Bosch Rexroth EFC 3600, Operating Instructions Manual, Page: 40 / 238

5.13 Control Circuit Terminals Description
Type Terminal Signal function Description Signal requirement
Digital inputs
X1 ~ X5
Multiple speed
commands Activated with
“closed”
24 VDC 8 mA inputs via
opto-electric couplers
SC
Shared connection
for digital signals
Isolated from GND
Analog inputs
+10 V
Supply voltage for ex‐
ternal frequency set‐
point value specified
Power supply for
speed commands
+10 V
(Max. current 30 mA)
Vr1
Analog frequency
commands
Analog voltage input
Input voltage range:
0 ~ 10 V
Input resistance: 40 kΩ
Resolution: 1/1000
+I Analog current input
Input current range:
4 ~ 20 mA
Input resistance: 499 Ω
Resolution: 1/800
GND
Shared connection
for analog signals
Isolated from SC –
Earth Shielding terminal – –
Digital outputs
OUT1-
CME
Open collector
output 1
Programmable digi‐
tal output with multi‐
ple functions, see
parameter [E1.00]
Open collector outputs:
DC 30 V, 50 mA
Ta
Relay changeover
contacts
Programmable relay
output, see parame‐
ter [E1.02]
Rated capacity of
contact transmitter:
250 VAC 3 A
30 VDC 3 A
Tc
Tb Relay shared contact
Analog outputs
Fm1-
GND
Analog multi-function
output 1
Programmable ana‐
log output with multi‐
ple functions, see
parameter [E1.30]
Output voltage:
0 ~ 10 V
Max. output current:
5 mA
Fig.5-4: Control circuit terminals description
Bosch Rexroth AG
Mounting and Installation
DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
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