5.2.8 Output 4
Output 4 is available as standard in all models. It is always a changeover relay and can be used for control, alarms or events.
P14
|
Select P14 to configure Output 4 (OP4). Note: In FM approved controllers 816L, 808L and 804L, Output 4 is assigned to Alarm 2 with inverted action. P14 is, therefore, read only and cannot be changed. In other controllers P14 can be configured as follows: |
|
The code can be checked against the label on the side of the controller. |
|||
nonE |
Output disabled |
|
||||
Heat |
Heat output |
Output 4 controls the heating power demand. The sense is set to normal – the state of the output is shown in the table. This is the usual setting for control outputs. |
|
OP4 State when heating |
||
Relay |
Energised |
|||||
|
||||||
CooL |
Cool output |
Output 4 controls the cooling demand. The sense is set to normal – the state of the output is shown in the table. This is the usual setting for control outputs. |
|
OP4 State when cooling |
||
Relay |
Energised |
|||||
|
||||||
AL1 |
Alarm 1 |
Output 4 will operate as shown in the table if the alarm selected is active. |
|
Alarm active |
||
AL2 |
Alarm 2 (factory default) |
Relay |
Energised |
|||
AL3 |
Alarm 3 |
|
|
|
||
|
||||||
AL1. i |
Alarm 1 inverted. |
Output 4 will operate as shown in the table if the selected alarm is active. This is the normal setting for alarms since if power to the controller fails an alarm state will be indicated by a powered external device. |
|
Alarm active |
||
AL2. i |
Alarm 2 inverted |
Relay |
De-energised |
|||
AL3. i |
Alarm 3 inverted |
|
|
|
||
|
||||||
t.End |
Timer end status |
OP4 can be used to operate an external device to indicate when the timer has timed out. A relay is energised and a logic output is ON when the timer has timed out. |
|
Timer Operation is described in |
||
t.rUn |
Timer run status |
OP4 can be used to operate an external device to indicate when the timer is running. A relay is energised and a logic output is ON when the timer is running. |