Aluminum Pg-N; Sg-N - ESAB Precision Plasmarc Installation, Operation And Maintenance Manual For Residential Installation

SECTION 6
6.12.23 Gas Error Monitoring

Aluminum PG-N

, SG-N

2
Process Gas Pressure Switches Process Gas Pressure Switches Process Gas Pressure Switches Process Gas Pressure Switches
Plasma Gas 1 1 1 1 Pressure Switch
Plasma Gas 2 2 2 2 Pressure Switch
Shield Gas 1 1 1 1 Pressure Switch
Shield Gas 2 2 2 2 Pressure Switch
Vision Shift/Start
Section 6.7.7
for details
2
➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒
1
Numbers
Line vent
2
Flow control vent
13
Idle (Station off)
no Station
on?
yes
Process start.
Station on Flush/
Pressure cycle
3
Line Purge
no
Station on?
yes
4
Line fill
Station on?
no
Station on?
no
yes established
5
ready
Process cut
no
Station on?
yes
Plasma stop
New SDP file
yes
selected?
no
Plasma
yes
test?
yes
Station on?
no
Plasma
yes
8
start?
no
Analog
New SDP file
yes
disable
timing?
no
12
Idle (Station On)
Station on?
no
Station on?
yes
New SDP file
yes
selected?
no
Plasma
yes
test?
no
Plasma
no
start?
yes
X = Monitored For Pressure Present,
O = Monitored For Absence Of Pressure
O O O O
O O O O
O O O O
O O O O
#
correspond to columns on solenoid/
proportional valve requirement charts
and gas error monitoring charts
9
Test (start)
6
no
Station on?
yes
Plasma
yes
stop?
New
yes
SDP files
no
selected?
no
Error
yes
condition?
no
Plasma test?
no
yes
no
Plasma test
yes
cut?
Arc
no
?
yes
Plasma test
no
(start O )?
2
7
yes
10
Test (start O
yes
no
no
Station on?
Error
yes
yes
condition?
New
no
yes
SDP file
selected?
no
no
no
Plasma test?
Process
Postflow
yes
Plasma test
yes
cut?
selected?
no
no
Plasma test
no (start O )?
2
no
yes
6-43
TROUBLESHOOTING
11
X X X X X X X X
X X X X X X X X
11
Test (cut)
no
Station on?
yes
New
yes
SDP file
selected?
no
no
yes
Plasma test?
yes
yes Plasma
test cut?
no
)
2
yes
yes
12 13