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Shenzhen HYDTHC XPTHC-300-3 User manual

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XPTHC-300-3
Arc Voltage Plasma Height Controller
User Manual
Shenzhen HongYuDa CNC TECH Co.,LTD
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-2-
Thanks for choose HYD products!
SAFETY：(Note:XPTHC-300-3 use AC24V or DC20-36V power supply !)
Please
read this manual fully before use XPTHC-300-PT
DO NOT open cabinet of THC unless trained technician.
DO NOT adjust the sealed resister.
Turn off Power supply if when THC is unused.
DO NOT put liquid on THC.
Attention Anti-dust work, DO NOT let metal dust into THC.
GND Must follow THC instruction, GND resister≤1Ω.
UP/DOWN on THC must be same to Z-axis Lifter
Plasma arc voltage must connect with voltage divider, plasma work + must connect
with workpiece.
DO NOT install the THC in the place of heat source, the normal working temperature of
the regulator is between -10 ~ 60 ℃℃。
To Customer：
We only supply to re-seller as CNC cutting machine manufacturer, engineering
company… end-user please contact our local distributor for product supplying.
We offer technical support to all distributors and users of our product.
。
IMPORTANT NOTE
：
All our THCs have been tested on CNC cutting machine in our workshop before
delivery, all commissioning work was done. Please DO NOT change the setting
without informing your supplier.
ShenZhen HYD CNC Technology CO.,LTD
2016-08-01
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-3-
目 录
1.Brief Intro ....................................................................................................................................................... 4
1.1 Product name and model ...................................................................................................................... 4
1.2 Application ........................................................................................................................................... 4
1.3 Basic parameter .................................................................................................................................... 4
1.4 Components (as Figure 1-1) ........................................................................................................... 5
1.5 Installation size (mm) .......................................................................................................................... 6
1.6 Basic Functions of XPTHC-300-3 .................................................................................................. 6
1.7 THC Work Flow ................................................................................................................................... 7
1.7.1 Wok with IHS ............................................................................................................................ 7
1.7.2 Work without IHS ..................................................................................................................... 8
2. XPTHC-300-PT Function and set .................................................................................................................. 8
2.1 XPTHC-300-3 operation panel ............................................................................................................ 8
2.2XPTHC-300-3 Parameter Setting and Alarm Diagnose ..................................................................... 11
2.3 Parameters details .............................................................................................................................. 12
2.4 Alarm codes details ............................................................................................................................ 14
2.5 XPTHC-300-3 Sensitivity and Motor Plug-Braking Setting ............................................................. 15
3. XPTHC-300-3 interface connectors ............................................................................................................ 16
3.1 POWER........................................................................................................................................... 17
3.2 TO TORCH ..................................................................................................................................... 17
3.3 TO CNC .......................................................................................................................................... 18
3.4 XPTHC-IHS controller connector（1X2） ................................................................................... 19
3.4.1 IHS SELECT ....................................................................................................................... 19
3.4.2 Isolation voltage divide ........................................................................................................... 21
四 XPTHC-300-3 Wiring diagram ................................................................................................................. 22
4.1 wiring diagram ................................................................................................................................... 22
五 trouble and advise ...................................................................................................................................... 23
5.1 common troubles ................................................................................................................................ 23
5.2 some advise: ....................................................................................................................................... 24
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-4-
1.Brief Intro
1.1 Product name and model
XPTHC-300-3
Arc voltage torch height controller
1.2 Application
XPTHC-300-3 supports almost all plasma cutters on market like Hypertherm, Thermal Dynamics…
And it supports all CNC cutting controllers on market like Hypertherm, Burny industrial level controllers or
Mach3 such DIY controllers, because XPTHC-300-3 can start Auto Height control with or without Auto
enable signal from CNC. But with Auto enable/disable signal from CNC, THC would work better.
1.3 Basic parameter
¾ Input power: DC24V 10% & AC24V 10%，50Hz/60Hz 。
¾ Up/Down motor: DC24V DC MOTOR
¾ Motor Drive: PWM
¾ Output Current: 1A-4A，Max capacity: 100W
¾ Working temperature: -10∽60℃。
¾ IHS: Proximity switch IHS & Retaining cap IHS
¾ Run transmission mode: Output the successful signal when the arc voltage is detected.
