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Catalytic Sensor Bridge Current Adjustment - Honeywell 5701 Operating Instructions Manual

Sieger system 57.
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MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 7 - ENGINEER'S OPERATING
INSTRUCTIONS
7.
CATALYTIC SENSOR BRIDGE CURRENT
ADJUSTMENT
The operation associated with the BEAD mA push-button only applies
when a control card has been selected that is configured for a catalytic
input. The pressing of the push-button with other types of control cards
selected has no effect and a warning is displayed to this effect.
To enter the catalytic sensor bridge current operation, proceed as follows:
(1)
Plug the Engineering Key into the Engineering Card front panel
socket and check that the Unlocked LED (
(2)
Push and hold the required control card RESET/SELECT push-
button for approximately 1.5 seconds and check that the selected
control card indicates it has been selected by displaying the select
icon.
(3)
Push the Engineering Card BEAD mA push-button and
check that the selected control card message display
shows mA and the digital display shows the actual bridge
current.
(4)
If the displayed bridge current is not set to the required
value, use the
the indicated bridge current reading until the required
value is displayed.
Note: 1.
Only bridge current values that are within the configured upper
and lower limit values can be set.
2.
Pressing the
without alteration to the stored value.
(5)
Push the
push-button to permanently set the new bridge current.
The selected control card will then automatically return to the normal
selected state.
and
push-buttons to raise or lower
push-button will cancel the displayed current
7 - 11
5701 Control System
) is illuminated.

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