Pin
Signal
Function
12
GND ISO (X5)
Insulated reference potential for switching inputs (X5)
*
*
S2 switch in GND position: Reference potential also for 24 V (X5)
Additional notes:
•
IN5 and IN6 are designed with redundancy
•
Max. 0.7 A total output for all 24 V supply voltage connections
•
Min. high input logic level: 12 V
•
Max. low input logic level: 4 V
•
Input frequency: 30 kHz
S2 switch
•
GND ISO: volt-free connection
•
GND: GND of the connected device connected to GND of the SIM
6.4.7
X6 – SERIAL A
Not isolated
Pin
Signal
Mode
RS-422
RS-232
LED
RS-485
LED
1
R1+/RxD1
R1+
RxD1
Rx1
–
–
2
R1-/RxD2
R1-
–
–
–
3
GND
GND (ground)
–
GND
(ground)
–
4
R2+/RxD3
R2+
RxD3
Rx2
–
–
5
R2-/RxD4
R2-
–
–
–
6
T1+/TxD1
T1+
TxD1
Tx1
Rx1+/Tx1+
Receive: Rx1
Transmit:
Tx1
7
T1-/TxD2
T1-
–
Rx1-/Tx1-
8
GND
GND (ground)
–
GND
(ground)
–
9
T2+/TxD3
T2+
TxD3
Tx2
Rx2+/Tx2+
Receive: Rx2
Transmit:
Tx2
10
T2-/TxD4
T2-
–
Rx2-/Tx2-
NOTE
RxD2, RxD4 as well as TxD2 and TxD4 are not supported by the device.
6.4.8
X7 – SERIAL B
Isolated
Pin
Signal
Mode
RS-422
RS-232
LED
RS-485
LED
1
R3+/RxD5
R3+
RxD5
Rx3
–
–
2
R3-/RxD6
R3-
–
–
–
3
GND ISO
Insulated reference poten‐
tial
–
GND
(ground)
–
4
R4+/RxD7
R4+
RxD7
Rx4
–
–
5
R4-/RxD8
R4-
–
–
–
6
ELECTRICAL INSTALLATION
24
O P E R A T I N G I N S T R U C T I O N S | SIM2000ST
8020764/1FTA/2022-05-02 | SICK
Subject to change without notice
