Name Function
block
SPA
address
Description
Update Block SXSWI26 3 I 662 SPA parameter for update block
command
Update Block SXSWI27 3 I 681 SPA parameter for update block
command
Update Block SXSWI28 3 I 700 SPA parameter for update block
command
18.4.4 Technical data
Table 739: LON communication protocol
Function Value
Protocol LON
Communication speed 1.25 Mbit/s
18.5 SPA communication protocol
18.5.1 Functionality
In this section the most common addresses for commands and events are available.
For other addresses, refer to section
"".
It is assumed that the reader is familiar with the SPA communication protocol in
general.
18.5.2 Design
Using the rear SPA port for either local or remote communication with a PC requires
the following equipment:
• Optical fibres
• Opto/electrical converter for the PC
• PC
The software needed in the PC, either local or remote, is PCM600.
SPA cannot be used with PCM600.
When communicating between the local HMI and a PC, the only hardware required is
a front-connection cable. Note! SPA cannot be used from LHMI front, except for
using "FSTACCS", that is, Field Service Tool Access.
Section 18 1MRK502052-UEN B
Station communication
1020
Technical manual
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