F"")"-$).#+
Section 5-2
$'*
Clearing IOWR-instruction
errors
IOWR-instruction errors can be cleared by issuing the IOWR-instruction with the
Error Clear (“EC”) command (refer to 4-5-3-5
for more
information).
5-2-3
Overflow/Underflow errors
Over- and underflow errors are reported only for Linear Counters assuming that
they have been configured to generate error codes (refer to 3-2-3
Clearing overflow/
underflow errors
Overflow- and underflow errors can be cleared by resetting or presetting the
Counter that generated over- or underflow. To reset a Counter refer to 3-6
. To preset a Counter refer 3-4
Note
At overflow- and underflow errors it is possible to configure Output State Control
(refer to 3-5-4
"Output Control Configuration"
Error Code 1
Error Code 2
Error
Description
0430
Counter
No.
Range
No.
(BCD)
/
CV No.
(BCD)
Invalid
Range Limit(s) /
Comparison Value
If the Unit is in Range Mode: Lower and/or
Upper Range Limit is/are outside Counting
Range.
Counter No.
indicates the Counter
number and
Range No.
indicates the Range
number.
If the Unit is in Comparison Mode: Comparison
value is outside Counting Range.
Counter No.
indicates the Counter number and
CV No.
indicates the Comparison Value number.
(The counting range of Circular and Linear
Counters can be specified, refer to 3-2-2
and
for more information).
0431
Counter
No.
CV No.
(BCD)
Comparison Values
are equal
For the Counter with the
Counter Number
as
reported in Error Code 2 one or more
Comparison Values are equal.
CV No.
indicates the Comparison Value number.
0435
Counter
No.
000
Rate Ranges overlap For the Counter with the
Counter Number
as
reported in Error Code 2 the Rate Ranges 0
and 1 overlap each other.
Error Code 1
Error Code 2
Error
Description
0450
Counter No.
Overflow
The Linear Counter with the
Counter No.
as
reported in Error Code 2 generated overflow.
0460
Counter No.
Underflow
The Linear Counter with the
Counter No.
as
reported in Error Code 2 generated underflow.
W902-E2-03.book Seite 147 Donnerstag, 7. Oktober 2004 2:06 14
Summary of Contents for CS1W-CT021
Page 1: ...OPERATION MANUAL High speed Counter Units CS1W CT021 CS1W CT041 Cat No W902 E2 03...
Page 3: ...W902 E2 03 book Seite iv Donnerstag 7 Oktober 2004 2 06 14...
Page 5: ...W902 E2 03 book Seite vi Donnerstag 7 Oktober 2004 2 06 14...
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