5. DESCRIPTION OF FUNCTION VM-5S
-20-
5-4 FIRSTOUT DISPLAY
Causes the lamp of the speed relay that is output first to flash. Also performs comparison with the
alarms of other monitors if installed in the VM-5H3, VM-5W1 instrument rack.
For details refer to 7. PARAMETER SETTING on page 26.
• A lamp set flashing by the First-out Display function cannot be reset by pressing the
RES (RESET) key. (Reset by shorting between the RES and COM terminals.)
• Firstout Display function is not available if 4-point relay output was specified for
CH1.
5-5BYPASS FUNCTION
Used to disable speed relay output while setting the speed relay parameters, or during
maintenance/inspection work. The speed relay BYPASS lamp flashes or lights during this
operation. Set by turning the BYPASS switch to ON.
• While BYPASS FUNCTION is in operation, the machine is not protected.
5-5-1 DANGER BYPASS
Cuts off SPEED RELAY contact output (SR2, SR4). While cut off, the SPEED RELAY (SR2,
SR4) and BYPASS lamps are flashing. This function is activated by means of the DANGER
BYPASS switch. For details refer to 7. PARAMETER SETTING on page 26.
• If mounted in the VM-5H3 or VM-5W1 Instrument Rack, all units in the instrument
rack can be set collectively to DANGER BYPASS.
For details refer to VM-5H3 or VM-5W1 Instrument Rack instruction manual.
5-5-2 CH1 BYPASS
SPEED RELAY1,2 output, OK alarm, display and recorder output of CH1 are cut off. While cut
off, the OK lamp goes off and the BYPASS lamp lights.
This function can be activated by means of the CH1 BYPASS switch.
For details refer to 7. PARAMETER SETTING on page 26.
5-5-3 CH2 BYPASS
SPEED RELAY3,4 output, OK alarm, display and recorder output of CH2 are cut off. While cut
off, the OK lamp goes off and the BYPASS lamp lights.
This function can be activated by means of the CH2 BYPASS switch.
For details refer to 7. PARAMETER SETTING on page 26.
5-6 POWER ON TIMER MODE
Operates for approx. 5sec. to 1/((pulse/rev × speed relay set value)/60)+αsec. after the power is
turned on. In this mode, all alarm functions are disabled and the BYPASS and OK lamps flash.
Warning
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