ABB PQFS Installation, Operation And Maintenance Instructions page 57

Switch controlled
by external process
+
24 Vdc
external
power
(b)
supply
-
Remarks:
(a)
Left hand terminal block when looking from rear, counting from top to bottom
(b)
Acceptable power supply range: 15Vdc-24 Vdc, driving current 13mA@24Vdc
Figure 50: Implementation of remote control functionality on Digital Input 1 of the PQF-Manager
WARNING: If a function is assigned to a digital input, the same function must
never be assigned to the other digital input. Otherwise the filter may behave
erratically.
Once the cabling has been finished,
· The auxiliary fuse box may be closed
· The filter top cover may be replaced including the connection of the PQF-
Manager to the master unit
· The power to the filter may then be restored
Then, the PQF-Manager has to be used to associate the remote control functionality with
Digital Input 1. This is done by going to the digital input setup menu and selecting
'Remote ON' for digital input 1. When this is done the filter will switch on when the switch
S shown in Figure 50 is closed and the filter will switch off when the switch S is opened.
Refer to Section 7.7.1.2
In a multi-master arrangement, the master that has the control over the system (i.e. the
master which is operational and which has the lowest address) will monitor the digital
inputs. Therefore, in order to obtain full redundancy with filters consisting of more than
one master unit, the digital inputs of all the units in a multi-master arrangement have to
be set up and cabled in the same way.
Remarks:
· When the remote control functionality has been activated this function has priority
over a local start/stop command. When the local command has to be given,
deactivate first the remote control functionality by navigating with the PQF-
Manager to the digital input setup menu and setting the digital input considered to
'Disabled'.
· The remote control functionality can also be implemented on the Digital
S
+
-
for guidelines on how to navigate to the digital input setup menu.
Manual Power Quality Filter PQFS ç Electrical design and installation 57
PQF-Manager
(a)
7
Digital input 1
(15-24Vdc)
(a)
8
Input 2