Technical data 97/104
RE 92076-01-B/10.2017, A4... with HS5E pilot control valve/Series 3x,
Bosch Rexroth AG
33
90
Fig. 31: Pin assignment of the central connector
Table 29: Signals to the central connector
Pin
Signal
Description
Signal
direction
Signal level
Code
1
+ UB
Voltage supply
IN
+24 V
1
2
L0
Reference potential for voltage
supply
-
-
2
Ground
Ground connection for the
electronics
-
-
Yellow/
green
3
DO
Switching output 24 V, max. 1.5 A
Factory setting: Error signal
OUT
Logical 24 V
(Load I
max
≤ 50 mA)
White
4
M0
Reference potential for analog
signals
-
-
Yellow
5
AI 2
Analog input 2 (or digital input,
to be configured by means of
software) Factory setting:
Software command value
standardized
IN
/-10 V or
0-20 mA
(digital 24V)
Green
6
AO 2
Analog output 2 Factory setting:
Software actual value standardized
OUT
+/- 10V or
0-20 mA
(Load I
max
≤ 1 mA)
Violet
7
AI 1
Analog input 1 (or digital input,
to be configured by means of
software) Factory setting:
Pressure command value
standardized
IN
+/- 10 V or
0-20 mA or
24 V digital
Pink
8
AO 1
Analog output 1 Factory setting:
Actual pressure value standardized
OUT
+/- 10V or 0-20 mA
(load I
max
≤ 1 mA)
Red
9
DI
Digital input (use can be freely
configured) Factory setting: Error
reset
IN
Logical 24 V
Brown
10
Actual
pressure
value
High
Actual pressure value input: Signal
level dependent on parameter
setting. Factory setting depending
on option 14 in the ordering code:
0-10 V (V) or disabled (F)
IN
0-10 V,
0-20 mA
(freely
configurable)
Black
11
Actual
pressure
value
Low
Reference potential for actual
pressure value signal (p
actual
High)
-
-
Blue
n.c.
Gray
Connect M0 and L0 in the control cabinet to prevent potential shifts.
