Bender ISOMETER isoPV with AGH-PV, Manual

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Function
18 isoPV_D00024_02_M_XXEN/07.2018
During operation, the self test function can be started by pressing the test button (in-
ternal or external). The self test can also be started automatically every hour or every 24
hours by selecting the "ISO ADVANCED: Autotest:" menu.
The alarm relays 1/2 only switch after starting the self test function by pressing the test
button, that means the relays do not switch when an automatic self test has been star-
ted.
3.4.3 Current output for external measuring instrument
The isoPV utilises a current output electrically isolated from the device electronics and
the RS-485 interface.
An output current range of 0…20 mA or 4…20 mA can be selected by means of the
ISO SETUP menu, refer to Page 40. In addition, the centre scale mark can be set to 28kΩ
or 120kΩ, related to an external measuring instrument.
Alarm message Description Actions
Connection PE?
No low-resistance con-
nection between the
terminals and KE
and the earth (PE).
1. Check the wiring of the terminals
and KE and the earth (PE)
2. Press the "TEST" button
3. Switch the supply voltage off and on
Device error x Internal device error
1. Press the "TEST" button
2. Switch the supply voltage off and on
3. Please contact Bender
If, for functional reasons, the supply voltage cannot be switched on and
off, a reset of the sequence control system can be carried out by pressing
the buttons "RESET", "MENU" and "TEST" sequentially.