¾ Voltage Divide ratio: 50:1
¾ Control accuracy: ±1V∽±2V (related to lifter and motor voltage )
¾ Size: length *width *height 272mmX225mmX80mm
¾ The speed of lifting: 800mm/min∽4000mm/min（recommend 2500mm/min）
¾ Setting Arc Voltage arrange: 30V∽250V, According to different applications
¾ Overload Protection Mode: PWM mode with overload protection.
¾
Test Max cutting speed : 24000mm/min (Related to customer’s lifter voltage ,speed and
sensitive setting. )
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-5-
1.4 Components (as Figure 1-1)
XPTHC-300-3 includes follow parts
A、XPTHC- 300-3 Control module,
B、XPTHC-IHS Controller,
C、Proximity switch (For proximity switch IHS only)
D. cables
XPTHC-300-3 Control module*1
XPTHC-IHS controller*1
NPN-NO-2mm Proximity switch*1 HV retaining cap cable*1( Optional )
Figure 1-1 XPTHC-300-3
Components（not attached the picture of cables ）
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-6-
1.5 Installation size (mm)
Figure1-2 Control module installation size
Figure 1-2 XPTHC-IHS installation size
1.6 Basic Functions of XPTHC-300-3
Auto Initial Height Sensing(IHS), Dual speed IHS :
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-7-
When XPTHC-300-3 auto IHS , it use Dual speed IHS. It automatically calculates the fast-falling delay
according to the rising delay set by the P8 parameter, then switch to slow down. After the positioning signal is
detected, the torch will rise rapidly and finish IHS. Dual speed IHS can better protect the torch, and can improve
the positioning accuracy. When the P8 parameter set less than 6 , Dual speed IHS cancel.
Proximity Switch HIS :
XPTHC-300-3 use NPN Proximity Switch , In normal operation, the switch is in contact. The proximity switch can
be replaced with a contact switch also. In any state ,when the torch touch plate and when detection circuit
action , XPTHC-300-3 will control the torch in IHS position. The distance between torch and plate , can be
setting by “IHS HEIGHT” key. If the proximity switch in dis-contact state, THC will control torch rise up rapidly ,
until to up limit , in the same time will have collision signal. The proximity switch with anti-collision function.
Retaining cap IHS :
Use retaining cap IHS require plasma with metal retaining cap. During IHS process, according to torch touch plate
triggering signal. After THC receiving the signal, will control torch rise up to IHS position. This function requires
the user to choose when ordering.
Setting Arc volt and Actual Arc volt monitoring function:
Before arc start, the display shows set arc.
After send arc start signal and detected the arc signal, display shows Actual volt according to pierce delay.
Complete cutting the torch lifting automatically:
When cnc controller closed cutting signal, THC will control the torch rise up time (P8 parameter setting), will
protect torch when torch empty run.
Arc enable output (Pierce complate output)：
Set Button “PERICING HEIGHT” set Pierce delay time, to delay output this signal. The signal is detected by
detecting whether there has a arc signal, The output signal is the relay switch output . Output by CNC sockets
PIN6 and PIN8. PIN8 is COM.
Automatically operation:
After CNC controller send start cutting singal, THC will finish IHS automatically----Arc start----Detected
Arc----Pierce delay----Pierce finished. After CNC controller received pierce finished signal, will control machine
start cutting until cutting end.
Torch Anti-Collision Function :
We designed Touch-Up circuit for Anti-Collision Function. No matter it is on Auto Control Model or Manual Control
Model, when torch head touches the workpiece, THC would automatically lift torch up to IHS height. So with
XPTHC-300-3 even in Manual Control Mode, user no needs to worry about torch head crashing.
1.7 THC Work Flow
1.7.1 Wok with IHS
When CNC send out Arc Start Signal(IHSARCON), THC starts with IHS, then send Arc Start Signal to plasma,
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-8-
after plasma start, THC delay lead in arc voltage from plasma( set pierce delay time), THC send Arc
Feedback(arc ok) Signal to CNC to start Cut after arc voltage lead in. If THC is on Auto Model, and CNC Auto
Control enabled, then cutting is under THC Auto control.
