Longo programmable controller LPC-2.NE1 module
Table 1: K3 communication port
ETH.1
Tx data +
ETH.2
Tx data -
transmit wire pair
ETH.3
Rx data +
ETH.6
Rx data -
receive wire pair
Table 2: internal bus
K1
Data & DC power supply
Connection to other comm.
module
K2
Data & DC power supply
Connection to controller or
another comm. module
Table 3: marking and indication
LED1
RUN
status
OFF: no power supply
ON: power supply present
UART communication to LPC-2.MC7 not active
BLINK ON every 4s for 1s:
power supply present
UART communication to LPC-2.MC7 active
LED2
Rx
ON: - power supply present,
- no ethernet packet received
BLINK OFF: packet received
OFF LED2 & LED3: no power supply present
LED3
Tx
ON: - power supply present,
- no ethernet packet received
BLINK OFF: packet send
OFF LED2 & LED3: no power supply present
* available only on products, produced after maj 2007
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