Longo programmable controller LPC-2.CA2M
Table 2: K1
K1.1
GND
Ground
K1.2
10 .. 24 V DC
Power supply input
K1.3
RS-485 A
Data receive/send line A
K1.4
RS-485 B
Data receive/send line B
Table 3: LEDs & Buttons
LED1: blue
do not disturb
On: request active
Off: no request
LED2: blue
room service
On: request active
Off: no request
LED3: red
FAULT “ X ”
On: RFID key standard NOK or ID card number wrong
Off: No tag in proximity
LED4: green
OK “
√
”
On: RFID key standard OK and ID card number valid
Off: No tag in proximity
LED5: blue
SOS
On: request active
Off: no request
LED6: blue
occupied
On: request active
Off: no request
LED7: red
Communication
On: RS-485 communication fault
Off: RS-485 communication OK
LED8: green
Power supply
On: power supply OK
Off: power supply missing or power off
Table 4: S1
RS485 ADDRESS
Switch 1
Switch 2
0
OFF
OFF
1
OFF
ON
2
ON
OFF
3
ON
ON
5
