Output Calibration
3/07 UDC3500 Universal Digital Controller Product Manual 305
6.6 Restore Factory Output Calibration
Introduction
The factory calibration constants for the Current Outputs are stored in its non-volatile
memory. Thus, you can quickly restore the “Factory Calibration” for those outputs by
simply changing the CO RANGE setting for that output to the other setting and then
changing it back to the original type.
Refer to Table 6-8 Restore Factory Calibration for procedure
ATTENTION
A restored factory calibration overwrites any previous field calibration done for the output.
Protect your field calibration from accidental overwrites by configuring the appropriate
LOCKOUT selection after calibration.
See Section
3 – Configuration for s
pecific instructions to set the lockout.
Table 6-8 Restore Factory Calibration
Step Operation Press Result
1
Set LOCKOUT to
NONE
Setup
until you see:
Upper Display = SET UP
Lower Display = TUNING
Func
Loop 1/2
Until you see:
Upper Display = one of the following:
NONE – all parameters are read/write
CALIB – all parameters are read/write except Calibration
+CONF – configuration parameters are Read Only; no
writes permitted
+VIEW – Tuning and Setpoint Ramp parameters are
read/write. No other parameters can be viewed.
ALL – Tuning and Setpoint Ramp parameters are available
for read only. No other parameters can be viewed.
Lower Display = LOCKOUT
or
Until NONE is in the upper display
2
Enter OUTPUT
or OPTIONS
Setup Group
Setup
until you see:
Upper Display = SET UP
Lower Display = OUTPUT (for First Current Output)
1. or –
Lower Display = OPTIONS (for Second or Third Current
Outputs)
Func
Loop 1/2
until you see:
Upper Display = the current selection
Lower Display = CO RANGE
or
to change the range configuration to the other selection
3
Scroll through
Functions
Func
Loop 1/2
until the lower display rolls through the rest of the functions and
returns to:
Upper Display = the new selection
Lower Display = CO RANGE
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