1.7.2 Work without IHS
When CNC send out Arc Start Signal (EXARCON), THC starts without IHS, lifts torch to the set height
(set via button SET-IHS), then send Arc Start Signal to plasma, after plasma start, THC delay lead in arc
voltage from plasma ( set pierce delay time), THC send Arc Feedback(arc ok) Signal to CNC to start Cut
after arc voltage lead in. If THC is on Auto Model, and CNC Auto Control enabled, then cutting is under
THC Auto control.
Generally we don’t suggest customer use work without IHS!!!
2. XPTHC-300-PT Function and set
2.1 XPTHC-300-3 operation panel
Arc status display Piercing height Piercing delay
Parameter specification Status lights IHS height UP
Arc-voltage Dynamic/MENU IHS/ENTER
Auto/Manual ARCON/SET DOWM
Figure 2-1 Details of
operation panel
Arc Voltage Status display：
Before Arc Start it shows the Set Arc Voltage, after it shows the Actual Arc Voltage.
Adjust Buttons：
Set Arc Voltage:
Based on the thickness of steel plate being cut and cutting speed, it shall be set according to the parameter
offered by Plasma, and it will be showed on operation panel. Set Arc Voltage decides the distance between Torch
and workpiece during cutting, the higher the arc is, the higher the Torch Height will be. On Auto mode, adjust the
Set Voltage means adjusting the Torch Height.
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深圳市宏
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深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-10-
In parameter setting“P”state, press“MENU”key，save all parameter，parameter setting .
ARCON / SET：
Have two test states：
1、 Arcon test：In halt state, press this key to arc start for plasma , after 3 secs it will be
close.
2、 Press 2 secs is effective, do IHS firstly，then arc start and change to actual arc voltage.
After 3 secs end.
UP / DOWN：
1. In halt state use for control torch UP and DOWN movement.
2. In AUTO state use for change the arc voltage in the same time change the torch’s height .
Press once time will change 1V .
In parameter state, use for change parameter number and parameter value.
LED lights：
UP_LIMIT: Torch move to UP limit position the light will be ON
DN_LIMIT: Torch move to down limit position the light will be ON
Collision：When THC detected torch touch to workpiece, the light will be ON. The collision
signal send by retaining cap or proximity switch. The THC get collision signal, will control torch
move UP. NOTE: IN IHS process, this light twinkle one time is normally.
UP：Turn on when torch lift up.
DOWN：Turn on when torch lift down.
IHS：Initial Height light. When THC in IHS process the light will be ON.
ARCON：Turn on when THC sends arc start signal out. If arc start with IHS enable, this indicator is off until
IHS completed.
AUTO：
On means THC is on Auto Mode, off means on manual mode . The lead on must the three
conditions have to be completed: 1, CNC Auto Height Control (THC) enables; 2, THC is on Auto Model; 3, arc
voltage has been lead in THC;
TRANS：Turn on when THC receives arc feedback signal, and sent out Arc OK signal to CNC.
Note
A、When THC on Auto Mode, the 5 indicators all should be ON, if anyone is OFF,that means Auto
Mode failed, please check the reason according to indicators.
B、 The indicators on Operation panel, demo THC from Torch down—Touch workpiece—arc
start---arc feedback---Auto on, please check the failure reason from the one by one steps.
In halt state, UP and DOWM key is usefully for control torch up and down movement.
After arc start, press MENU use for monitor setting Arc voltage , press UP and DOWM
use for change setting Arc voltage or Raw arc voltage . Can be enter into “parameter
setting” in halt state only.
Note : method to download the defult specifics : press “AUTO” and “MENU”at the same time ,
then press “IHS”
地
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unit：10ms
range：00~6
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unit：10mS
range：05~9
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26729960
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C
.
s
paramet
e
t
ing. It’s set
Such as
i
cess, then i
t
s
IHS heigh
operation
p
c
h.
height is fo
r
p
rotect the t
o
W
hen set “
0
s
for the cut
w
hen set “
1
w
hen the T
H
a
nd take th
e
a
rc voltage
d
r
equired the
s
etting spe
e
he at the I
H
u
sed for be
v
D
uring the c
a
nd “DOW
N
s
ample, the
d
uring the w
imit Norm
a
closed.
