MKS 670B - Figure 19: Two Resistors Added to the Transducer Cable; Table 37: Transducer Cable Voltage Check

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8. Use the DVM to check the voltages at the transducer end of the cable.
Refer to Table 37 for the appropriate voltage values. Reference the DVM to pin H (2).
Transducer Cable Voltage Check
Transducer Cable
Pin Number
Voltage Function
I or (13) +12 to +13 Transducer electronics supply voltage
D or (14) +12 to +13 System Check command
J or (15) 6 Volts RMS Excitation voltage
Note that some transducer cables use numbers while others use letters.
Table 37: Transducer Cable Voltage Check
9. Connect two resistors to the transducer cable, as shown in Figure 19.
Pin J (15)
Pin A (7)
Pin B (6)
Pin H (2)
3
K
1
K
Figure 19: Two Resistors Added to the Transducer Cable
10. Press the [
CAL
] key to enter the calibration menu.
The system responds by displaying the calibration screen.
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