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D5000 Series Command Set

The DGH D5000 series products use a simple command and response protocol. A module must be interrogated by a host computer to obtain data. A module will never initiate a command sequence in order to prevent communications collisions.

A command is initiated with a command prompt, may be a dollar sign ($) or pound sign (#). Following the prompt a single address character must be transmitted. Each module on a communications bus must be setup with a unique address. The address is followed by a two character command. Every command is terminated with a carriage return.

The module response begins with a response prompt, which is an asterisk (*) followed by the necessary data. Every response is terminated with a carriage return. Linefeeds after the carriage return are user selectable. See the table below for typical commands and their respective response messages.
Command Definition Typical Command  Typical Response 
RB - Read Block of Data $1RB *+00072.00
RD - Read Data $1RD *+00072.00
REA - Read Extended Address $1REA *3031
RID - Read Identification $1RID * BOILER
RMN - Read Display Minimum $1RMN *-00100.00
RMX - Read Display Maximum $1RMX *+00025.00
RS - Read Setup $1RS *31020142
RZ - Read Zero Register $1RZ *+00000.00
WE - Write Enable $1WE *
Write Protected Commands    
CZ - Clear Zero Register $1CZ *
ID - Write Identification $1ID BOILER *
RR - Remote Reset $1RR *
SU - Setup Message $1SU31070142 *
TS - Trim Span $1TS+00745.00 *
TZ - Trim Zero $1TZ+00000.00 *
WEA - Write Extended Address $1WEA3031 *
WMN - Set Minimum Display Value  $1WMN-00200.00 *
WMX - Set Maximum Display Value  $1WMX+00760.00  *
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