5 Function blocks
5.4 BT, Data block Transformer
154
Control Relay easy800
11/11 MN04902001Z-EN
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Example 4:
Transfer of marker byte, destination range violation error
The value of marker byte MB96 is to be transferred to MD93, MD94, MD95
and MD96. The length is 16 bytes.
•
Parameters of function block BT01:
The error message “Number of elements exceeds the destination range” is
output.
BT01E1 is 1.
Example 5:
Transfer of marker bytes, invalid offset error
The value of marker byte MB40 is to be transferred to MW54 and
subsequent marker words. The block length is specified by the value of the
counter C 01QV.
The message “The specified offset of the destination range is outside of the
permissible range” is output.
BT01E3 is 1.
•
Source range:
I1
MD96
•
Target range:
I2
MD93
•
Number of bytes:
NO
18
￫
The transfer is in byte format. MD93 to MD96 is 16 bytes.
18 bytes were incorrectly defined as length.
•
Source range:
I1
MB40
•
Target range:
I2
MW54
•
Number of bytes:
NO
C 01QV
￫
The value of C 01QV is 788. This value is too big.
The value at >NO can be between 1 and +192.
