PT-Link Interface
PT-Link-LON
®
Technical Guide
33
Appendix E - SA Controller LON Parameters
SNVTs for the SA Controller
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter
Name
Object
Description
Expansion
Relay 8
ExRly8
Binary
Output
Current status of relay 13.
Expansion
Relay 9
ExRly9
Binary
Output
Current status of relay 14.
Expansion
Relay 10
ExRly10
Binary
Output
Current status of relay 15.
Expansion
Relay 11
ExRly11
Binary
Output
Current status of relay 16.
Expansion
Relay 12
ExRly12
Binary
Output
Current status of relay 17.
Expansion
Relay 13
ExRly13
Binary
Output
Current status of relay 18.
Expansion
Relay 14
ExRly14
Binary
Output
Current status of relay 19.
Expansion
Relay 15
ExRly15
Binary
Output
Current status of relay 20.
Expansion
Relay 16
ExRly16
Binary
Output
Current status of relay 21.
Emergency
Shutdown
Alarm
EmerAlm
Binary
Output
Alarm that indicates
Emergency Shutdown.
Drain Pan
Overfl ow
DrnAlm
Binary
Output
Alarm that indicates overfl ow of
the drain pan.
Proof of
Water Flow
Alarm
PoWFAlm
Binary
Output
Alarm that indicates no
Proof of Water Flow.
Entering Air
Temperature
Alarm
EaTpAlm
Binary
Output
Alarm that indicates
failure in the Entering Air
Temperature Sensor.
SNVTs for the SA Controller
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter
Name
Object
Description
Dirty Filter
Detected
DrtFlAlm
Binary
Output
Alarm that indicates
the fi lters are dirty.
Control
Temperature
Cool Failure
CtrlTpCF
Binary
Output
This alarm is activated if the
control temperature does not
get within 5°F to the occupied
cooling setpoint in an hour in the
cooling mode. This alarm is not
used in 100% outside air units or
supply air control.
Control
Temperature
Heat Failure
CtrlTpHF
Binary
Output
This alarm is activated if the
control temperature does not
get within 5°F to the occupied
heating setpoint in an hour in the
heating mode. This alarm is not
used in 100% outside air units or
supply air control.
Space
Temperature
Sensor Lost
SpcTpAlm
Binary
Output
Alarm that indicates a failure in
the space temperature sensor.
On Board
Relay 1
OnRly1
Binary
Output
Current status of relay 1.
On Board
Relay 2
OnRly2
Binary
Output
Current status of relay 2.
On Board
Relay 3
OnRly3
Binary
Output
Current status of relay 3.
On Board
Relay 4
OnRly4
Binary
Output
Current status of relay 4.
On Board
Relay 5
OnRly5
Binary
Output
Current status of relay 5.
Expansion
Relay 1
ExRly1
Binary
Output
Current status of relay 6.
Expansion
Relay 2
ExRly2
Binary
Output
Current status of relay 7.
Expansion
Relay 3
ExRly3
Binary
Output
Current status of relay 8.
Expansion
Relay 4
ExRly4
Binary
Output
Current status of relay 9.
Expansion
Relay 5
ExRly5
Binary
Output
Current status of relay 10.
Expansion
Relay 6
ExRly6
Binary
Output
Current status of relay 11.
Expansion
Relay 7
ExRly7
Binary
Output
Current status of relay 12.
SA Controller PT-Link-LON
®
Property Identifi er:
The PT-Link-LON
®
Link amends the following property identity to the
BACnet
®
property identifi er.
LONPropertyIdentifi er :
VcmxControlStatusBits
::= ENUMERATED {
Off
(0),
Vent
(1),
Cool
(2),
Heat
(3),
Dehum
(4),
Dehum
Cool
(5),
Dehum
Heat
(6),
Warm
Up
Mode
(7)
}