ICS TRIPLEX T8191 PLC Controller Module Card Transmitter Sensor

Updater Section

If Auto Protect Network Variables is selected, this configures the Trusted System to use a

reduced Modbus Protocol map. See product description PD-8151B (Trusted Communication

Interface Module) for further details.

Inter Group Delay equates to the Modbus update cycle. This is the minimum period

between successive Modbus update messages sent to each of the Communications

Interface Modules. The default value (as shown) is 50 ms which provides a compromise

between latency and performance. Adjustment is made in 32 integer ms increments, i.e. a

value of 33 will equal 64 ms as will 64.This may be increased or decreased as required,

however since only one update message is sent per application scan, and an application

scan may often be more than 50 ms, there is little benefit in adjusting this variable.

Security Section

The above display is also used to configure a password allowing the user to interrogate a

Trusted System using the Windows-based HyperTerminal facility or a similar terminal

program. The password is configured by selecting the New Password button and entering

the new password twice in the displayed dialogue box.

ICS2000 Section

This section only applies to Trusted Systems connected via a Trusted to ICS2000 Interface

Adapter to an ICS2000 system. This allows the data sources for the three mimic tables to be

selected. Please refer to your Trusted supplier for further information