EUCHNER Electronic-Key Adapter with serial Interface - Manual (Page 9)

Manual EKS Electronic-Key Adapter serial
088796-02-03/05 Subject to technical modifications Page 9/24
4.3 Pin assignment
4.3.1 Serial interface socket
Pin assignment
PIN
RS232 RS422
Function
1 - RxD - Data wire B1 receive data (signal B1 receive data)
2 TxD - Transmit data
3 RxD - Receive data
4 - - -
5 GND - Signal ground
6 - TxD - Data wire B transmit data (signal B transmit data)
7 - TxD + Data wire A transmit data (signal A transmit data)
8 OUT -
Active if there is a functional Electronic-Key in the Electronic-
Key adapter, level RS232 (Electronic-Key active). Used as
CTS signal
9 - RxD + Data wire A1 receive data (signal A1 receive data)
1
9
5
6
SUB-D socket
9-pin
Housing
Function
earth
Function
earth
Electrically connected to the housing
4.3.2 Power supply and Out signal 24 V screw terminals
The coded plug for the connection of the power supply is included with the Electronic-Key adapter.
PIN Designation Function
1 UB Power supply DC + 24 V
2 0V Power supply DC 0 V
1 2 3
Coded plug, 3-pin
with screw terminals
Max. conductor cross-section 1.5 mm²
Tightening torque 0.22 Nm 3 OUT
Active if there is a functional Electronic-Key in
the Electronic-Key adapter,
level DC +24 V (Electronic-Key active)