Appendix b - network alarm reporting – Honeywell COMMERCIAL PROGRAMMABLE T7350 User Manual

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T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT

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APPENDIX B - NETWORK ALARM REPORTING

Table 13. T7350H Alarm Change of State Event.

A T7350H alarm change of state event is reported by the manufacturer defined output network variable nvoAlarmH.

nvoAlarmH Field

Description

subnet

The L

ON

W

ORKS®

subnet number in the domain entry to which nvoAlarmH is bound. If nvoAlarmH is not

bound, it reports domain index 0.

0: Invalid subnet (power up value)

1-255: Subnet number

node

The L

ON

W

ORKS®

node number in the domain entry to which nvoAlarmH is bound. If nvoAlarmH is not

bound, it reports domain index 0.

0: Invalid entry (power up value)

1-127: Node number

type

The alarm type being issued.

0: AT_NO_ALARM (power up value)

1: AT_INVALID_SUBBASE_TYPE

2: AT_NETWORK_COMM_FAIL

3: AT_SENSOR_FAIL

4: AT_INVALID_IO_CONFIG

5: AT_COVER_COMM_FAIL

6: AT_COVER_SUBBASE_MISMATCH

Return to Normal Codes

-127: AT_rtnINVALID_SUBBASE_TYPE

-126: AT_rtnNETWORK_COMM_FAIL

-125: AT_rtnSENSOR_FAIL

-124: AT_rtnINVALID_IO_CONFIG

-123: AT_rtnCOVER_COMM_FAIL

-122: AT_rtnCOVER_SUBBASE_MISMATCH

-1: AT_ALARM_NOTIFY_DISABLED

Table 14. T7350 Current Alarm Status.

The T7350

current alarm status is reported by the manufacturer defined output network variable nvoAlarmStatus.

nvoAlarmStatus

Field

Description

coverCommFail

Communications between the cover and sub-base.

0: No alarm (power up value).

1: The communications between the thermostat cover assembly and the sub-base has failed in one or

both directions. The data from the cover to the sub-base has not been received for at least 90

seconds, or data from the sub-base is not updating the cover assembly.

invalidIOConfig

Output configuration error.

0: No alarm (power up value).

1: The number of outputs configured exceeds the capability of the sub-base to support them.

Considers sub-base type, heat pump/conventional application, maxCoolStgs, maxHeatStgs.

sensorFail

Sensor failure.

0: No alarm (power up value).

1: One of the analog sensors on the cover assembly has failed or is out of range (high or low).

networkCommFail

Network Communications Failure.

0: No alarm (power up value).

1: One of the bound network input network variables is not being updated periodically. This alarm may

be caused by a failed node or a damaged L

ON

W

ORKS

NETWORK

cable.

invidSubBaseTyp

Sub-base type error.

0: No alarm (power up value).

1: The detected sub-base type is not supported by the firmware version of the cover assembly.

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