Thermo Scientific Heratherm IMH 60 Operating Instructions Manual page 58

Installation procedures
Connecting the RS-232 Interface
— 8 data bits
— 1 stop bit
— No Parity
7. Once your terminal indicates that serial communication has been established successfully,
enter any of the commands listed in
information you want to query.
8. Use the following generic command syntax:
— ?: identifies the command line as a query;
— aaaa: is the parameter address;
— bb:: is a query, that must be left at „00" for technical reasons;
— cc is for a command - specific checksum listed in the table below.
— <CR> is for carriage return.
You will receive a response of the following general format:
— !: identifies the line as a response to a query;
— aaaa: is the parameter address entered with the query;
— bb: is the number of payload bytes in hexadecimal code— for example, 1F for the
— XXXXXX: is the significant status information queried;
— cc: is a check sum (technically an inverted XOR of all bytes returned, excluding the
— <CR> is for carriage return.
Table 5-1 Terminal Commands for Querying Data
Command Syntax
Combined Date and Time
?:0010:00::c1
Date only
?:0011:00::c0
Time only
?:0012:00::c3
5-10 Heratherm
?:aaaa:bb::cc<CR> , where:
!:aaaa:bb:XXXXX:cc<CR>
decimal value 31;s
check sum bytes and the <CR> character);
table 5-1 below, depending on what type of
, where:
Response Example
!:0010:11:31.07.10;01:02:23:e2
Date Time
!:0011:08:31.07.10:d2
Date
!:0012:08:01:02:23:dc
Time
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