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3-2
Section
Functions
34
I/O Unit Connection Information
1: Error (OR of bits 0 to 4)
1: Refreshing I/O
1: Special I/O Unit Error
1: Configuration Error
1: I/O Unit Interface Error
1: I/O Unit Power Supply Overload
1: I/O Unit Error
0 wd
Bit
Bit
Flag name
Meaning
Content
15
Refreshing
I/O
Refreshing I/O
1: Communications
between the Commu-
nication Unit and I/O
Units is normal.
0: Communications error
(no response is received
from an I/O Unit)
14
Error
OR of bits 0 to 4
1: Any one of bits 0 to 4 is
ON
0: Bits 0 to 4 are all OFF
4
Multipoint I/O
Unit Error
A multipoint I/O Unit error was
detected.
1: Unit error
0: Unit normal
3
I/O Unit
Power Supply
Overload
An overcurrent to an I/O Unit
was detected.
1: Overcurrent detected
0: Normal
2
I/O Unit Inter-
face Error
An I/O Unit interface error was
detected.
Data Transfer Error:
In the I/O Unit interface, there
was no response to a com-
mand after the fixed time has
elapsed. Alternatively, the
response expected to be
returned from the end I/O Unit
(terminator) was not received.
Too many I/O Units:
Nine or more I/O Units are
connected.
1: I/O Unit interface error
0: Normal
1
Configuration
Error
The I/O configuration was
changed after the Communica-
tion Unit was started.
1: I/O configuration change
after startup
0: No I/O configuration
change during startup
0
Special I/O
Unit Error
An error occurred in a Special
I/O Unit.
1: Special I/O Unit error
0: Special I/O Unit normal
Note
The high and low bytes in this status word are swapped when the transfer mode
is set to Little Endian (see section 2-2-2).
Содержание PRT1-COM
Страница 1: ...Cat No W900 E2 1 PROFIBUS DP MULTIPLE I O TERMINAL PRT1 COM GT1 Series ...
Страница 2: ...PRT1 COM GT1 Series PROFIBUS DP MULTIPLE I O TERMINAL Operation Manual Produced December 1999 ...
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Страница 187: ...Cat No W900 E2 1 Note Specifications subject to change without notice December 1999 Authorized Distributor ...