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MODEL 415
OPERATION MANUAL
Document No. 740084
Revision N
Model 415
Operation Manual
NOTICE
This document and the information contained herein is the property of Arc Machines, Inc. It is proprietary and submitted and received in confidence. It shall be used only for the purpose for which it is submitted and shall not be copied in whole or in part without the prior express written permission of Arc Machines, Inc.
The information in this document has been carefully reviewed and is believed to be accurate. However, no responsibility is assumed for inaccuracies.
Information and instructions in this document are subject to change and Arc Machines, Inc. reserves the right to change specifications and data without notice.
WARNING
The nature of the GTAW process creates some POTENTIAL HAZARDS. In accordance with international safety regulations the EXCLAMATION SYMBOL indicates that this equipment is considered HAZARDOUS until an operator has been made aware of these POTENTIAL HAZARDS by READING THIS MANUAL. The LIGHTNING FLASH SYMBOL indicates that there are potential electrical hazards. The use and display of these symbols make it the OPERATOR’S RESPONSIBILITY TO INSURE THAT HE HAS READ AND/OR BEEN MADE AWARE OF ALL OF THE SAFETY-RELATED ITEMS CONTAINED IN THIS MANUAL.
Publication date : First Edition - 1 July 1997
Copyright 1997 by Arc Machines, Inc.
All rights reserved
REV |
DCO # |
CHANGE DESCRIPTION |
DATE |
APR |
A |
3228 |
Revised pg. iv,2.1,2.2,3.2,3.5,Sect. 5 Add 3.11 |
1/27/99 |
GPE |
B |
3304 |
Revised pages iv, 2.1, 2.2, 3.5, 5.10 thru 5.20 |
4/20/99 |
GPE |
C |
3518 |
Revised Sec 5.6, corrected sec # error, added sec |
12/07/99 |
GPE |
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5.18, 5.19, 5.20 updated Index page numbers |
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D |
3548 |
Revised pages i, 2.1, 2.2 |
2/08/00 |
GPE |
E |
3632 |
Revised pages 3.2 and 3.3 |
5/18/00 |
GPE |
F |
3749 |
Revised page 2.5 Removed algaecide requirement |
10/17/00 |
GPE |
G |
3779 |
Revised pages 5.1 to 5.11, Cal clarification |
11/28/00 |
GPE |
H |
3829 |
Revised pages 5.1 to 5.8. change volt tolerance |
03/15/01 |
LEC II |
J |
5229 |
Replace floppy drive with USB, update Section 3.3, |
12/10/08 |
BF |
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Remove Section 5.18, 5.19, 5.20 |
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K |
5097 |
Correct Terminal Jumper Settings on page 3.5 |
12/18/08 |
BF |
L |
5450 |
Correct typo’s per BPMI-RS-P-02745, Update Input |
9/29/09 |
BF |
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Power Detail Section 2.0 |
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M |
6245 |
Removed description of Neutral Overload (4.4.6) |
2/7/12 |
SM |
N |
6412 |
Add CMOS battery replacement procedure section |
11/05/12 |
DC |
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5.18, reformat pagination |
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Document No. 740084 |
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Revision N |
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Model 415
Operation Manual
EFFECTIVITY
Features and operation of the Model 415 are derived mostly from SOFTWARE. This document is based on the latest STANDARD version of SOFTWARE at the time of last revision (see revision page).
Some deviations in actual operation, from this document, are possible depending on the software version of a particular machine. Please feel free to contact Arc Machines Service Department for documentation or information on how software updates affect this document.
