Communication Guide, ©ComAp – March 2014    141 
IGS-NT Communication Guide 03-2014.pdf 
53 44    = Object data value (S D)  
20 31    = Object data value (_ 1)  
32 00 …  = Object data value (2) = > 1.record in alarmlist is *Sd SD 12 (inactive, not accepted) 
F5 18    = CRC 
 
Response: 01 03 32 21 2A 53 64 20 53 44 20 31 32 00 00 …  00 00 89 38  
01    = Controller address 
03    = Modbus function code (Read Multiple Registers) 
32    = Length of read data in Bytes (in HEX) 
21 2A    = Object data value (! *)  
53 64    = Object data value (S d)  
20 53    = Object data value (_ S)  
44 20    = Object data value (D _)  
31 32 …  = Object data value (1 2) = > 1.record in alarmlist is !*Sd SD 12 (active, not accepted) 
38 89     = CRC 
 
Change the communication language (only String type data) 
 
Write to the communication object 6350 the index of language to be used. 
 
  A part of dedicated communication objects table  
Language index selected for displaying of texts 
specified by data type String (# 7) 
Code of the last communication fault 
See Error list 
Number of records in the alarm list 
Language index selected for displaying of texts 
specified by data type String (# 7) 
 
 
 
 
Request: 01 06 18 CE 00 01 2F 55 
01    = Controller address 
06    = Modbus function code (Write Single Register) 
18 CE    = Register address: Register number (46351) – 40001 = 6350 DEC => 18CE HEX 
00 01    = Set the language index to > 1 
55 2F    = CRC (write LSB MSB !) 
 
Response: 01 06 18 CE 00 00 EE 95 
01    = Controller address 
06    = Modbus function code (Read Multiple Registers) 
18 CE    = Register address  
00 01    = Language index set to > 1 
55 2F    = CRC