5 Planning installation
Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
40
5.10 Connecting a ripple control receiver
An external ripple control receiver can be connected to the digital
inputs.
Pin assignments
Pin Designa-
tion
Short cir-
cuit
Assigned action
1 V1 - -
2 K0 V1 + K0 External power-off (EPO)
3 K1 V1 + K1
Maximum active power lim-
ited to 0%
4 K2 V1 + K2
Maximum active power lim-
ited to 30 %
5 K3 V1 + K3
Maximum active power lim-
ited to 60 %
6 K4 V1 + K4
Maximum active power lim-
ited to 100 %
7 K5 V1 + K5 Reserved
8 K6 V1 + K6 Reserved
Cable requirements
● Shielded twisted-pair cable (CAT5 or CAT6) with solid con-
ductors
● Cable diameter: 5 mm
● Wire cross-section: 1 mm
2
5.11 External power-off
The inverter has a multifunction relay allowing an external shut-
down of the inverter to be triggered.
Pin assignments
Pin Designa-
tion
Short cir-
cuit
Assigned action
1 V1 - -
2 K0 V1 + K0 External power-off (EPO)
3 K1 V1 + K1
Maximum active power lim-
ited to 0%
4 K2 V1 + K2
Maximum active power lim-
ited to 30%
5 K3 V1 + K3
Maximum active power lim-
ited to 60%
6 K4 V1 + K4
Maximum active power lim-
ited to 100%
7 K5 V1 + K5 Reserved
8 K6 V1 + K6 Reserved
After commissioning, the relays for the external power-off (EPO)
can be defined on the display as having normally closed or
normally open contacts, see “8.4.8 EPO (External power-off )”,
page 101.
Cable requirements
● Shielded twisted-pair cable (CAT5 or CAT6) with solid con-
ductors
● Cable diameter: 5 mm
● Wire cross-section: 1 mm
2
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