Publication 1794-6.5.8 - January 2010
120 Calibrating Your Module
Tools and Equipment
In order to calibrate your input module you will need the following
tools and equipment:
Figure 7.1
Calibration Set-Ups
Tool or Equipment Description Model/Type Available From:
Precision Voltage/Current
Source
0–10.25V, 10μV resolution
or better
0–21mA, 100nA or better
HP3245A or equivalent
Precision Voltage/Current
Meter
0–10.5V, 10μV or better
0–22mA, 100nA or better
Datron, Wavetek or
equivalent
Industrial Terminal and
Interconnect Cable
Programming terminal for
A–B family processors
Cat. No. 1770–T3 or Cat.
No. 1784–T45, –T47, –T50,
etc.
Allen–Bradley Company
Highland Heights, OH
ATTENTION
The isolated analog modules are shipped already
calibrated for 150Hz, 300Hz and 600Hz. No
recalibration is required when switching between
these conversion rates.
1794-TB2,
-TB3
0 ±15
34±51
16±33
A
B
C
Precision Voltage Source
Using
a Precision V
oltage Source
These terminals not on 1794-TB2
1794-TB2,
-TB3
0 ±15
34±51
16±33
A
B
C
Precision Current Source
Using
a Precision Current Source
These terminals not on 1794-TB2
Signal Ret
SignalRet