Using Function Select
Display Test Mode
A display test is automatically performed for the first few seconds when
starting the Controller. To see all display segments at any other time, turn the
Function Select rotary knob to Display Test . This function is also used to
review Controller setup.
Reviewing Controller Setup
Review setup following installation of the Series 937A System or any other
time you question System configuration. Reviewing setup shows what sensor
modules are installed, their channels, as well as settings of most DIP
switches and jumpers.
To review your Series 937A Controller setup,
1
Turn the Function Select rotary switch to Display Test .
2
Press the Up push-button repeatedly to display a sequence of review
screens.
3
Press the Down push-button to display previous review screens.
The sequence and content of setup review screens are shown below. Depending
on the configuration of the Controller, some screens may not appear.
Setup Review Screen 1
This screen shows what sensor module is installed in each channel. An
indicator, CC, A1, A2, B1, or B2, appears on the display line of any channel
with a sensor module installed. This screen only indicates that a sensor
module is plugged in, not whether a sensor is connected to the module. If no
module is installed, the channel display remains blank.
Display codes tell what type of sensor module is installed on the channel.
C C
P I R
C O N
T C
C A P
C A P appears when the DIP switches are set to any recognized head
range. Otherwise, no display appears. Be sure to use the correct switch
setting for the head's full scale range. The Controller is unable to detect or
report an error of this type. An incorrect reading will result.
937A Multi-Sensor System
Cold Cathode
Pirani
Convection
Thermocouple
Capacitance Manometer, with valid head setting on
DIP switches
39
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