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Master Station IV EEP-SN4001 FCD LMENIM5010-00-AQ – 03/19

7. DCS SERIAL PORT: RS-232 serial port. If RS-422 or RS-485 is needed, an external converter should be

used. The DCS serial port is conﬁgured as a DTE, DB9 female connector (depending on

the DCS system, a null modem DB9 cable may need to be used for communicating with

this port).

Figure 4.3 – DCS Serial Port Connection: DB9 Female

8. MOV TCP/IP: Ethernet connector for future development (not currently placed). Intended for use with

actuators that are equipped with Modbus TCP/IP add-on adapter.

9. WEB ETHERNET: Ethernet port for future development.

10. USB PORTS: Can be used for updating MSIV software. Note: the rear panel has 3 USB ports physically

installed, but only the top 2 ports are available for the user.

11. DCS TCP/IP: Ethernet port for DCS communications. RJ45 connector. Supports Modbus TCP/IP

protocol as speciﬁed by the Modbus Organization’s “MODBUS MESSAGING ON TCP/IP

IMPLEMENTATION GUIDE V1.0b” publication.

Flowserve MASTER STATION IV EEP-SN4001 User Manual

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