Woodward DSLC-2 - Modbus Visualization Data

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Manual 37443A DSLC-2 - Digital Synchronizer and Load Control

Page 188/226 © Woodward

Visualization

The visualization over Modbus is provided in a very fast data protocol where important system data like alarm

states, AC measurement data, switch states and various other information may be polled. According to the

DSLC-2 / MSCL-2 Modbus addressing range, the visualization protocol can be reached on addresses starting at

450001. On this address range it is possible to do block reads from 1 up to 128 Modbus registers at a time.

Modbus Read

Addresses

Description

Multiplier

Units

450001

Protocol-ID, always 5200

450002

Scaling power

............

.........

.....

............

.........

.....

............

.........

.....

............

.........

.....

450171

Remote load reference

input

0.1

Table 10-3: Modbus - address range block read

NOTE

Table 10-3 is only an excerpt of the data protocol. It conforms to the data protocol 5200 that is also

used by Ethernet. Refer to “Data Protocol 5200“ on page 206 for the complete protocol.

The following ModScan32 screenshot shows the configurations made to read the visualization protocol with a

block read of 128 registers.

Figure 10-2: Modbus - visualization configurations

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