Eaton easy800

5 Function blocks
5.4 BT, Data block Transformer
152 Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com
• Parameters of function block BT01:
After a rising edge from 0 to 1 at coil BT01T_ the value 123 is present in the
marker bytes MB20 to MB29.
Example 2:
Initialization of marker blocks, definition of a range with offset
The content of marker byte MB15 is to be transferred to marker bytes MB65
to MB68.
• Parameters of function block BT01:
After a rising edge from 0 to 1 at coil BT01T_ the value 45 is present in the
marker bytes MB65 to MB68.
• Source range: I1 MB10
• Target range: I2 MB20
• Number of bytes: NO 5
Source range Value of
source
marker
range
(decimal)
Destination
range
Value of
destination
marker
range
(decimal)
MB10 123 MB20 123
MB21
123
MB22
123
MB23
123
MB24
123
• Source range: I1 MB15
• Target range: I2 64
• Number of bytes: NO 4
• Marker MB01: 1
￫
Destination range: Constant 64:
Marker MB01 plus offset: 1 + 64 = 65  MB65
Source range
Value of
source
marker
range
(decimal)
Destination
range
Value of
destination
marker
range
(decimal)
MB15 45 MB65 45
MB66
45
MB67
45
MB68
45