21
Communications
All changes to the MODBUS settings are achieved via
the COMMS screen. See Figure 11.
The Comms (Communications) screen may be ac-
cessed by selecting the COMMS button located at the
bottom of the System screen. The MODBUS Address,
Communication Speed, Parity and Stop parameters
are set within the Communications screen.
For complete communications specification details on
ModBus messaging, Registers and Sensor Mapping,
please reference our “ModBus Wiring and Registry
Map Instructions Document A-60682-04. This is an ad-
dendum to the PK497 manual. Go to the ITLS or ITAS
product pages and search in the Technical Resources
Tab at: www.chromalox.com.
Remote Monitoring
& System Management
Users may monitor as well as adjust the System Pa-
rameters settings of the panel remotely. The files re-
quired for this feature are available to the owner. Due to
the frequent program updates, we ask that you contact
the factory for the most recent release version.
Figure 11
Setup Items
Setup Description
SIO Type
Select the SIO type for communicating with the External Device.
IMPORTANT
In the communications settings, set (SIO Type) correctly according to interface speci-
fications of the Display.
If you select an SIO type that the serial interface does not support, proper operation
cannot be guaranteed.
Refer to your Display Manual for details on the serial interface specifications.
Speed
Select the communications speed between the External Drive and the Display
Data Length
Select a data length
Parity
Select how to check parity.
Stop Bit
Select a stop bit length.
Flow Control
Select the communications control methond to prevent overflow of transmission and
reception data
Communication Settings
To display the setting screen, touch (Device/
PLC Settings) from (Peripheral Equipment Set-
tings) in offline mode.
Touch the External Device you want to set from
the displayed list.
Summary of Contents for IntelliTrace ITAS
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