28
SI-INTERBUS User Guide
Issue Number: 1
Table 6-10 Mapping for 3 cyclic channels with PPO 4 Word non-cyclic
6.4.12.5 Three cyclic channels with PCP non-cyclic data
This data format provides three cyclic data channels with PCP (Mode 3) non-cyclic data
(see section 8.3
Mode 3 - Peripheral Communications Protocol V2.0
). The total data
length is 7 words.
Configuration parameters:
Pr
MM.005
(
Interbus Data Format
) = 306.
Pr
MM.034
(
Cyclic Data Compression Enable
) = Off.
Table 6-11 Mapping for 3 cyclic channels with PCP non-cyclic
There is no mapping required when the peripheral communications protocol (PCP)
is enabled.
The PCP channel will use 1 cyclic data word, but it cannot be accessed directly in the
Interbus master controller or the SI-Interbus.
Cyclic Channel
Data Word
Parameter
Default Mapping
IN Channel 0
Word 0 to 3
Pr
MM.010
Pr
61.51
,
PPO 4 Word Non-cyclic mode 2
IN Channel 1
Word 4, 5
Pr
MM.011
Pr
10.40
,
Status Word
IN Channel 2
Word 6, 7
Pr
MM.012
Pr
2.01
,
Post Ramp Reference
IN Channel 3
Word 8, 9
Pr
MM.013
User defined
OUT Channel 0
Word 0 to 3
Pr
MM.020
Pr
61.51
,
PPO 4 Word Non-cyclic mode 2
OUT Channel 1
Word 4, 5
Pr
MM.021
Pr
10.40
,
Status Word
OUT Channel 2
Word 6, 7
Pr
MM.022
Pr
2.01
,
Post Ramp Reference
OUT Channel 3
Word 8, 9
Pr
MM.023
User defined
Cyclic Channel
Data Word
Parameter
Default Mapping
IN Channel 0
Word 0, 1
Pr
MM.010
Pr
10.40
,
Status Word
IN Channel 1
Word 2, 3
Pr
MM.011
Pr
2.01
,
Post Ramp Reference
IN Channel 2
Word 4, 5
Pr
MM.012
User defined
OUT Channel 0
Word 0, 1
Pr
MM.020
Pr
6.42
,
Control Word
OUT Channel 1
Word 2, 3
Pr
MM.021
Pr
1.21
,
Preset Reference 1
OUT Channel 2
Word 4, 5
Pr
MM.022
User defined
