Bender ISOMETER iso1685D Series Manual page 30

Settings
9.1 (1.4) Device
Set the ISOMETER® insulation resistance measurement function to active or inactive:
•Active
The device is active.
•Inactive The device DOES NOT measure the insulation resistance and
is disconnected from the system to be monitored (system
disconnection). The IT system is NOT being monitored!
The message
ALARM1 and ALARM2 LEDs are lit.
9.1 (1.5) Coupling monitoring
The coupling is monitored at 24-hour intervals. This monitoring function can be activated
or deactivated.
•on
Coupling monitoring is activated.
•off Coupling monitoring is deactivated.
9.1 (1.6) Inputs
The ISOMETER® provides 2 digital inputs (I1, I2) that are freely configurable.
9.1 (1.6.1) Digital 1
The following parameters can be set for the digital input:
9.1 (1.6.1.1) Mode
The operating mode for the digital input can be set to the following values:
•Active high
30
Device inactive
appears on the display. The
An event is carried out on the rising edge of the
digital input (low to high).
Response time t(on)/t(off ) after a switch-on sig-
nal.
+
I1/I2
+
24 V
-
- I1/I2
Settings
1
0
< t(on)
t(on)
•Active low
1
0
< t(on) t(on)
9.1 (1.6.1.2) t(on)
The response time t(on) after a switch-on signal can be set between 100 milliseconds and
300 seconds.
9.1 (1.6.1.3) t(off)
The response time t(off) after a switch-off signal can be set between 100 milliseconds and
300 seconds.
Reaction Reaction
Impulse on
Impulse off
t
An event is carried out on the falling edge of the
digital input (high to low).
Response time t(on)/t(off ) after a switch-off sig-
nal.
+ I1/I2
+
24 V
-
- I1/I2
Reaction Reaction
Impulse off Impulse on
t
iso1685DP_D00272_03_M_XXEN/08.2017