Document No. 740084 |
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Model 415
Operation Manual
TABLE OF CONTENTS
SECTION |
DESCRIPTION |
PAGE |
SECTION I |
INTRODUCTION |
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1.0 |
Introduction |
1 |
1.1 |
Safety Precautions |
1 |
1.2 |
Operational Precautions |
3 |
1.3 |
RF and EMI emissions |
4 |
1.4 |
Shock Hazard Warning |
5 |
SECTION II |
SPECIFICATIONS |
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2.0 |
Electrical |
6 |
2.1 |
Physical Construction |
7 |
2.2 |
Current Output |
8 |
2.3 |
Arc Voltage and Arc Voltage Control Servo |
8 |
2.4 |
Travel Servo |
8 |
2.5 |
Wire Feed Servo |
8 |
2.6 |
Torch Oscillation and Cross-seam Steering Servo |
9 |
2.7 |
Timing Functions |
9 |
2.8 |
Arc Starting |
9 |
2.9 |
Torch Cooling Unit |
10 |
SECTION III |
INSTALLATION |
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3.0 |
Installation, General |
11 |
3.1 |
Training |
11 |
3.2 |
Inspection |
11 |
3.3 |
Torch Cooling System Preparation |
12 |
3.4 |
Primary Power Connection |
13 |
3.5 |
Operators Pendant Connection |
16 |
3.6 |
Inert Gas Connection |
16 |
3.7 |
Weld Head Installation |
16 |
3.8 |
Initial Turn On |
17 |
SECTION IV |
SYSTEM FUNCTIONS |
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4.0 |
Introduction |
21 |
4.1 |
Multi-Level Functions and Modes |
21 |
4.2 |
Single Level Functions and Modes |
22 |
4.3 |
Miscellaneous Non-Programmable Functions |
22 |
4.4 |
Sensors and Faults |
23 |
4.5 |
Pendant Controls |
23 |
4.6 |
Other System Features |
24 |
4.7 |
Weld Sequence |
25 |
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Model 415
Operation Manual
TABLE OF CONTENTS
SECTION |
DESCRIPTION |
PAGE |
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SECTION V |
OPERATION |
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5.0 |
Introduction |
30 |
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5.1 |
Initial Power-On |
30 |
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5.2 |
Power Supply Calibration Introduction |
30 |
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5.3 |
Required Equipment For Calibration |
31 |
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5.4 |
Main Reference Voltage Calibration |
31 |
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5.5 |
Position Feedback Voltage Calibration |
32 |
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5.6 |
Current Calibration |
32 |
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5.7 |
Arc Voltage Calibration |
35 |
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5.8 |
Weld Head Travel Calibration Introduction |
36 |
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5.9 |
Weld Head Travel Calibration |
37 |
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5.10 |
Weld Head Wire Feed Calibration |
38 |
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5.11 |
System Security |
39 |
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5.12 |
Project Data Recording |
40 |
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5.13 |
General Maintenance |
40 |
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5.14 |
System Fault Corrections |
41 |
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5.15 |
Re-Shipping |
42 |
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5.16 |
Selecting and Creating Languages |
43 |
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5.17 |
Creating and Editing Weld Head Templates |
45 |
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5.18 |
CMOS Battery Replacement |
47 |
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LIST OF ILLUSTRATIONS |
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NUMBER |
DESCRIPTION |
PAGE |
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Figure 1 |
System Configuration |
14 |
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Figure 2 |
AC Power Set Up (Transformer jumpers - International) |
15 |
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Figure 2A |
AC Power Set Up (Transformer jumpers - Domestic) |
18 |
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Figure 3 |
Cable Connections |
19 |
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Figure 4 |
Status Screen/Initial Turn-On |
20 |
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Figure 5 |
Sequence Timing Chart |
29 |
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Figure 6 |
CMOS battery location on EP811 motherboard |
47 |
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Figure 7 |
CMOS battery location on SBC84710 motherboard |
48 |
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Model 415
Operation Manual
SECTION I - INTRODUCTION
1.0INTRODUCTION
This manual is intended to assist users of this equipment in set-up and basic operation. Automated welding requires a good deal of operator expertise which also requires AMI supplied, hands-on training. THIS MANUAL IS NOT INTENDED AS A SUBSTITUTE FOR THAT TRAINING.
The Model 415 (M-415) welding power supply is part of a complete welding system intended for the welding of tubes, pipes and fittings (see figure 1). The complete system consists of the M-415 power supply, adapter cable, gas lines and a variety of different AMI Welding Heads or Torch Fixture devices (Heads and Fixtures are sold separately).
The standard version of the M-415 power supply provides GTAW current with pulsation controls, high frequency arc starting, purge gas controls, weld head arc rotation, cold wire feed, Arc Voltage Control, Torch Weave/Steering (Oscillation) and automatic timing functions. The M-415 includes an Operators Pendant and comes ready to weld. Users need only to supply input AC power,
regulated gas source with flow meter and the appropriate weld head or manual torch.
The M-415 family of options also includes PC or Laptop operation for Remote Welding and a variety of quality assurance options such as project and function data acquisition.
