MGP WRM2 Especificaciones descargar pdf (Pagina 28)

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Revision 5

April 2008

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5. Communication

5.1 Communication

The communication between the DRM and PC can be performed in 3 ways:

1) Wireless Radio WRM2 located inside the meter.

2) Direct RS232 via the meter communication port (D-type 9 pin female connector using a Null

Modem Adaptor).

3) WRM External Transmitter can be connected to the D-type 9 pin female connector via the AMP

to WRM adapter.

.2 Protocol

Communication parameters:

• Baud rate: can be selected between 300, 4800, 9600 and 19200 is the default.

• Parity: None

• Hardware handshaking: None

• Software handshaking: None

• Stop bit: 1

• Prefix: LF

• Suffix: CR

• Data format: 8 data bits

6. Communication Protocol

Description: DRM data to PC via radio or RS232

Byte 1 LF

Byte 2 to byte 7 Id meter number for communication set via Meter View software

Byte 8 status = 0x30=okay, 0x31=over load, 0x32=over threshold, 0x33=no external power, 0x34=low backup

battery, 0x38=detector fault.

Byte 9 Status = multiple status messages – See information below.

Byte 10 to byte 16 Dose Reading (x.xxxxx) or 8.88888 in case the Dose is disabled

Byte 17 = 0x30

Byte 18 to byte 22 rate reading X.YZW * 10

Byte 23 = 0x30

Byte 24 to byte 25 check sum

Byte 26 CR

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 61 62

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MGP WRM2 Especificaciones Pagina 28