n the conn
meter’s s
e
n_limit LED
c
orner logi
open au
t
e
：This sign
a
深圳市宏
宇
5
-26625800
and Descri
p
mode effe
c
it can be
nge the set
t
n
ds the arc
s
the lead i
n
the anti-int
e
e
r is also
via the time
i
f it needs
t
should be
t can be ge
p
anel. It rela
t
r
the plasm
a
o
rch consu
m
0
”, the setti
n
ting height
d
1
”, via the
H
C is open
e
e
actual arc
d
uring auto
w
CNC with
e
d to open t
H
S height d
u
v
el cutting.
utting, it co
u
N
” to cha
n
cutting hei
g
hole cutting
a
lly open；
ection is n
o
e
tting, then
light will be
c close a
u
t
o
a
l needs to
宇
达数控
技
FAX：0755
-
p
tion
c
tive. Set a
a
adjusted b
t
ing arc volt
a
s
tart signal
t
n
arc voltag
e
e
rference f
u
for dynas
of the Arc
s
3s for the
set to 30.
t from the I
H
t
es to the s
p
a
arc piercin
g
m
ables.
n
g arc volta
g
d
uring auto
w
CNC’s cor
n
e
d the AUT
O
voltage as
t
w
ork. In this
high speed
he auto m
o
u
ring cutting
u
ld be adju
s
n
ge the a
r
g
ht won’t b
e
work until l
o
1： limit
o
t match t
o
the UP
_
turned on.
u
to; 1: co
r
be matched
技
术有限公
-
26729960
a
rc voltage
y “UP” or
a
ge during
t
o plasma,
e
to THC,
u
nction to
tic pierce
s
tart to Arc
Arc start
H
S test on
p
eed of the
g
’s height,
g
e by “P1”
w
ork.
n
er signal,
O
function,
t
he cutting
mode, it’s
up to the
o
de, this is
, it can be
s
t the “UP”
r
c voltage
e
changed
o
ose Arc.
Normally
o
the “P6”
_
limit and
r
ner logic
with CNC
司
地
址
址
：深圳市
南
t
h
a
c
p
s
l
o
C
I
南
山区中山园
orch lift
h
eight
a
fter
c
utting
p
roximity
s
witch IHS
o
gic
C
ontact
HS
路 1001 号
E
1
0
0
E
4-6C(TCL
国
S
0
~
0，
0,
国
际 E 城)
-13-
setti
n
~
5
torc
h
Ran
g
1 0：l
o
If u
s
If u
s
(N
O
1
0：
1：
n
TEL：075
5
n
g
h
lift heigh
t
g
e：0~5s
o
w level eff
e
s
ing the
N
“P9” sh
o
s
ing the
N
“P9” sh
o
O
: normally
cap retaini
n
n
ozzle IHS,
深圳市宏
宇
5
-26625800
t
after cutti
n
e
ctive，1: hi
N
PN(NO) p
r
o
uld be “1”
;
N
PN(NC) p
r
o
uld be “0”
open; NC
n
g IHS, it s
it should b
e
宇
达数控
技
FAX：0755
-
n
g
gh level eff
e
r
oximity s
w
;
r
oximity s
w
: normally
hould be “
0
e
“1”.
技
术有限公
-
26729960
e
ctive.
w
itch, the
w
itch, the
closed.)
0
”
司
地
址
2.4
A
Ala
r
cod
e
址
：深圳市
南
A
larm cod
r
m
e
D
e
C
o
ti
o
C
o
si
g
P
r
N
o
d
e
th
e
v
o
O
v
e
C
o
w
a
南
山区中山园
es details
e
scription
o
mmunica
o
n erro
r
o
rner
g
nal
r
oblem
o
t
e
tected
e
Arc
o
ltage
v
e
r
-voltag
protection
o
llision
a
rning
路 1001 号
E
Alarm rea
s
The cable
s
panel and
are with c
o
Check th
e
Corner sig
If incorre
c
alarm wh
e
Don’t det
e
from volta
g
The actua
l
than the s
e
cutting
If the pro
x
before cu
t
means th
0.2s will
Meanwhil
e
signal to
C
E
4-6C(TCL
国
Alarm c
o
s
on
s
between
t
the THC c
o
o
nnection p
r
e
connectio
n
nal if corre
c
c
t, it will b
e
e
n arc start
o
e
ct the arc v
g
e divider d
u
l
arc voltag
e
e
tting arc v
o
x
imity swit
c
t
ting or duri
ere’s colli
s
have the
e
send out
C
NC.