The system can also be used as a manual welding power source using an optional manual torch with a variety of manual welding options such as a variable current foot controller with remote start/stop switch.
NOTE
In-depth weld development instructions, weld head set-up, maintenance and troubleshooting are contained in other manuals, documents and training classes and are not included in this manual. Contact your AMI representative for more information about these items.
1.1SAFETY PRECAUTIONS
This section contains cautions and warnings concerning the operation of this equipment and welding equipment in general. However, in addition to reading this manual and before operating this or any welding equipment, users should reference and be familiar with “ANSI49.1 Safety in Welding and Cutting”. This standard is published by the American National Standards Institute and the American Welding Society.
WARNING: Touching energized electrical parts can cause fatal shocks and burns. When in weld sequence the electrode and work are electrically energized. Incorrectly installed or improperly grounded equipment is a hazard.
WARNING: This equipment is authorized to use a type of arc starter that produces a High Frequency Radio Wave (sometimes called HF and/or RF Starting). It can cause interference and sometimes even damage to nearby electronic equipment (such as computers) that are un-protected or poorly protected against such interference.
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WARNING: Magnetic Fields from High Currents can affect pacemakers. PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR.
WARNING: Disconnect the input power to the machine before opening or servicing. Discharge all circuits that store high voltage such as capacitor packs. Only QUALIFIED service personnel should open this equipment.
WARNING: Welding can cause fires or explosions. Do not weld near FLAMMABLE or EXPLOSIVE MATERIALS. Watch for fire. Have the proper type of extinguisher in your work area.
WARNING: Welding Operators should wear non-flammable protective clothing, footwear and head gear.
WARNING: Never weld on sealed containers or pipes. This may result in an EXPLOSION.
WARNING: Welding produces high temperatures in both the welded components and the welding equipment. Both can cause severe burns. Do not touch recently welded components. Avoid touching internal components of the welding system soon after use. Avoid touching torch components and welding fixtures soon after welding.
WARNING: The welding arc emits ultra-violet (UV) radiation and the molten weld gives off infra-red (IR). Both can burn eyes and skin if unprotected. Suitable eye and skin protection must be worn.
WARNING: Weld materials can emit toxic fumes during welding.
WELD ONLY IN AREAS WITH ADEQUATE VENTILATION.
WARNING: Most GTAW gases like Argon are non-toxic, however, Argon is heavier than air and will displace the normal atmosphere in enclosed areas. DO NOT WELD IN ENCLOSED AREAS WITH OUT PROPER VENTILATION OR RESPIRATORS.
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WARNING: AMI factory training is essential for all Welding Operators and Maintenance Technicians who operate AMI equipment.
WARNING: Before operating, storing or handling, always make sure that the M-415, M-415 Pendant, weld heads and cables are not exposed to rain or standing water. SYSTEM COMPONENTS ARE NOT WEATHER-PROOF.
WARNING: Keep hands and fingers clear from moving parts such as fans, gears rotors, Wire Feed, Rotation and AVC Mechanisms.
WARNING: The M-415 Power Supply is not intended for pipe thawing or heating in any
form.
WARNING: The M-415 Power Supply weighs in excess of 700 lb. (317.5 kg). Be sure to follow your local, OSHA, international and employer guidelines for proper methods of handling and re-locating this equipment.
1.2OPERATIONAL PRECAUTIONS
The following is a check list for operating personnel to follow to insure minimum system down-time due to improper operation and handling:
1.To AVOID severe equipment damage VERIFY that the M-415 is connected to the correct Input AC power (see section 3.4).
2.Before operating, check all fittings and connectors for proper seating and that all protective boots are in place. If not properly seated or protected, short circuits, poor connections or inert gas leaks could occur.
3.The M-415 is intended for typical GTAW gases ONLY. NEVER CONNECT OXYGEN OR ACETYLENE TO THE M-415.
4.Before operating, insure that all cables are routed or protected in such a way that they will not be subject to heat, equipment and/or personnel traffic. Insure that the cables DO NOT come in contact with HOT PIPE.
5.When storing or handling cables, always keep the protective boots and dust caps on all connectors and fittings until ready to install. A major cause of downtime in any automatic welding system is improper care and use of cables.
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Operation Manual
6.Before operating, insure that the M-415 has adequate air flow. Do not restrict the intakes or exhaust vents of the power supply.
