Sensor Signal Monitoring; View Clock/Calendar - Honeywell 5701 Operating Instructions Manual

MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 6 - OPERATING INSTRUCTIONS
4.6

Sensor Signal Monitoring

The operation of the SIGNAL push-button allows the monitoring of the
selected channels sensor signal value. The displayed parameter is
dependent upon the type of sensor drive module fitted to the selected
channel card.
To enter the sensor signal monitoring operation, proceed as follows:
(1) Push and hold the required channel card RESET/SELECT push-
button for approximately 1.5 seconds until the selected icon appears
on the channel display.
(2) Push the SIGNAL push-button and the selected
channel card display will indicate the sensor signal.
The displayed value will depend on the type of sensor
drive module fitted to the channel card as follows:
a. Catalytic Sensor Drive Module
The display will show the live bridge voltage
measured between 01 and 02 in mV. 02 is the
centre point of the second half of the Wheatstone
bridge which is on the channel card.
b. 4 - 20mA Sensor Drive Module
The display will show the live sensor loop current
in mA.
(3) Push the ( ) or ( ) push buttons or wait 30 seconds to exit the
SIGNAL mode.
4.7

View Clock/Calendar

The operation of the CLOCK push-button will cause the present time
and date to be displayed on a selected channel card.
Note: This operation requires a control card to be selected but the
operation has no effect on the selected control card, which is
used as a display device only.
To enter the clock/calendar operation, proceed as follows:
(1) Push and hold the required channel card RESET/SELECT push-
button for approximately 1.5 seconds until the selected icon appears
on the channel display.
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5701 Control System