2.6. Options 1 and 2
Option 1 may be configured as input or output.
Outputs can be logic (SSR drive), or relay, or mAdc.
Input is contact closure.
2.6.1.
Relay Output (Form A, normally open)
ELK model
OP1
OP2
9
7
10
8
•
Isolated output 240Vac CATII
•
Contact rating: 2A 264Vac resistive
100mA 12Vdc minimum
•
Output functions: Heating, or cooling, or alarm , or
motorised valve open or closed
Part number HA028438. Issue 3.0.
ETK model
OP1
OP2
13
15
14
16
Oct-05
2.6.2.
Logic (SSR drive) Output
ELK model
OP2
OP1
+
+
9
7
10
8
-
-
•
Not isolated from the sensor input
•
Output ON state: 12Vdc at 44mA max
•
Output OFF state: <300mV, <100µA
•
Output functions: Heating, or cooling, or alarm, or
motorised valve open or closed
•
The output switching rate must be set to prevent
damage to the output device in use. See
parameter 1.PLS or 2.PLS in the level 2
parameter section 4.2.1
ETK model
OP2
OP1
+
+
13
15
14
16
-
-
15