4) Function; 2) Digital 2; Outputs; 1) Relay 1 - Bender ISOMETER iso1685DP Manual

Settings
9.1

(1.6.1.4) Function

The parameters for the function of the digital inputs of the ISOMETER® can be set
differently:
•off
•TEST
•RESET
•Deactivate device
•Insulation fault
location
9.1

(1.6.2) Digital 2

Refer to "9.1 (1.6.1) Digital 1".
9.1

(1.7) Outputs

The ISOMETER® provides a total of 3 alarm relays.
The following parameters can be set for relay 1 and relay 2:
9.1

(1.7.1) Relay 1

The following parameters can be set for the relay:
9.1

(1.7.1.1) TEST

The functional test of the relay can be activated or deactivated. This only applies to the
manual test and not to the cyclic device self test:
The manual test checks the switching function of the relay
•on
The manual test does not check the switching function of
•off
the relay
35
Digital input without function
Device self test
Reset of fault and alarm messages
The device DOES NOT measure the insulation
resistance, the message
Device inactive
appears on the display.
The IT system is NOT being monitored!
The device uncouples itself from the system to
be monitored through an internal system isolat-
ing switch.
The insulation fault location is started. For this
purpose, the digital input must be active.
Settings
9.1

(1.7.1.2) Operating mode

The relay mode can be adapted to the application:
Normally closed - N/C operation contacts11-12-14/
•N/C
21-22-24 (The alarm relay is energised during normal opera-
tion).
Normally open - N/O operation contacts 11-12-14/
•N/O
21-22-24 (The alarm relay is de-energised during normal opera-
tion).
9.1

(1.7.2) Relay 2

Refer to "9.1 (1.7.1) Relay 1".
Relay 3:
Relay 3 does not appear in the device menu. The operating mode is set to
N/C operation and the parameters cannot be adjusted.
9.1

(1.7.3) Buzzer

The following parameters can be set for the buzzer:
9.1

(1.7.3.1) TEST

The functional test of the buzzer can be activated or deactivated. This only applies to
the manual test and not to the cyclic device self test:
The manual test activates the buzzer sound.
•on
The manual test does not activate the buzzer sound.
•off
iso1685DP_D00272_02_M_XXEN/07.2017