User Manual

3-3 Explicit Messaging
3-24
- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (GT-70A) -
3
Communicating with the GT-70A series
Reading data with decimal point
 Command format
 Response format
• When normal
Decimal point information: Indicates the number of decimals.
For example, "0003h" means three decimals.
• When abnormal
Writing settings or status
 Command format
• When writing da ta of WORD or UINT type
• When writing da ta of DINT type
Destination
node address
Service
Code
Attribute ID
**h 4Eh 0067h ****h **h
Specifi es the parameter to be read.
ClassID
Instance ID
Responder
node
address
Service
Code
0006h **h CEh ********h ****h
Response data
Number of
received bytes
Decimal point
information
Responder
node address
Service Code
0004h **h 94h FF**h
Response data
(Error code)
Number of received bytes
Destination
node address
Service
Code
Attribute ID
**h 10h 0067h ****h **h ****h
Class ID Instance ID Service data
Data to be written
Specifi es the parameter to be written.
Destination
node
address
Service
Code
Attribute ID
**h 10h 0067h ****h **h ********h
Class ID
Instance ID
Service data
Data to be written
Specifi es the parameter to
be written.