70 FTx/ITx-SH-e-0720
Optional interface: RS232C and Digital I/O
Pin COM1 (RS232) COM2 (Digital I/O)
1
1)
GND
2 TxD 1 (transmit data) OUT 0
6)
3 RxD 1 (receive data) OUT 1
6)
4
3)
OUT 2
6)
5 GND (Signal ground) OUT 3
6)
6
3)
IN 0
5)
7
3)
IN 1
5)
8
3)
IN 2
5)
9 VCC (power supply +5V)
2) 4)
IN 3
5)
1)
unassigned
2)
The VCC load on one interface must not exceed 100 mA
3)
must not be connected
4)
can be deactivated in the scale menu
5)
External 5 ... 30 VDC for control inputs
6)
External 5 ... 30 VDC / max. 100 mA for control outputs
Optional interface: RS232C and analog second scale
Pin COM1 (RS232) Analog second scale
1 VCC (power supply +5V)
2) 4)
+Excitation (+8.2 VDC)
2 TxD 1 (transmit data) +Sense
3 RxD 1 (receive data) shield
4
3)
–Sense
5 GND (Signal ground) –Excitation
6
3) 1)
7
3)
+Signal
8
3)
–Signal
9
3) 1)
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