3. Installation
page 13
ELC PE22B-PE35B V1.0-05.19-GB
Subject to technical alterations
Overview pin assignment PE22B
–
PE35B
The connector pin assignment is shown in Fig. 5 and will be explained in the following tables.
X1.1
X1.2
X1.3
X3.1
X3.2 X3.3 X3.4
X5.1
X5.2
X5.3
X5.4
INIT PIN INIT
GND
SAFETY
REL
BUS
VCC
BUS
B
BUS
A
BUS
GND
Service
GND
Service
TxD
Service
RxD
n.c.
SAFETY
PROFIBUS
Digital I/O / Service
SAFETY
CONT1
SAFETY
CONT2
SAFETY
GND
BUS
VCC
BUS
B
BUS
A
BUS
GND
DO / DI
1
DO 2
DO 3
GND
X2.1
X2.2
X2.3
X4.1
X4.2 X4.3 X4.4
X6.1
X6.2
X6.3
X6.4
Fig. 5:
Pin assignment for control of ELC PE22B-PE35B
Pin assignment of initialisation signal
Pin assignment of safety relay
Designation
Number
Description
technical
INIT PIN
X1.1
Input initialisation signal for safety
sh24Vext.
24V DC ± 10% external supply
input resistance 4.7kΩ, max.
current consumption 5.1mA
INIT GND
X1.2
GND
Reference potential for X1.1
Designation
Number
Description
technical
SAFETY REL
X1.3
Control signal input safety relay +24V
DC
Control pulse (+24V DC ± 10% /
35mA) for the safety relay in
reference to X2.3 (GND)
SAFETY CONT1
X2.1
Feedback contact 1 safety relay
NCC 24V / 1A
SAFETY CONT2
X2.2
Feedback contact 2 safety relay
NCC 24V / 1A
SAFETY GND
X2.3
GND
Reference potential for X1.3 (safety
relay)
