Burkert 1094 Standard Instructions De Service page 12

Connection of the control unit
(9-pole SUB-D plug)
Inputs
LED "Proportional valve active"
LED "Pump active"
LED "Operating voltage on"
Frequency input (GND)
Frequency output 1 (+)
Voltage output (+ 12 V) *
* The voltage input and voltage output are looped through here.
Figure 5: Electrical connections
10 - 1094
Electronic controller
Type 1094 Standard
LED red = active
not used
not used
not used
not used
Wire fuse 0.4 A M
Outputs
Proportional valve (+)
Proportional valve (-)
Protective contacts PE
Protective contacts PE
Operational voltage (GND)
Operational voltage (+ 24 V)
Output to the pump (+ 24 V)
Output to the pump (-)
not used
Voltage input (+ 12 V) *