How to Use the External Zero on the Type 629 Unit
Chapter Four: Operation
38
10K
1 F
Signal Output
Signal Common
+ 15V
- 15V
Power Common
Chassis
Ground
629 Transducer
1
7
8
9
External Zero
4
5
1
2
3
MUX
Data
Acquisition
System
Signal Output
Signal Common
+ 15V
- 15V
Power Common
External Zero
(top view)
10K
1 F
Chassis
Ground
629 Transducer
1
7
8
9
4
5
(top view)
Signal Output
Signal Common
+ 15V
- 15V
Power Common
External Zero
10K
1 F
Chassis
Ground
629 Transducer
1
7
8
9
4
5
(top view)
D/A Ground
Vcm = + 1 V
max
±
+ 15V
P/S Ground
- 15V
Power
Supply
+ 15V
+ 15V
+ 15V
Figure 9: Type 629 Transducers Connected to Reject Common Mode Voltages