Available Services - Anybus Communicator Modbus plus User Manual

9.5.1 Available Services

Right click on the node, and choose Add Command.
A pop-up window will show the four different servic-
es that are available:
• Integrity check
• Read diagnostics
• Read data
• Write data
A maximum of 50 services in total (for all nodes) can
be selected.
The predefined services can be configured to suit the
application. Select a service to show the parameters.
General Configuration Parameters
These parameters are common to all services, but the settings
are individual to each instance of a service.
General:
Parameter Description
Offline options for The action to take for this service
fieldbus if the fieldbus goes offline. This
option affects the data that is sent
out to the subnetwork.
Offline options for The action to take for this service
subnetwork if the subnetwork goes offline.
This option affects the data that is
reported to the fieldbus master.
Update mode The update mode for this service Cyclically
Timing:
Parameter
Retries
Timeout time (10 ms)
Update time (10 ms)
a. The default value is given as 100 in the parameter window. Each change of 10 ms either increases or decreases
this value by 1, i.e. 99 represents a poll time of 990 ms and 101 represents a poll time of 1010 ms.
Trigger:
Parameter
Request Trigger byte
address
Response Trigger byte
Response Trigger byte
address
Anybus Communicator for Modbus Plus
Doc.Rev. 3.01
Description
The number of times to resend this service before the node is disconnected
The time to wait before resending this service (in steps of 10 ms)
The minimum time between two services of this kind (in steps of 10 ms)
Description
The memory location of the trigger byte this service uses for updates on trigger
byte changes
Enables/disables the trigger byte
The memory location of the trigger byte this service uses for updates on trigger
byte changes
Valid settings range from 0x200... 0x3FF and 0x400... 0xNNN
Valid settings
Clear
Freeze
Noscanning
Clear
Freeze
On data change
Single shot
Change of state
on trigger
DF1 Protocol Mode 55
Default
3
1000 ms
a
1000 ms
a
Default
0x05FF
Disabled
0x05FF
Doc.Id. SCM-1200-093