SIWAREX WT241 
Manual, 05/2015, A5E36046748A  87 
10.1  Overview 
The commands for the electronic weighing system described here can be transmitted by 
several interfaces: 
●  by the Operator Panel directly to the SIWAREX module 
●  by the digital inputs after corresponding assignment in data record DR 7 
●  by a PLC system e.g. via Modbus RTU 
A data or command error is signaled if a command cannot be executed or if the sent data 
record is rejected. 
Detailed descriptions of the commands can be found in the following command lists: 
→ Table 10-1 Commands 1 ... 99: Service commands (Page 88) 
→ Table 10-2 Commands 450 ... 499: Trace commands (Page 90) 
→ Table 10-3 Commands 700 ... 899: HMI display switchover (DR34 – ASCII display) 
(Page 90) 
→ Table 10-4 Commands 1000 ... : Basic functions for weighing commands (Page 91) 
→ Table 10-5 Data record commands of SIWAREX WP241 (Page 91) 
→ Table 10-6 Totalizing commands of SIWAREX WP241 (Page 91) 
See also 
Command lists (Page 88)