Device; Coupling Monitoring; Inputs; 1) Digital 1 - Bender ISOMETER iso1685DP Manual

Settings
9.1

(1.4) Device

Set the ISOMETER® insulation resistance measurement function to active or inactive:
The device is active.
•Active
The device DOES NOT measure the insulation resistance and
•Inactive
is disconnected from the system to be monitored (system
disconnection). The IT system is NOT being monitored!
The message
The 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.
Coupling monitoring is activated.
•on
Coupling monitoring is deactivated.
•off
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
34
appears on the display.
Device inactive
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_02_M_XXEN/07.2017