国
际 E 城)
-14-
o
de instr
u
t
he operatio
o
ntrol modul
r
oblem
n
and set
o
c
t or not.
e
with “E
2
o
r IHS
oltage sign
a
u
ring cuttin
g
e
is over 50
V
o
ltage durin
c
h is active
ng cutting,
s
ion, if ov
e
E5 alar
m
the collisio
TEL：075
5
u
ction
Solutio
n
e
1、 Con
che
c
2、 Che
corr
e
3、 Circ
4、 Will
o
f
2
”
Change
it could
please
c
It’ll be s
work st
a
a
l
g
.
1、 Che
volt
a
2、 Che
Volt
a
3、 Wh
e
will
off
t
4、 It’ll
b
at t
h
V
g
1、 Sett
2、 The
ple
a
3、 The
TH
C
4、 Pla
s
etc.
5、 It’ll
b
nor
m
it’ll t
u
d
it
e
r
m
.
n
1、 Che
con
n
2、 Pro
x
new
3、 It
m
can
c
che
c
深圳市宏
宇
5
-26625800
n
nect the
c
king the if i
t
cking the
e
ct or not;
uit board fa
u
be solved
a
the CNC a
u
n’t be cha
c
hange the
“
olved when
a
tus.
ck the co
a
ge divider
t
ck the co
a
ge divider
t
e
n E3 alar
m
lift to the
s
t
he arc sta
r
b
e solved w
h
h
e stop-wor
k
ing arc volt
a
Dynastic p
i
a
se decreas
e
auto sign
a
C
too early
s
ma proble
m
b
e solved
a
m
al. It does
n
u
rn off the
A
cking the
n
ection;
x
imity swit
c
one
m
ust press
t
c
el the “
E
c
ked ok.
宇
达数控
技
FAX：0755
-
cables
w
t
’s poor con
wiring c
o
u
lt;
a
fter correct
u
to/corner s
i
nged from
“
P7” param
e
set correc
t
nnection b
t
o Plasma
nnection b
t
o THC
m
after 3
S
s
etting hei
g
r
t automati
c
h
en the sig
n
k
status.
a
ge is too lo
w
i
erce heigh
t
e
“P4” para
m
a
l is send f
r
m
, plasma
c
a
fter the ar
n
’t affect th
e
A
UTO statu
s
Micro swi
t
c
h problem
,
t
he “MEN
U
E
5”alarm a
f
技
术有限公
-
26729960
w
ell again
tact or not;
o
nnection i
connection.
i
gnal logic. I
CNC, the
n
e
ter on THC
t
at the Sto
p
etween th
e
etween th
e
S
, the torc
h
g
ht, and cu
t
c
ally.
n
al is corre
c
w
t
is too high
m
eter value
r
om CNC t
o
c
onsumable
s
c voltage i
s
e
cutting, bu
s
.
t
ch and it
s
,
change
a
U
” button t
o
f
ter all ar
e
司
,
f
f
n
.
p
e
e
h
t
c
t
,
o
s
s
t
s
a
o
e
地
址
2.5
to a
wh
e
is a
XP
T
PC
B
But
址
：深圳市
南
XPTHC-3
0
The sensiti
The sensiti
djust the T
H
Note： If
s
Sensitive
s
e
n it is arou
n
Sensitive
m
suitable lift
e
T
HC-300-3
B
board at s
As Figur
e
as device a
R501, sen
s
adjustment,
increase
clockwise,
decrease
counte
r
-clo
c
南
山区中山园
0
0-3 Sensi
t
vity of XPT
H
ve of THC
d
H
C sensitive
s
ensitive is
t
s
hould be
s
n
d 1-3V, if o
v
m
atters to t
h
e
r for XPTH
C
adopts re
v
uitable ran
g
e
2-3, the re
v
ging, stabili
t
s
itivity
on
on
c
k
路 1001 号
E
t
ivity and
M
H
C-300-PT
c
d
ecides the
c
for differen
t
t
oo high, tor
s
et accordin
v
er 3V, the
s
h
e quality o
f
C
-300-3.
