Teledyne powerpod 400 Manual Do Utilizador

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164-122012 Power
P
OD
 400
 
Page 36 of 42
 
 
Setting the Zero & Span 
on the 
Power
Pod
-400 Power Supply/Totalizer 
 
 
All procedures outlined in this document must be performed with the power supply turned on and 
warmed up for at least one hour. 
 
All procedures outlined in this document must be performed with NO transducers connected to the 
channel being adjusted
*
 
You CANNOT successfully zero a channel without, first, supplying zero volts or four milliamps to 
the meter input for that channel. 
 
You CANNOT successfully span a channel without, first, supplying the meter input for that channel 
with its appropriate span voltage or span current. 
 
14.1 Zeroing Unit (Voltage Range). 
The following instructions explain how to short a given channel’s input signal to ground (0 volts DC) 
and set the display to read zero at this voltage. 
 
Locate the 15-pin, ‘D’ type connector that corresponds to the channel to be zeroed. 
J1 = Channel 1 
J2 = Channel 2 
J3 = Channel 3 
J4 = Channel 4 
 
Short pin 5 (signal common) to pin 6 (signal in). 
 
Press MODE 
Press 3 
Press ENTER 
Press 1, 2, 3 or 4, depending on which channel is to be zeroed. 
Press ENTER 
Press 7 
Press ENTER 
Press 1 
Press ENTER 
Press ENTER again 
 
You have just told a channel to display zero when the input signal is zero volts
!
 
14.0 Appendix D