Supplement operating manual for DREHMO i-Matic actuators with integrated
MODBUS fieldbus interface
Wenden, 21.03.12
Page 12 of 18
Prepared by: Ste
2.5 Electrical connection
2.5.1 Actuators i-Matic for normal operation – DiM-X0X
2.5.1.1
Compact plug assembly
The electrical connection is done on the wiring board DiM-19 which is assembled on a
mounting plate in the compact plug housing. As an example for explanation, the cable
assembly for i-Matic with redundant field bus and optional two analogue and four digital
process inputs as inner parts of the compact plug is given below.
(1)
Optional: external 24 VDC supply of i-Matic unit (input) with tol10%, -5%
and less than 500mA load.
Optional: auxiliary 24 VDC supply (output) for external use allows 60mA load.
Mounting plate for power connector
and wiring board (backside view)
Power connector wire size 0.5 to 2.5
mm². Standard: cage clamp
Optional: screwing terminals
Various screwing terminals
depending on ordered options:
terminal size: AWG 16..26
solid wire: 0.14 to 1.5 mm²
flexible wire: 0.14 to 1 mm²
Two optional analogue inputs
Four optional digital inputs
Channel 2 incoming and outgoing
RTS signals
Optional 24V external power
(1)
Channel 1 incoming and outgoing
Strain relieves incoming, outgoing bus and
optional process inputs are independently
switchable to ground (switches on the front
side)
