Emerson EIM E796 M2CP - Section 4: Limit Switch Setting Instructions; 4.1 Before making limit switch setting; 4.2 To set Open Limit Switch (LSO)

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Installation and Maintenance Manual
E2K-402-0817 Rev. 2 August 2017
Limit Switch Setting Instructions
Section 4: Limit Switch Setting Instructions
4.1 Before making limit switch setting
1. Move valve to mid-position (use handwheel).
2. Phase the power (motor) voltage and make sure that open contactor moves valve
Open and close contactor moves valve Closed.
DANGER:
Improper power voltage phasing eliminates protection of both position limit switch and
torque switches, risking valve damage.
4.2 To set Open Limit Switch (LSO)
1. Open valve during handwheel operation note rotation direction of screwdriver
(Fig. 6) in LSO Adjusting Shaft. After valve is fully Open, Close it three handwheel
turns to allow for coasting when motor is actuated.
Figure 6
Section 4: Limit Switch Setting Instructions