Appendix b, Preheat-x bacnet, Points – Orion System PREHEAT-X User Manual
Page 26: Preheat-x technical guide 26, Property identifi er

APPENDIX B
PREHEAT-X Technical Guide
26
PREHEAT-X BACnet
®
Points
BACnet
®
Properties for the PREHEAT-X
PARAMETER
OBJECT
DESCRIPTION
LIMITS
Active
Controlling
Setpoint
AI: 1
The current Active
Controlling Setpoint
Read Only
Number of
Heat Stages
On
AI:2
The current number of heat
stages on
Read Only
Modulating
Output
Position
AI: 3
The current Modulating
Output Position
Read Only
All Alarms
Bitfi eld
AI: 4
The current Alarm Status
in a Bitfi eld
Read Only
See Alarm
Bits, this page.
Entering Air
Temperature
AI: 5
The current Entering Air
Temperature
Read Only
Leaving Air
Temp Sensor 1
AI:6
The current Leaving Air
Sensor 1 Temperature
Read Only
Leaving Air
Temp Sensor 2
AI:7
The current Leaving Air
Sensor 2 Temperature
Read Only
Leaving Air
Average Temp
AI: 8
The current Average
Leaving Air Temperature
Read Only
Reset Input
Percentage
AI:9
The current Setpoint Reset
Input Percentage
Read Only
Enable Input
Value
BI: 1
The current value of the
Enable Binary Input
Read Only
0 = Off
1 = On
Shutdown
Input Value
BI: 2
The current value of the
Emergency Shutdown
Binary Input
Read Only
0 = Off
1 = On
Preheat Enable
Status
BI: 3
The current Enable status
of the controller
Read Only
0 = Off
1 = On
Alarm Relay
Status
BI: 4
The current status of the
Alarm Relay
Read Only
0 = Off
1 = On
Heat 1 Relay
Status
BI: 5
The current status of the
Heat 1 Relay
Read Only
0 = Off
1 = On
Heat 2 Relay
Status
BI: 6
The current status of the
Heat 2 Relay
Read Only
0 = Off
1 = On
Heat 3 Relay
Status
BI: 7
The current status of the
Heat 3 Relay
Read Only
0 = Off
1 = On
Heat 4 Relay
Status
BI: 8
The current status of the
Heat 4 Relay
Read Only
0 = Off
1 = On
Heat 5 Relay
Status
BI: 9
The current status of the
Heat 5 Relay
Read Only
0 = Off
1 = On
Heat 6 Relay
Status
BI: 10
The current status of the
Heat 6 Relay
Read Only
0 = Off
1 = On
BACnet
®
Properties for the PREHEAT-X
PARAMETER
OBJECT
DESCRIPTION
LIMITS
Emergency
Shutdown
Alarm
BI: 11
The current Emergency
Shutdown Alarm status
Read Only
0 = Off
1 = On
Leaving Air
Sensor 1
Alarm
BI: 12
The current Leaving Air
Sensor 1 Alarm status
Read Only
0 = Off
1 = On
Leaving Air
Sensor 2
Alarm
BI: 13
The current Leaving Air
Sensor 2 Alarm status
Read Only
0 = Off
1 = On
Low Leaving
Air Temp
Alarm
BI: 14
The current Low Leaving
Air Temp Alarm status
Read Only
0 = Off
1 = On
High Leaving
Air Temp
Alarm
BI: 15
The current High Leaving
Air Temp Alarm status
Read Only
0 = Off
1 = On
Entering Air
Sensor Alarm
BI: 16
The current Entering Air
Sensor Alarm status
Read Only
0 = Off
1 = On
Remote Enable
AV: 1
Enables the Preheat from
the BACnet front end
Read / Write
Volatile
0 = Disabled
1 = Enabled
Remote
Leaving Air
Setpoint
AV: 2
Controlling Leaving Air
Setpoint from the BACnet
front end
Read/ Write
Volatile
35.0 ºF
90.0
ºF
Remote
Entering
Air Enable
Setpoint
AV: 3
Entering Air Enable
Setpoint from the BACnet
Front end
Read / Write
Volatile
-40.0
ºF
90.0
ºF
PREHEAT-X BACnet
®
Property
Identifi er
BACNETPropertyIdentifi er :
AllAlarmGroup1Bits ::= BIT STRING {
Reserved
(0),
BadLeavingAir1
(1),
BadLeavingAir2
(2),
LowLeavingAir
(3),
HighLeavingAir
(4),
Reserved
(5),
BadEnteringAir (6),
CommAlarm
(7),
ShutDownAlarm
(8)