Longo programmable controller LPC-2.ID1
Table 2: K1
K1.1
GND
Ground
K1.2
9 V DC
Power supply input
K1.3
Standard RS-485 A
Data receive/send line A
K1.4
Standard RS-485 B
Data receive/send line B
Table 3: K2
K2.1
SPST relay contact
Make contact (NO)
K2.2
SPST relay contact
Make contact (NO)
Table 4: K3
K3.1
9 V DC
Power supply output
K3.2
Digital input, 0 .. 9 V DC
9 V DC digital input
Table 5: LEDs & Buttons
Power LED (on the upper side of
the module)
Green LED: indicates
power supply status
On: power supply OK
Off: power supply missing or
power off
Internal fault LED (on the upper
side of the module)
Red LED: indicates
LPC-2.ID1
communication state
On: RS-485 communication fault
Off: RS-485 communication OK
OCCUPIED, DO NOT DISTURB,
ROOM SERVICE, SOS
Green LED: indicates
correspondent signal
presence
On: signal present
Off: signal not present
OK “
√
” LED
Green LED: indicates
RFID key standard and
number
On: RFID key standard OK and ID
card number valid
FAULT “ X ” LED
Red LED: indicates
RFID key standard and
number
On: RFID key standard NOK and ID
card number wrong
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