GE VMIVME-4116-050 Remote control module

Measure the voltage across terminals 25 and 26 to be sure there is a minimum of 1.0 Vrms at low limit speed and a maximum of 25 Vrms at rated speed. If the voltage exceeds 25 Vrms, increase the gap of the speed sensor and be sure that there is still a minimum of 1.0 Vrms at low limit speed.This control contains internal current transformers. Due to their low impedance, shorting their inputs is not effective. The current input must be removed from the control and shorted externally.

HIGH VOLTAGE—Never disconnect 

any wire attached to load sensor terminals 4 through 9 when the prime mover is running unless temporary 0.5 Ω, 20 W resistors are installed as shown in Figure 5-1 and all load is removed. The current transformers can develop dangerously high voltages when open circuited while the prime mover is running. 1. Go to the B** DISPLAY LOAD INFO ** service menu and observe 02 LD SENSOR INPUT (KW) and 05 LOAD SIGNAL OUT (VDC) to measure the load sensor output. The displayed values are not yet calibrated to read Kilowatts, but are used here for indication.

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