Toshiba Tosvert VF-S15 Instruction Manual page 386

Industrial inverter
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6. Motor PTC thermal protection
Set a parameter f147 and lower slide switch of SW2 to PTC side, when S3 terminal is used as PTC input terminal.
f147 : Logic input / PTC input selection (S3)
f645 : PTC thermal selection
f646 : Resistor value for PTC detection
• Function
This function is used to protect motor from overheating using the signal of PTC built-in motor.
The trip display is "e-32".
[Parameter setting]
Title
f147 Logic input / PTC input selection (S3)
f645
PTC thermal selection
f646
PTC detection resistor value
Note : Protecting PTC thermal, set f147=1 (PTC input) and slide switch SW2 to PTC side.
● Tripping level is defined by f646 setting. Alarm level is defined by 60% of f646 setting.
● Connect the PTC between S3 and CC terminals. Detection temperature can be set by f646 setting.
[Connection]
PTC
● Output of PTC input alarm signal
The PTC input alarm is assigned to the output terminal by setting the parameter of the output terminal selection
function to 150 or 151.
7. Other
Please contact where you purchase the inverter, your Toshiba sales representative, if you need the hard copy (paper) of
CD-ROM. Or please contact to phone number of back cover.
Function
0: Logic input
1: PTC input
1: Tripping
2: Alarm only
100-9999 (Ω)
S3
CC
Q-15
Adjustment range
Default setting
E6582175
0
1
3000
17

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