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VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
GFK-1504K
14
IC200ALG620
Analog Input, 16 Bit RTD, 4 Channels
Module Features
Channel Active
Each channel can be configured as either active or inactive.
If a channel is inactive, it is not scanned and a value of 0 is returned by the module.
Input Units
Inputs can be measured as tenths of Ohms, tenths of degrees C, or tenths of degrees F. The
default is tenths of degrees C. The measurable ranges for each type of input units are
shown below.
Units Selected
Integer Ranges
Engineering Units Ranges
Tenths of Degrees
–32767 to +32767
–3276.7° to +3276.7°
Tenths of Ohms
0 to 65535
0 Ohms to 6553.5 Ohms
Low Alarm Limit and High Alarm Limit
Each input channel can have a low alarm limit and a high alarm limit. If an input reaches
one of its limits, the module reports the actual value and reports an alarm fault in the I/O
Fault Table. Alarms do not stop the process or change the value of the input.
Alarm limits can be set anywhere over the dynamic range of the signal. The range for each
is –32,768 to +32,767. The high alarm limit must be greater than the low alarm limit. If
alarm reporting is not wanted, alarm limits can be set beyond the dynamic range of the
signal so they will never be activated.
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