Promag TR515 User Manual page 15

Set register ('C', 43H)
Command CRR,reg_data
Reply A
RR- register number (00H...FFH); reg_data- the data for the register to be
set
This command is used to set one of the TR515 "registers". Registers are
actually functioning parameters (Settings). Complete description of all available
registers can be found in Section 4.
Get register ('B', 42H)
Command BRR
Reply Areg_datacc
RR- register number (00H...FFH), reg_data is the data stored in the register,
cc- checksum
This command is used to retrieve the data contained in the designated
"register". Registers are actually functioning parameters (settings). Complete
description of all available registers can be found in Section 4.
Get number of records ('N', 4EH)
Command N
Reply ANNNNcc
NNNN- number of records in Hex form; cc- checksum
This command can be used to retrieve the number of records currently
found in the database. Leading zeroes are not omitted, so reply string length is
always the same.
TR515 User's Manual
13
Possible error codes: 04, 07
Possible error codes: 04, 07
Possible error codes: 07