12 Using SWD modules with the EtherCAT field bus
250 SmartWire-DT module IP20 01/20 MN05006001Z-EN www.eaton.com
Example 1: EU5E-SWD-2A2A analog module
The module has a parameter byte and also a length byte.
The low byte contains the length value 0 x 02 (1 parameter length byte +
1 parameter byte).
The high byte contains the parameter value 0x 50 (all 0 - 10 V,
average value generation for the analog inputs switched on at 100 ms)
Example 2: EU5E-SWD-4PT temperature acquisition module
The module has two parameter bytes and one length byte as well, so a total
of three bytes. In this case, no hexadecimal values is shown in TwinCat Man-
ager, but instead the values are output in the byte series, so the exact oppo-
site of the hexadecimal presentation.
The length byte is 3, the two parameter bytes 0, which means that no tem-
perature sensor has been defined (pre-setting)
Changing parameter values
The parameters are changed the same way that option bytes as changed.
Press on the Edit button to open the dialog where you can change the
parameter values. Here, irrespective of the number of parameter data, the
values in the hexadecimal presentation are output in ascending order; so
Length byte
Parameter byte 1
Parameter byte 2
…
For the two examples above, this means:
• EU5E-SWD-2A2A module:
• Length byte: 2
• Parameter byte 1: 50
• EU5E-SWD-4PT module:
• Length byte: 3
• Parameter byte 1: 00
• Parameter byte 2: 00
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Please do not change this value!
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