Instance 36 attributes (oscillography, Assembly structure common services – Rockwell Automation 1403-NDNET DeviceNet Communications Card Installation Instructions User Manual
Page 72

Publication 1403-IN054B-EN-P - August 2001
B-42 DeviceNet Data Tables
Instance 36 Attributes (Oscillography Configuration Read)
Assembly Structure
Common Services
Attribute ID Access
Rule
Nam
e
DeviceNet Data Type
3
Get
Data
Structure of
10 bytes (5 Words) (when Master Module firmware is
V2.10 or earlier)
14 bytes (7 Words) (when Master Module firmware is
V3.00 or later)
Param # Parameter name
Data Type
# bytes Description
Default
Setting
Word No.
1
Password
Int
2
Always returns –1
-
1
2
Buffer type
Int
2
Indicates how captures are buffered.
0 = Hold (1
st
capture is held)
1 = Overwrite (new captures overwrite existing ones)
1
2
3
Channel A
Int
2
Indicates signal for channel A when Oscillograph type =
0.
1=V1, 2=I1, 3=V2, 4=I2, 5=V3, 6=I3, 7=I4
1
3
4
Channel B
Int
2
Indicates signal for channel B when Oscillograph type =
0.
Refer to ‘Channel A’ for a list of selections.
2
4
5
Pretrigger
Int
2
-1 = No pretrig
0 to 8 = number of pre-trigger cycles
0
5
6
Oscillograph type
(1)
Int
2
0 = Master Module firmware V2.10 compatible mode
(7channel x 2 cycle + 2 channel x 12 cycle)
1 = 10.8kHz, 1 capture
2 = 10.8kHz, 2 captures
3 = 5.4kHz, 1 capture
4 = 5.4kHz, 2 captures
5 = 2.7kHz, 1 capture
6 = 2.7kHz, 2 captures
0
6
7
Overwrite
timeout
Int
2
When ‘Buffer Type’ is configured in ‘overwrite’ mode,
this parameter indicates the amount of time (in
minutes) that a capture will be held before it is cleared.
Range = 1 to 4320
1
7
(1) Available on master module firmware V3.00 or later (not implemented on previous versions)
Service
Code
Service Name
0Ehex
Get_Attributes_Single