LEDs
Section 5-4
71
PROFIBUS-DP status LEDs (only valid when RUN LED is ON)
LED
Colour
State
Description
READY
Green
OFF
PROFIBUS-DP fatal error
Flashing
Configuration download in progress
IR n+2.14 and IR n+2.15 are OFF (Offline)
ON
The Unit is ready to communicate.
COMM
Green
OFF
The master does not get any positive reply
back from the slaves during the polling
procedure. No I/O data is being exchanged
with DP-slaves.
ON
The master does get at least one positive reply
back from one of the slaves in the network.
This does not automatically mean that I/O data
is being exchanged!
NW-ST
Green
OFF
Network state is Offline or Stop
IR n+2.14 = 0
Flashing
Network state is Clear
IR n+2.14 = 1, IR n+2.15 = 0
ON
Network state is Operate
IR n+2.14 = 1, IR n+2.15 = 1
DP-ERR
Red
OFF
No PROFIBUS-DP specific errors and no fatal
PLC error detected.
Flashing
At least one of the DP slaves is in error or is
not configured correctly (See also IR n+2.02,
n+2.03).
ON
Configuration error is detected, RUN LED or
READY LED is flashing (see also IR n+3).
Download the configuration again.
Содержание C200HW-PRM21
Страница 1: ...C200HW PRM21 PROFIBUS DP Master Unit OPERATION MANUAL Cat No W349 E2 2...
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Страница 5: ...C200HW PRM21 PROFIBUS DP Master Unit Operation Manual Produced May 2000...
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Страница 66: ...Debug mode Section 4 4 50...
Страница 98: ...Messages Section 6 4 82...
Страница 108: ...Maintenance Section 7 3 92...
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Страница 126: ...Authorised Distributor Cat No W349 E2 2 Note Specifications subject to change without notice Printed in the Netherlands...