Operation principle and hardware description 25
Power connections and control interfaces
The diagram gives an overview of connections. I/O connections are parameterable.
See chapter Application macros on page 101 for I/O connections for the different
macros and chapter Electrical installation on page 45 for installation in general.
RONO
RONC
3
9
DI1
DI2
DI3
DI4
DI5
+24 V
Aux. voltage output
+24 V DC, max. 200 mA
DOSRC
GND
DCOM
DOOUT
DOGND
Digital/frequency output,
PNP transistor type
30 V DC, max. 100 mA
Relay output
250 V AC / 30 V DC / 6 A
V
mA
GND
+10V
Reference voltage
+10 V DC, max. 10 mA
AI2
Analog input 2
GND
AI1
Analog input 1
0…10 V
SCR
Screen
Analog output
0…20 mA
AI1
AI2
EMC
VAR
EMC filter grounding screw
Varistor grounding screw
ROCOM
PROGRAMMABLE RELAY
AND DIGITAL OUTPUTS
Control panel
(RJ-45)
Modbus RTU
(RS-232)
MREL relay
output extension
module
11
17
18
19
20
21
22
AO 7
GND 8
12
13
14
15
16
10
6
5
1
2
SHIELD
B
A
GND_A
23
24
25
26
Modbus RTU
(EIA-485)
PROGRAMMABLE
DIGITAL INPUTS
4
FlashDrop
S1
J701
8
6
6
DI5 can also be used
as a frequency input
Note: For 1-phase power supply, connect power to U1/L and V1/N terminals.
L1 U2
V2
W2
AC motor
M
3 ~
L2
L3
PE
U1
V1
W1
Output
choke
PE
Input
choke
EMC
filter
3-phase
power
supply,
200…480
VAC
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