Fig 27. Example configuration for communication with MODBUS-MASTER devices - type of devices and protocol
Next section is
Advanced Protocol Settings
(fig. below), set the time outs :
- Character timeout
- value in ms., maximum delay or gap betweens bytes of a message – default 20 ms.
- Message timeout
- value in ms., maximum delay or gap betweens bytes of a message – default 2500ms; this time must be
less than the Timeouts set on SLAVE and MASTER MODBUS-RTU devices.
For saving the
Advanced Protocol Settings
press [
Apply
].
Fig 28. Example configuration for communication with MODBUS-MASTER devices – setting of Timeouts
5.2.2.1.5.2. CONFIGURATION FOR COMMUNICATION WITH MODBUS-SLAVE TYPE
DEVICE
After saving the configuration, in the section
Industrial Automation Settings
, press
[Change Protocol]
link.
Then in section
Select
IA Protocol
(figure below) select type of device, connected to serial port of ADA-14040, as
Serial Slave
and MODBUS-RTU or
MODBUS-ASCII protocol for communication between connected devices. Press
[Apply]
for saving configuration.
24
ADA-14040