Flowserve Limitorque Master Station III User Manual
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Limitorque Master Station III FCD LMENIM5001-02 – 12/13
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6. Hot Standby unit main power switch and connector for 120 – 240 VAC.
7. Auxiliary 24 VDC power connection for Hot Standby.
8. Hot Standby DCS Port. DB-9 Female connector. Port may be RS-232 or RS-422 or RS-485. Each
electrical standard uses a different wiring convention.
9. Network Connections- Channel A and B. Connections for the network wiring for channels A and B.
See Tables 4.1 and 4.2 below for connection details.
NOTE: Each module (Main or Hot Standby) can support any combination of the two power inputs (Main
120-240 VAC, 24 VDC).
Table 4.1 - Network Channel A Connection
Connector
MX/QX
UEC-3-DDC
DATA-A1 (+)
13
TB4 D-S
DATA-A1* (-)
14
TB4 D-S*
Shield
N/C
Table 4.2 - Network Channel B Connection
Connector
MX/QX
UEC-3-DDC
DATA-A2 (+)
5
TB3 D-M
DATA-A2* (-)
4
TB3 D-M*
Shield
3