Flowserve Limitorque Master Station III - Manual (Page 40)

Limitorque Master Station III FCD LMENIM5001-02 – 12/13
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DCS Address: DCS address of the Master Station III unit.
Timeout: Defines the maximum acceptable response delay time from the MSIII after request sent
by Master.
Parity: Error checking option for serial communication.
Electrical: Serial standard interface.
Baud Rate: Communication rate in bits per second.
These values are dependent upon the message reply length as well as the poll rate.
8.2.5.2 Ethernet Port
The Ethernet port assigned to the control system’s Host device, is configured via the Configure
Ethernet Port screen (Figure 8.21) to communicate via Modbus TCP/IP. Simply set the desired
IP address, mask, and gateway and then save entries. Please note that each Master Station
processing module must be configured with a unique IP address, mask, and gateway.
Touching each octet on the configuration screen will allow the user to enter the address.
Figure 8.21 - Configure Ethernet Port
NOTE: Use port 4502 for Modbus communications.
8.2.5.3 Configure Data Table
The Master Station data table is configurable for the Modbus Function codes 02, 03, 05/15,
06/16. The Modbus function code 01 has a fixed data table and does not permit user alteration.
The data tables are edited by using the Configure DCS Data Table menu (Figure 8.22).
Figure 8.22 - Configure DCS Data Table