Toshiba VF-AS1 Welding System User Manual


 
E6581301
F-69
6
6.33.26
Disconnection detection of remote keypad
H
HH
H
: Disconnection detection of remote keypad
• Function
Added the operation selection when the extended panel option (RKP002Z (LED), RKP004Z (LCD)) cable is broken.
If you want to stop the inverter when the disconnection detected, set
H
=0.
Title Function Adjustment range Default setting
H
Disconnection detection of remote
keypad
0
Disconnection detection (GTT trip)
1
No disconnection detection
(retain operation command)
6.34 Override
H
HH
H : Override addition input selection
H
HH
H : Override multiplication input selection
• Function
These parameters are used to adjust reference frequencies by means of external input.
Title Function Adjustment range Default setting
H
Override addition input
selection
[Hz]
:Disabled
:VI/II (voltage/current input)
:RR/S4 (potentiometer/voltage input)
:RX (voltage input)
:Operation panel input enabled (including LED/LCD option
input)
:2-wire RS485 input enabled
:4-wire RS485 input enabled
:Communication option input enabled
:Optionl AI1 (differential current input)
:Optionl AI2 (voltage/current input)
:Motor operated pot mop setting
:Optionl RP pulse input
:Optionl high-speed pulse input
:Optionl binary/BCD input

H
Override multiplication
input selection
[%]
:Disabled
:VI/II (voltage/current input)
:RR/S4 (potentiometer/voltage input)
:RX (voltage input)
:H
:Optionl AI1

The override functions calculate output frequency by the following expression:
Frequency command value × (1+ )+Value [Hz] selected with H
1) Additive override
In th1is mode, an externally input override frequency is added to operation frequency command.
[Ex.1: RR/S4 (Reference frequency), VI/II (Override input)] [Ex.2:RX (Reference frequency), VI/II (Override input)]
Output frequency
Over-ridden frequency
Override
(VI/II input)
0
10V
Over-ridden frequency
HJ
Override
(VI/II input)
0
10V
HJ
RR/S4 input
(Reference
frequency)
(
)
RX input
(Reference
frequency)
(
)
Output frequency
Reverse run
Forward run
Value [%] selected with H
100