Dsi parameter object, Class code, Instances – Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module User Manual
Page 180: Class attributes, C-10
C-10
CIP/DSI Objects
Class Code
Instances
The number of instances depends on the number of parameters in the
device. The total number of parameters can be read in Instance 0,
Attribute 0.
Class Attributes
DSI Parameter Object
Hexadecimal
Decimal
0x93
147
Instances (Dec.)
Single-Drive Mode
Multi-Drive Mode
0…16383
Instances 0…16383 in drive
Instances 0…16383 in Drive 0
16384…17407
Instances 0…1023 in module
Instances 0…1023 in module
17408…18431
Instances 0…1023 in module
Instances 0…1023 in Drive 1
18432…19455
Instances 0…1023 in slave
Instances 0…1023 in Drive 2
19456…20479
Not supported
Instances 0…1023 in Drive 3
20480…21503
Not supported
Instances 0…1023 in Drive 4
21504…22527
Not supported
Instances 0…1023 in module
Attribute
ID
Access
Rule
Name
Data Type
Description
0
Get
Number of
Instances
WORD
Number of parameters in the device
1
Set
Write Protect
Password
WORD
0 = Password disabled
n = Password
2
Set
NVS Command
Write
BYTE
0 = No Operation
1 = Store values in active memory to NVS
2 = Load values in NVS to active memory
3 = Load default values to active memory
3
Get
NVS Parameter
Value Checksum
WORD
Checksum of all parameter values in a user
set in NVS
4
Get
NVS Link Value
Checksum
WORD
Checksum of parameter links in a user set
in NVS
5
Get
First Accessible
Parameter
WORD
First parameter available if parameters are
protected by passwords. A “0” indicates all
parameters are protected.
7
Get
Class Revision
WORD
2 = DSI
8
Get
First Parameter
Processing Error
WORD
The first parameter that has been written
with a value outside of its range. A “0”
indicates no errors.
9
Set
Link Command
BYTE
0 = No Operation
1 = Clear All Parameter Links (This does not
clear links to function blocks.)