Dl/T645-2007 Communication; Overview Of Dl/T645-2007 - Panasonic kw9m User Manual

Eco-power meter
Hide thumbs Also See for kw9m:
Table of Contents

Advertisement

6.5 DL/T645-2007 communication

6.5.1 Overview of DL/T645-2007

Only 2007 version of DL/T645 is supported. Other version is not supported.
◆DL/T645-2007 transmission settings are as below.
Transmission format
Parity
Stop bit
Response time
Stop time between byte
◆Frame format
Frame start number
Address field
Frame start symbol
Control code
Data field length
Data field
Check code
End symbol
Address field (A0 to A5)
Address (device number) is consisted of 6-byte (12-digit), but the range is 0 to 9999.
(When the number of digit is not filled, it fills it up with '0'.)
Transmission address '999999999999H' is not supported.
Address field supports wild card. It fills it up with AA from the lower to upper without any value.
When it transmits address field, it transmits from lower to upper. (A0 A1 A2 A3 A4 A5)
Ex.) In case of that the address is 55H.
・Correct address field
Without wild card
With wild card
・Case that is NG with wild card
Address field
55 00 00 AA 00 AA
55 00 00 A0 AA AA
8bit
Even (fixed)
1bit (fixed)
50ms (fixed)
500ms or more
68H
A0
A1
A2
A3
A4
A5
68H
C
L
DATA
CS
16H
Transmission format
55 00 00 00 00 00
55 00 AA AA AA AA
Reason
There is '00' between 'AA' and 'AA'.
A3 of address field is not 'AA'.
57
KW9M Eco-POWER METER

Advertisement

Table of Contents
loading

Table of Contents