REXROTH EcoDrive Cs Project Planning Manual page 62

5-14
Electrical Connections
Digital Input Connection
Input circuitry of Digital Inputs
Inputs of Digital Inputs
Connections
10 OUT1
9 IN7
8 0 V ext
(connect to negative pole of external 24 V power supply)
7 0 V ext
(connect to negative pole of external 24 V power supply)
6 IN6
5 IN5
4 IN4
3 IN3
2 IN2
1 IN1
Fig. 5-27: Digital inputs
Note: Default configuration: see Functional Description of firmware.
Note: As the digital inputs are galvanically separated, the reference
conductor of the separate power supply unit has to be
connected to GND.
R1
C1
0 V ext
R1: 1k
R2: 10k
R3: 4k7
C1: no data
Fig. 5-28: Input circuitry (block diagram)
voltage:
High
Low
current:
High
Low
input resistance
Fig. 5-29: Inputs
Rexroth EcoDrive Cs Drives
R1 5V6
R2 C1 R3
X5_1_dig_ein_prinzip.fh7
min.
5 V
-3 V
min.
6 mA
no data
12 kOhm
DOK-ECODR3-DKC**.3-CS*-PR02-EN-P
max.
30 V
11 V
max.
30 mA
30 mA