LEFM 200 Modbus User Manual IB0147 Rev. 8
December 2010 Page 37 Section 5
5.0 EXAMPLES
5.1 Polling Integer Input Registers
The following example shows a Modbus data transaction for four Input Register Integers
between a Modbus Master and a 200 Series Electronic Unit as Slave ID 2. The Modbus
transaction requests Integer type Input Registers for SNR_UP1, SNR_UP2, SNR_UP3,
SNR_UP4. These correspond to Input Registers 200, 201, 202, 203. Reported values from the
200 Series Electronics are 14, 19, 22, 15.
Master Polling Device:
Trapped Serial Data:
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