Hardware configuration.
CNC 8070
CENTRAL UNIT + MONITOR (ETX PLATFORM).
5.
Hardware functionality. Connectors.
·69·
(REF: 1911)
CAN bus. ·CAN· connector.
5-pin male Phoenix-contact minicombicon connector (3.5 mm pitch).
CAN bus. ·LT· selector.
Line terminating resistor. The ·LT· switch identifies which are the elements that occupy the
ends of the CAN bus; i.e. the first and last physical element in the connection.
The switch position of the terminating elements must be "1" and that of the rest of the
elements "0".
CAN bus. ·ERROR· LED.
Red LED. Its meaning depends on the blinking frequency.
CAN bus. ·RUN· LED.
Green LED. Its meaning depends on the blinking frequency.
Bus used to communicate with drives. Sercos II bus.
·IN· & ·OUT· connectors Sercos emitter and receiver.
See
"5.12.7 Sercos II bus." on page 89.
Type of blinking. Meaning.
LED off. The module works properly.
Blinking fast. Module configuration stage.
Single blinking. Warning. Poor transmission.
Double blinking. There is no communication with the cpu.
LED on. Error. Too many errors.
Type of blinking. Meaning.
LED on. The module works properly.
Single blinking. Module stopped.
Blinking fast. Module configuration stage.
Continuous blinking. Start-up stage or error.
1
2
3
4
5
ISO GND
CAN L
SHIELD
CAN H
SHIELD
Pin. Signal. Function.
1 ISO GND Ground / 0 V.
2 CAN L (LOW) bus signal.
3 SHIELD CAN shield.
4 CAN H (HIGH) bus signal.
5 SHIELD CAN shield.
Signal. Function.
IN Sercos signal receiver.
OUT Sercos signal emitter.
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