IFM Ecomat 300 AC1355, Дополнительное руководство по устройству

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DP module 7: Command channel
Module 7, command 14dec (0Ehex):
read configuration error counter
8-15
8.14 Module 7, command 14
dec
(0E
hex
):
read configuration error counter
Structure
Request of DP master
Bit
MM = master no. (1…2)
Byte
7 6 5 4 3 2 1 0
1
0 0 0E
hex
2
MM 0
3
0
not used *)
4
0
not used *)
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 0E
hex
2
copy of the request
D6 = command code
D7 = error code
→ page 7-20 , table at the bottom
3
error counter high byte
4
error counter low byte
provides the number of configuration errors of the master
since power on or reset
Example: read configuration error counter on AS-i master 2
Request of DP master
Byte no. Value [hex] Description
1 0E 0E = command 14
2 80
(master no.
2 * 64
)
= 128
dec
=
80
hex
3 00 not used *)
4 00 not used *)
Response from controllere
Byte no. Value [hex] Description
1 0E copy of the request
2 80 copy of the request
3 00
4 03
error counter = 0003
hex
= 0003
dec
→
Since the last power-on of the controllere or the reset of the counter, 3 configuration errors
have occurred.
*)
IMPORTANT:
For the query read only the required bytes. Unused bytes can contain information of
previous queries.