Operation
Operating Manual PNOZ mc7p
1003050EN02
15
7
Operation
When the supply voltage is switched on, the PNOZmulti safety system copies the configur
ation from the chip card.
The LEDs “POWER”, “DIAG”, “FAULT”, “IFAULT” and “OFAULT” will light up on the base
unit.
The expansion module PNOZ mc7p is configured and started automatically.
7.1
Messages
Legend:
LED on
LED off
LED
Meaning
RUN
Green
Bus connection available
}
Bus connection is not available
}
Status: timeout
}
No supply voltage at the fieldbus module PNOZ mc7p
L Err
Red
Fault detected: Wrong station address or transmission rate
}
Flashes evenly: setting has been changed during operation and
PNOZ mc7p has not been restarted
}
Flashes unevenly: faulty connection, e.g. terminating resistor is
missing
}
Bus connection available
}
No supply voltage at the fieldbus module PNOZ mc7p
RD
Green
PNOZ mc7p Receiving data
}
PNOZ mc7p Not receiving data
}
No supply voltage at the fieldbus module PNOZ mc7p
SD
Green
PNOZ mc7p Sending data
}
PNOZ mc7p Not sending data
}
No supply voltage at the fieldbus module PNOZ mc7p
