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IDENT-M System V • TCP/IP connection
Description of commands
Zumutbare Änderungen aufgrund technischer Verbesserungen vorbehalten.
Copyright Fuchs, Printed in Germany
Fuchs GmbH • 68301 Mannheim • Telefon (06 21) 7 76-11 11 • Telefax (06 21) 7 76-27-11 11 • Internet http://www.pepperl-fuchs.com
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10.2
Error handling
If one of the commands from Section 9.1 is transferred to the Control Interface unit
and an error occurs during the processing of the command, the Control Interface unit
responds with an error message. You can tell this has happened if byte 3 Status <>
NULL:
From byte 5 on, the error message is generated as plain text.
Please note that the response telegram must be exactly the same length as the com-
mand telegram. If the plain text of the error message is longer than the data field, the
last characters will not be transferred.
Response with error message:
Designation
Bit number
7
6
5
4
3
2
1
0
Byte 0
X4
X3
X2
X1
K3
K2
K1
-
Byte 1
Command repetition, high byte
Byte 2
Command repetition, low byte
Byte 3
Status
Byte 4
I1
T1
S2
S1
EC4
EC3
EC2
EC1
Byte 5
Error message if Status <> NULL
Byte 6
- „ -
- „ -
- „ -
- „ -
- „ -
Byte n
- „ -