Toshiba TOSVERT VF-MB1, Instruction Manual

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E6581697
F-94
6
6.25 Forced fire-speed control function
f650
: Forced fire-speed control selection
f294
: Preset-speed frequency 15

Function
Forced fire-speed control is used when operating the motor at the specified frequency in case of an
emergency. Two kind of operation are selectable by assignment of terminal board function.
(1) Input terminal function 56 (FORCE) : Input signal is kept to hold once signal is ON.
Motor runs at the speed set by the parameter
“ f294 ”
.
Motor does not stop as possible as when the trip is occurred.
Note: This case needs to power off in order to stop
(2)Input terminal function 58 (FIRE) : Input signal is kept to hold once signal is ON.
Motor runs at the speed set by the parameter
“ f294 ”
.
Note: This case needs to power off or input terminal function (emergency stop) in order to stop.
[Parameter setting]
Title Function Adjustment range Default setting
f650
Forced fire-speed control selection
0: Disabled
1: Enabled
0
f294
Preset-speed frequency 15 ll-ul (Hz)  0.0
[Setup example of the forced operation input terminal]
When the terminal “RES” is assigned.
Title Function Adjustment range Setting value
f113
Input terminal selection 3A (RES) 0 - 203 56 ( Forced run operation )
f113
Input terminal selection 3A (RES) 0 - 203 58 ( Fire speed operation )
Each setting value 57, 59 are reverse signal.
+
“
fire
” and output frequency are blinking during forced run operation and fire-speed operation.