA-10-T1N-3N Continuous use at
measurement interval
1 s
1 year
Continuous use at
measurement interval
2 s
2 years
Continuous use at
measurement interval
5 s
5 years
5.1 Maintenance