55
Connections in the CIS3
Diagram (on the left): top view
Terminal assignments in the 10-contact COM2 terminal strip:
RS-232 RS-422 RS-485
No. 1: Not connected Not connected Not connected
No. 2: GND GND GND
No. 3: GND GND GND
No. 4: +5 V switch +5 V switch +5 V switch
No. 5: Data terminal ready (DTR) Data output - (TxD-) Data - (TxD-RxD-)
No. 6: Keyboard clock Keyboard clock Keyboard clock
No. 7: Keyboard data Keyboard data Keyboard data
No. 8: Clear to send (CTS) Data input - RxD-) Not connected
No. 9: Data input (RxD) Data input + (RxD+) Not connected
No. 10: Data output (TxD) Data output + (TxD+) Data + (TxD-RxD+)
Terminal assignments in the 4-contact terminal strip on the left-hand side
(for rechargeable battery)
No. 1: GND_LINE_B
No. 2: LINE_B
No. 3: LOW_BATT
1
)
No. 4: BATT_ON_OFF
2
)
Terminal assignments in the 4-contact terminal strip on the right-hand side
(for UniCOM interface)
RS-232 RS-422 RS-485
No. 1: Clear to send (CTS) Data input - (RxD-) Not connected
No. 2: Data input (RxD) Data input + (RxD+) Not connected
No. 3: Data output (TxD) Data output + (TxD+) Data + (TxD-RxD+)
No. 4: Data terminal ready (DTR) Data output - (TxD-) Data - (TxD-RxD-)
Profibus
No. 1: Not connected
No. 2: Not connected
No. 3: Not connected
No. 4: Not connected
1
) The signal from the battery pack indicates that the battery is completely drained.
2
) Switches off the battery pack when the scale is switched off.
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