Yokogawa PC-Based MX100 - Manual (Page 63)

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SM MX100-01E
2.7.8 Initial Balance Error Test
1. Connect the Cal Box to the measurement channels.
2. Enter the following settings.
Measured CH Any (CH2 recommended)
Measurement interval 200 ms
Filters OFF
Duration 10 s or more
Dip switch setting (for -B12 and -B35) 4-gauge method
ON
1 2 3 4 5
SW1 to SW4: OFF
SW5: ON
3. Perform initial balancing using the indicated initial balance values for each
measuring range.
4. Apply the following input values and confirm that the measured values meet the
criteria.
Test Range Test Points Initial balance Specification
Measured value Setting Output value Setting
2000 µSTR +2000 µSTR No. 2 +10000 µSTR No.12 ±0.5% of Range
0 µSTR No.12
2000 µSTR No. 3 -10000 µSTR No.13
0 µSTR No.13
20000 µSTR +20000 µSTR No. 4 +10000 µSTR No.12 ±0.3% of Range
0 µSTR No.12
20000 µSTR No. 5 -10000 µSTR No.13
0 µSTR No.13
For instructions on setting test points, see “Cal Box Output Settings.”
2.7 Tests of the 4-CH Strain Input Module