Toshiba TOSVERT VF-S15 series User manual

E6581875
TOSVERT VF-S15
Shock monitoring function Instruction Manual

E6581875
- Contents -
1. Introduction .................................................................................................. 2
2. Shock monitoring function.......................................................................... 2
3. Setting and operation of shock monitoring function................................ 3
3.1 Related parameters......................................................................................................... 3
3.2 Operation......................................................................................................................... 3
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1. Introduction
TOSVERT VF-S15 is equipped with shock monitoring function.
In case output current or torque exceeds or lowers the set level for a certain amount of time, the inverter
outputs the alarm signal from output terminals or trips (inverter stops). Temporary change in current or
torque can be eliminated from detecting conditions.
Shock monitoring function enables monitoring the load side and protecting the equipments in case of load
abnormality including the detection of excessive loading of conveyors and breakage of conveyor belt.
2. Shock monitoring function
When output current or torque exceeds or lowers the set level for a certain amount of time, shock
monitoring function outputs alarm signal from the output terminals or the inverter trips.
Over-torque trip/ alarm and small current trip/alarm have similarly functions as the shock monitoring
functions. The difference is as described below;
Shock monitoring function Over-torque trip/ alarm Small current trip/ alarm
Main parameters f590
(Shock monitoring) f615 (Over-torque trip/
alarm selection)
f610
(Small current trip/
alarm selection)
Subject of detection:
torque/ output current Torque detection or output current detection are
selectable
Torque detection Output current detection
Detection method Over-current/ torque or
Low-current/ torque are
selectable
Over-torque Low-current
Action at detection Trip or alarm are selectable
Detection level 0-250(%) 1-250 (%) 0-150 (%)
Detection time 0-10.0 (s) 0-10.0 (s) 0-255 (s)
Detecting conditions -Detection waiting time
can be set at start-up
-Always detecting or
during operation except
acceleration/deceleration
are selectable *
Always detecting Always detecting
* Temporary change in output current or torque at start-up or acceleration/ deceleration can be eliminated
from detecting conditions.
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3. Setting and operation of shock monitoring
function
3.1 Related parameters
Set items and conditions of detection using parameters.
Title Function Adjustment range Default setting
f590 Shock monitoring 0: Disabled
1: Current detection
2: Torque detection 0
f591 Shock monitoring trip/alarm
selection 0: Alarm only 1: Tripping 0
f592 Shock monitoring detection
direction selection 0: Over-current/ torque detection 1: Low-current/ torque detection 0
f593 Shock monitoring detection level 0-250 (%) 150
f595 Shock monitoring detection time 0.0-10.0 (s) 0.5
f596 Shock monitoring detection
hysteresis 0-100 (%) 10
f597 Shock monitoring detection start
waiting time 0.0-300.0 (s) 0.0
f598 Shock monitoring detection action
selection
0: During operation
1: During operation (except acceleration/
deceleration) 0
3.2 Operation
1) Over-current/ torque detection
<Example>
Select object of detection with f590: f590=1(Current detection), 2(Torque detection)
f591=0(Alarm only)
f592=0(Over-current/ torque detection)
Output terminal function: 182 (SUPA) Shock monitoring pre-alarm signal
less than
f595 f595
OFF ON OFF
Alarm signal output
f593
f593-f596
Output current/ torque (%)
When setting f591=1(Tripping), inverter trips after low-current/ torque is detected for the period of
time set with f595. Then, alarm signal remains ON.
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2) Low-current/ torque detection
<Example>
Select object of detection with f590: f590=1(Current detection), 2(Torque detection)
f591=0(Alarm only)
f592=1(Low-current/ torque detection)
Output terminal function: 182 (SUPA) Shock monitoring pre-alarm signal
less than
f595 f595
OFF
ON
OFF
Alarm signal output
f593
f593-f596
Output current/ torque (%)
When setting f591=1(Tripping), inverter trips after low-current/ torque is detected for the period of time
set with f595. Then, alarm signal remains ON.
3) In case of setting f597 and f598
Waiting time until shock monitoring detection after start-up (after operation command is on) can be set
by f597 (Shock monitoring detection start waiting time).
If eliminating the time during acceleration/ deceleration from detecting conditions, select f598
(Shock monitoring detection action selection) =1.
<Example>
f598=1, f597=5(s), and acceleration exceeds 5 seconds.
ON
ON
f597 f595
Operation command
Alarm signal output
Output frequency (Hz)
f593
Output current/ torque (%)
* In case of less than f595, and the inverter is in acceleration/ deceleration status or over-current stall
during detection activates, detection time will be reset.
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<Example>
f598=1, f597=15 (s), and acceleration continues for less than 15 seconds.
ON
ON
f597 f595
Operation command
Alarm signal output
Output frequency (Hz)
f593
Output current/ torque (%)
* In case of less than f595, and the inverter is in acceleration/ deceleration status or over-current stall
during detection activates, detection time will be reset.
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