Siemens SIMATIC HMI TP 170A Equipment Manual page 85

Number
280003 A connection is used which requires a
function module in the PLC.
The function block does not reply.
280004 The online connection to the PLC has been
interrupted. There is no data exchange at
present.
290000 The tag could not be read or written. It is
assigned the start value.
The message can be entered in the
message buffer for up to four more failed
tags, if necessary. After that, the message
number 290003 is issued.
290001 An attempt has been made to assign a value
to a tag which is outside the value range
permitted for this type.
The message can be entered in the
message buffer for up to four more failed
tags, if necessary. After that, the message
number 290004 is issued.
290002 It is not possible to convert a value from a
source format to a target format.
The message can be entered in the
message buffer for up to four more failed
tags, if necessary. After that, the message
number 290005 is issued.
290003 This message is issued when message
number 290000 is triggered more than five
times.
In this case, no further individual messages
are generated.
290004 This message is issued when message
number 290001 is triggered more than five
times.
In this case, no further individual messages
are generated.
TP 170A Equipment Manual
Release 12/99
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Effect/Cause
System Messages
Remedy
Check that the cable is plugged in, the PLC
is operational, the correct interface is used.
Reboot the system if the system message is
displayed continuously.
The remedy is dependent on the error code:
1: The function block must set the COM bit
in the response container.
2: The function block may not set the
ERROR bit in the response container
3: The function block must respond within
the specified time (timeout)
4: Establish an online connection to the
PLC
Check the PLC parameters in ProTool Pro:
baud rate, block length, station address.
Check that the cable is plugged in, the PLC
is operational, the correct interface is used.
Reboot the system if the system message is
displayed continuously.
Check in the configuration that the address
has been set up in the PLC.
Observe the value range for the tag type.
Check the value range or type of the
variable.
Check in the configuration that the tag
addresses have been set up in the PLC.
Observe the value range for the tag type.
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