MAXICAL
®
III5511-229 GB/98.06/Rev. B1
41
10.1 Data Strings and Functions
When the computer connected sends a recognisable request string,
MAXICAL
®
III responds by sending a data string 1-2 seconds
after the request has been received.
MAXICAL
®
III’s data acquisition uses the following
communication set-up:
300/1200 Baud 1 Startbit 7 Databits Equal parity 1 Stopbit
The following data strings can be read via optical data
acquisition:
Data string for “EN 61107” Request
a) EN61107 data acquisition (via the optical eye only)
-> / ? ! CR LF [300 BAUD]
<- / K A M 0 M C CR LF [300 BAUD]
-> ACK 0 0 0 CR LF [300 BAUD]
<- STX 0 . 0 ( D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 )
[300 BAUD]
<- 6.8 ( D7 D6 D5 D4 D3 D2 D1 * UNIT1 ) [300 BAUD]
<- 6.26 ( D7 D6 D5 D4 D3 D2 D1 * UNIT2 ) [300BAUD]
<- 6.31( D7 D6 D5 D4 D3 D2 D1 * h ) ! CR LF ETX
BCC [300 BAUD]
10.2 Data Strings
(The following data can be read either by the optical read head or
via data terminals 62-63-64)
b) Normal data 1:
-> / # 1 [300 BAUD]
<- Energy, Water, Hour Counter, t
F
, t
R
, Dt, Power, Flow,
Peak Power/Flow, Info
— [1200 BAUD]
Key
UNIT1 kWh, MWh, GJ or none
UNIT2 m
3
or none
STX Start of Text
ETX End of Text
BCC Block Check Character
LF Line Feed
CR Carriage Return
Dn ASCII Characters
* Separate value and unit
-> Data string
to
MAXICAL
®
III
<- Data string
from
MAXICAL
®
III