MAWA-050A
1. Overview
1-6
Protecting functions
Emergency
stop
EM input circuit
Main power supply shut-off, welding current
stop and starts prohibition
Overcurrent
protection
Primary current
detection
Welding current stop (peak: approx. 30 A)
Fuse: 15 A
Temperature
protection
Internal
temperature
detection
Welding current stop and start prohibition
Start signal
ON
Start signal ON
detection during
starting
Start prohibition
Self-diagnosis
error
Set data
diagnosis
Start prohibition
WELD NG
Monitor judgment
NG
Start prohibition
(Function ON/OFF is settable.)
COUNT UP
Preset count over Start prohibition
(Function ON/OFF is settable.)
MEMORY
Flash memory
error
Start prohibition
Input/output signals
Inputs
START
Welding start (Established time 1 ~ 100 ms is
settable.)
RESET Error
reset
SCH1/2/4/8/16/32 Condition input
PARITY
Parity (Function ON/OFF is settable.)
WELD STOP
Welding interruption
PURGE
Gas flow ON/OFF (*7)
EM1/2 Emergency
stop
TORCH SELECT Torch selection input terminal
WELD ON
Welding current output ON/OFF
IN1/2
User input terminal
INT24V
24 V output
OV/24V
Power supply for flow sensor
Contact rating: +24 V DC/approx. 10 mA, EM1/2 is the
non-voltage c24 V DC/30 mA
Outputs
GOOD
Welding OK
(settable in the range of 1 ~ 200 ms)
NG
Welding NG
(settable in the range of 1 ~ 200 ms)
END
Termination
(settable in the range of 1 ~ 200 ms)
ERROR Error
E.STOP
Emergency stop (*8)
SYNC
Welding tine synchronism
(independent common)
OUT1/2/3/4/5/6/7 Output allocated to user
WIRE START
Brazing wire supply start signal
Contact rating: +24 V DC/100 mA
