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
18.6.4 Technical data
IP14442-1 v1
M11927-1 v2
Table 852: LON communication protocol
Function Value
Protocol LON
Communication speed 1.25 Mbit/s
18.7 SPA communication protocol
IP14614-1 v1
18.7.1 Functionality
M11897-3 v4
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.
18.7.2 Design
M11877-3 v4
Using the rear SPA port for either local or remote communication with a PC requires the following
equipment:
• Optical fibers
• Opto/electrical converter for the PC
• PC
The software needed in the PC, either local or remote, is PCM600. (Note! SPA cannot be used with
PCM600 2.6 or later).
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 1MRK 502 066-UUS B
Station communication
1152
Technical manual
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