Yokogawa PC-Based MX100 - Manual (Page 37)

2-8
SM MX100-01E
2.4 Tests of the 4-CH, High-Speed Universal Input
Module (MX110-UNV-H04)
Tests
2.4.1 Insulation Resistance Test
2.4.2 Withstanding Voltage Test
2.4.3 Excessive Input Test
2.4.4 Measurement Accuracy Test
2.4.5 Burnout Test
2.4.6 Reference Junction Compensation Accuracy Test
Instruments Used
Instrument Standards, Recommended Products Etc.
MX100, MW100, or equivalent MX100 or MW100 Main Module
MX150 Base Plate
PC * Includes software required for testing
DC voltage generator M/9000 †, ‡
DMM HP3458A or equivalent §
DCV accuracy: 0.005% of rdg + 1µV
Resistance: 0.005% of rdg + 1 mΩ
Rheostat ADR-1202 ||, #
Insulation resistance tester DC500 V
Withstanding voltage tester AC 2 kV–4 kV
Temperature tank standardized at 0°C Coper Electronics ZC-114 or equivalent
0±0.01°C
* Ensure that the environment is one in which module settings and measured values can be
read in.
† Ensure that the DC voltage generator meets the standards below.
However, even if it meets the standards, voltage drops can occur as a result of output
impedance, so the output voltage should always be monitored with a DMM.
Output voltage Standard
0 V ±1 µV (short to obtain)
20 mV ±100 ppm
60 mV ±80 ppm
200 mV ±60 ppm
1 V ±60 ppm
2 V ±60 ppm
6 V ±60 ppm
20 V ±60 ppm
100 V ±60 ppm
‡ When using an M/9000, you can obtain 0 V by shorting, and output other than 0 V can be
onitored using a DMM.
§ The HP3458A is used for signal source monitoring.
|| Ensure that the rheostat meets the following standards.
Output Resistance Standard
0 Ω ± 1 mΩ (short to obtain)
Other than 0 Ω ±(0.006% of Setting + 2 mΩ)
# 0 Ω cannot be output from the ADR-1202, so short to obtain (0.2 Ω min).
Output resistance values other than 0 Ω meet the specification of the ADR-1202, but with
the objective of monitoring the effects of aging, the output resistance must be adjusted.