v
erse conne
g
e.
v
erse conne
t
y after wor
k
E
4-6C(TCL
国
M
otor Plu
g
-
c
an adjust
b
c
utting accu
t
lifters. Se
n
ch would s
h
g to the dif
f
s
ensitive n
e
f
lifter. If the
ction brake
ction brake
k
ing a perio
d
国
际 E 城)
-15-
-
Brakin
g
S
Figure 2-3
b
y resistor
R
racy. As th
e
n
sitive incre
a
h
ake, so ple
a
f
erence bet
w
e
eds to be i
n
motor can l
to achieve
has been
c
d
, will caus
e
TEL：075
5
S
ettin
g
R
501, the lo
c
e
difference
o
a
ses on clo
c
a
se test it c
a
w
een Actu
a
n
creased.
ift torch up/
d
brake quic
k
c
hecked bef
o
e
brake devi
a
深圳市宏
宇
5
-26625800
c
ation as Fi
g
o
f torch lifte
r
c
kwise, dec
r
a
refully.
a
l Arc and
S
d
own on be
k
ly, by adju
s
o
re deliver
y
a
tion, users
宇
达数控
技
FAX：0755
-
g
ure.3-3
r
design an
d
r
ease on co
u
S
et Arc, the
low 3V star
t
s
ting the re
s
y
, usually n
o
can adjust
a
技
术有限公
-
26729960
d
speed, it n
e
u
nte
r
-clock
w
difference
i
t
voltage, th
e
s
istor R601
o
need to a
d
a
ccordingly
.
R6012,
braking
resistor
adjustme
司
e
eds
w
ise.
i
s ok
e
n .it
2 on
d
just.
.
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-16-
3. XPTHC-300-3 interface connectors
XPTHC-300-3 in plasma cutting mode, the connect show as follow:
Figure 3-1
XPTHC-300-3 THC module interface connectors:
Note: XPTHC-300-3 input power support both AC24V and DC24V.
Figure 3-2
TO TORCH
TO CNC
1X2 to IHS
controller
Power GND
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-17-
3.1 POWER
XPTHC-300-PT uses AC 24 or DC20-36V; The power supply depends on the Motor in lifter.
Power supply ≥ 2 * Motor Watt +20W
3.2 TO TORCH
XPTHC-300-3 to lifter uses 5-pin socket, show as picture:
XPTHC-300-3 to Torch connector show as Fig 3-1:
Pin(s) Signal
Description&Ratings
1 , 2 MOTOR1 & MOTOR2
DC motor drive output ,
drive DC 24V motor directly.
MAX 100W PWM
3
（Input）
DOWN_LIMIT
Down limit input
Limit switch normally closed
Short connect pin 3 and pin 5
4
（Input）
DOWN_LIMIT
Up limit input
Limit switch normally closed
Short connect pin4 and pin 5
5 COM
LIMIT COM
Figure 3-1
Figure 3-3
Note: When actual wiring, if the motor running direction and requirements in the opposite
direction , please exchange MOTOR1 and MOTOR2 connection.
THC has current feedback, if normally connect and without load, then MOTOR1 and MOTOR2 port
has around 10V . Only with load and in rating power there will has 24V output.
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-18-
3.3 TO CNC
XPTHC-300-3 connect to CNC via DB9 connector, show as picture:
Figure 3-4
To CNC pin definition as follow:
Pin(s) Signal
Description&Ratings
1 AUTO
Auto signal，low-level effective，
Controlled by CNC’s corner signal or THC enable signal,
pin8 is control Com
2 UP
Up signal，low-level effective
pin8 is control Com
3 DOWN
Down signal，low-level effective
pin8 is control Com
4 IHS_ARCON
Arc start with IHS，low-level effective
5 DIR_ARCON
Arc start without IHS，low-level effective
6 TRANSFER
Arc start finished signal output delay
OC open circuit
pin8 is control Com
7 Control COM
Isolation control COM
8 Control COM
Isolation control COM
9 COLLISION
OC open circuit
pin8 is control Com
Figure 3-2
Note: output signal is OC open circuit output. The default maximum current is 50Ma, connect with
CNCconnectordirectly.
