Watlow Series 945 High/Low Limit Control - Manual (Page 15)

15
WATLOW Series 945 High/Low Limit User's Manual
Calibration Menu
YES to calibrate, No skips to display test.
Input 0.00mV for low thermocouple input.
Input 50.00mV (16.035 for r, S or b units) for high thermocouple input.
Connect a "J" T/C compensator, with inputs shorted. T/C units only.
Connect the JIS RTD low resistance per model number.
Connect the JIS RTD high resistance per model number.
Set the voltage source to 0.000 volts.
Set the voltage source to 5.000 volts.
Set the current source to 4.00mA.
Set the current source to 20.00mA.
Select "rEly."
Restores factory calibration values.
Factory use only.
Select US (rate, reset, proportional band in degrees or units,
°
F) or SI (inte-
gral, derivative, proportional band in % of span,
°
C).
Factory use only.
Before attempting to calibrate,
make sure you have the proper
equipment called for in each procedure.
The Series 945 is calibrated and tested
before leaving the factory.
Calibration
Figure 17 -
Calibration Menu
CAL
tCL
tCH
tC
rLO
rHI
O U
5 U
4 A
20A
4tYP
rst
dISP
dFL
MEM
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