MAXICAL
®
III
5511-229 GB/98.06/Rev. B1
40
10. Data Communication
An optical, infra-red eye is placed at the bottom left of
MAXICAL
®
III’s front panel. This sends and receives data in
accordance with the IEC 1107/EN61107 standard.
A standard optical read-out head with a permanent magnet is used
for data acquisition and programming MAXICAL
®
III.
2
RXD
Recieve Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
SG
Signal Ground
Pulse count, location of flow meter and measuring unit for accu-
mulated energy can be programmed via the optical read-out head.
As this data (A-B-CCC) is considered to be legal data, changes
can only be made if the program for MAXICAL
®
III can be
accessed (V=0).
Kamstrup’s read-out head, type no. 66-99-102, can be connected
to a standard PC (IBM compatible) with Windows 3.1 - or a more
recent version. Use Kamstrup’s programming software (66-99-
210) for programming - please read chapter 11 for further infor-
mation on the programming software.
