Input Calibration 
290  UDC3500 Universal Digital Controller Product Manual  3/07 
 
5.4.8  Dual High Level Milliamperes Inputs 
Refer to Figure 5-9 and wire the controller according to the procedure given in Table 
5-11.  
Table 5-11  Set Up Wiring Procedure for Dual High Level Milliampere Inputs 
Step  Action 
1 
Connect the copper leads from the calibrator to the input to be calibrated as shown in 
Figure 5-9. 
2 
Place current source at zero before switching on. 
3 
Following calibration, turn off the current source prior to disconnecting it from the 
instrument. 
 
30-
29+
31+
 
32+
33-
34R
35+
36-
28+
Input 1 
Input 2 
Input 3 
250 ohms
Milliampere
 
Source
 
 
+
 
250 ohms
250 ohms
250 ohms
250 ohms
Input 5 
Input 4 
Terminals for Input 1 are 35 (+) and 36 (-)
Terminals for Input 2 are 32 (+) and 33 (-) 
Terminals for Input 3 are 29 (+) and 30 (-) 
Terminals for Input 4 are 31 (+) and 33 (-) 
Terminals for Input 5 are 28 (+) and 30 (-)
 
 
Figure 5-9  Wiring Connections for Dual High Level Milliampere Inputs