Longo programmable controller LPC-2.CR2
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: red
Fault “ X ”
ON: RFID key standard NOK or ID card number wrong
OFF: No tag in proximity
LED2: green
OK “
√
”
ON: RFID key standard OK and ID card number valid
OFF: No tag in proximity
LED5: red
Communication
ON: RS-485 communication fault
OFF: RS-485 communication OK
LED6: green
Power supply
ON: power supply OK
OFF: power supply missing or power off
Table 4: S1
RS-485 ADDRESS
Switch 1
Switch 2
0
OFF
OFF
1
OFF
ON
2
ON
OFF
3
ON
ON
6
