BusWorks® 961/962EN User’s Manual Modbus TCP/IP Differential I/V Input
___________________________________________________________________
_______________________________________________________________________________________
Acromag, Inc. Tel:248-624-1541 Fax:248-624-9234 Email:
sales@acromag.com
http://www.acromag.com
15
The Calibration Page will allow you to recalibrate each channel’s zero and
span signal as required. Simply select the channel to be calibrated, choose
zero or span, apply the zero or full-scale signal to the input, then click
calibrate. For best results, always calibrate zero before span.
You can choose to use the web browser calibration page above to
accomplish calibration (Method 1, easiest), or via direct register access as
described in Method 2 of the following page.
Your success in recalibrating the input will strongly depend upon the
accuracy and precision of your signal source.
If recalibration of any input is required, all applicable ranges should be done.
The following table gives the calibration values for the input ranges of these
models. These are the input signals required to calibrate the range
endpoints. Note that on the 961EN-4006, the 4-20mA range is a sub-range
of the 0-20mA range and is automatically calibrated at the same time.
Calibration Page
IMPORTANT:
This module
has already been calibrated at
the factory and recalibration is
not normally required, except
as necessary to correct for
long term component aging, or
to satisfy your company’s
maintenance requirements.
Do not attempt to recalibrate
this module unless absolutely
required, as miscalibration will
negatively affect the module’s
performance.