地
址
3.4
X
a
n
sig
n
if t
h
址
：深圳市
南
XPTHC
-
There h
a
X
PTHC-20
0
n
d isolatio
n
3.4.1 IH
XPTHC-I
Retaining
n
al will be
c
h
e workpie
c
Note:
X
WORK
with she
l
Note: Us
e
IHS, th
e
to turn
O
南
山区中山园
-
IHS contr
o
a
s a XPT
H
0
and XPT
H
n
voltage di
v
S SELEC
T
HS suppor
t
cap IHS a
n
c
omplete I
H
c
e oxidatio
n
X
PTHC-IH
S
port must b
lf
e
proximity
e
SW2 swit
c
O
N
路 1001 号
E
o
ller conn
e
H
C-IHS co
n
H
C-300II.
X
v
ide output
T
t
proximity
n
d proximi
t
H
S process.
n
or has a p
r
Pr
o
c
o
so
S
controlle
r
e good GN
D
switch
c
h need
E
4-6C(TCL
国
e
ctor（1X2
n
troller in
X
PTHC-IH
functions.
switch IHS
t
y switch I
H
Generally,
r
otective la
y
HV
i
o
ximity
s
o
nnector (
3
cket
)
r
D
国
际 E 城)
-19-
）
XPTHC-3
0
S integrate
d
and retaini
H
S can be
u
retaining c
a
y
er of insul
a
i
solator
s
witch
pin
G
TEL：075
5
0
0-3 pack
a
d
with reta
i
ng cap IHS
u
sed at the
s
a
p IHS will
a
tion, then
r
Fig
u
G
ND
深圳市宏
宇
5
-26625800
a
ge, it can
i
ning cap I
H
.
s
ame time.
i
complete t
h
r
etaining ca
p
u
re 3-5
宇
达数控
技
FAX：0755
-
be comp
a
H
S, proxi
m
i
f anyone
o
h
e IHS pro
c
p
IHS is n
o
Torch
with
p
switch
Metal sh
e
If us
e
cap IH
torch
retaini
n
技
术有限公
-
26729960
a
tible with
m
ity switch
o
f them det
e
c
ess firstly
o
neffective.
Retainin
g
cap
I
wire
SHIEL
D
connect
HV
isolation
holder
p
roximity
e
l
f
retaining
S , require
must with
ng
ca
p
.
司
old
IHS
e
cted
, but
g
I
HS
D
，
to
深圳市宏宇达数控技术有限公司
地址：深圳市南山区中山园路 1001 号 E4-6C(TCL 国际 E 城) TEL：0755-26625800 FAX：0755-26729960
-20-
Note:
A. Please connect cable to retaining cap by SHIELD hole.
B. The GND must be grounded and the cable cross-setion >4mm².C、
C. It must use High voltage retaining cap IHS cable if use Ohmic contact IHS.
Cap retaining working process：
THC receives arc start signal from CNC, lift torch down, when torch retaining cap touches steel, THC
lift torch up to set IHS height. After IHS, THC control plasma to start arc.
XPTHC-300-3 is recommended proximity switch IHS, which can do IHS and anti-collision function
job both.
Pin(s) Signal
Description&Ratings
1 COM
Proximity switch power, negative
2 Signal
Proximity switch signal
3 +15V
Proximity switch power, positive
Figure 3-3
When adopts proximity switch, must make two switches SW2 on in IHS box, then proximity switch is
available. As XPTHC-IHS box can only receive NPN close signal.
To IHS more accurate and stable, can use two Proximity switches connected as Figure4-4 shows，any
one of them effective, THC can receive this signal.
Figure 3-6
Work Process：Once THC received Arc Start signal from CNC, torch moves down, when it reaches workpiece,
Proximity Switch leaves proximity position, THC receives this signal, lifts torch to the set height, (Proximity Switch
recovers during lifting). After IHS, THC drives plasma Start Arc. Proximity Switch IHS is suitable for all plasma
IHS
/