7.Before operating, always insure that there is bare metal contact between the weld head components which connect to GROUND (clamp inserts, etc.) and the tube or pipe to be welded.
8.When storing or handling weld heads, always keep them in the protective containers they are shipped in, or optional carrying case, until ready to install.
9.When operating, storing or handling, insure that the system is protected against dirt, dust, etc. NEVER GRIND NEAR AN EXPOSED WELD HEAD OR THE M-415.
10.Do not use acid, corrosives, liquid “Easy Out” or any liquid substance on the M-415 or any AMI weld head. When cleaning, use only a light solution of Isopropyl alcohol on a soft cloth .
11.When handling, take extreme care to avoid dropping the M-415, weld heads, cables or any accessories.
12.Do not attempt to move tube end into position using the weld head as a lever.
13.Do not add any lubrication like graphite, oil or grease to the weld heads or power supply unless it is specified in the operation or maintenance manual for that equipment.
1.3RF AND EMI EMISSIONS
1.WHY RF?
“It has long been recognized that in the practice of welding and cutting, there are circumstances where it is required to assist the process using radio frequency voltage. In order to arc weld an electric arc must be created, because of safety and economic concerns, the no load voltage of arc power sources is kept as low as practical. Thus, a source of high voltage with a high safety factor must be utilized. Radio Frequency voltage is the best method of meeting these criteria for many reasons” (quoted from CISPR/B/63).
2.RF REGULATION
The FCC regulates the RF emission limitations for welding equipment by the use of an IEC (international) regulation created by the Special Committee on Radio Interference (known as CISPR) subcommittee B. The regulation of record is: CISPR/B/63
“CODE OF PRACTICE FOR THE USE OF WELDING AND CUTTING POWER SOURCES UTILIZING RADIO FREQUENCY VOLTAGE FOR STARTING OR STABILIZING THE ARC.”
The regulation states that due to the variety of work requirements and conditions it is virtually impossible to establish fixed, normalized and predictable tests and test setups for RF limits that would actually mean something. Instead of limits they state the following:
“The manufacturer must design and produce equipment that is functional but at the same time, design this equipment to keep electromagnetic radiation at a minimum.”
“The user has the responsibility to install and use the power source per the instructions of the manufacturer. Through this practice, it is reasonable to assume that the probability of electromagnetic disturbances will be significantly reduced. However, if some electromagnetic disturbances are felt, then it is the responsibility of the USER of the equipment to resolve the situation.”
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3.RF PROTECTION
AMI policy is to comply with the IEC (and thus FCC) regulations. Our design rules and procedures include testing and observing this area. We can assure our customers that every effort has been made to reduce RF emissions to the absolute minimum from our power sources.
However, this does not mean that a user will not have occasional problems with RF interference with other equipment due to the use of our equipment. This is the nature of RF starting.
Most RF noise interference problems are going to be either set-up related or caused by poor or no filtering on the behalf of the equipment that is being disrupted. Most interference problems are easily correctable but each one must be looked at on a “case by case basis.”
4.EMI SUPPRESSION
The M-415 is equipped with a heavy-duty Pi-Network filter, connected to the input power line, to prevent propagation of EMI either into or out of the M-415. The all-metal enclosures and internal shields prevent radiated EMI.
1.4SHOCK HAZARD WARNING
As already stated in this manual “High Voltage” is present on exposed internal terminals. The ELECTRODE (tungsten) and tube weld head rotors (M-8, M-9) are also an “exposed terminal” and by its nature the GTAW process requires electrical potential to be present on the electrode during arc starting and of course during the welding.
All AMI Power Supplies contain a “bleeder” circuit to ground any residual potential after welding or after an aborted or bad “arc start” attempt. However, these circuits take a few seconds to operate or COULD FAIL. Do not depend on them to prevent electrical shock.
“THE ELECTRODE SHOULD ALWAYS BE CONSIDERED A POSSIBLE SHOCK HAZARD”. This is especially true when ever the system is in “weld sequence” ready to weld, is welding, or has just finished welding. However, equipment/component failure, system abuse, or improper
maintenance could result in electrical potential at the weld head “even when not in weld sequence”.
The users/operators of this equipment must take all precautions necessary to avoid contact with the ELECTRODE at “ALL TIMES”. The only exception is when actually replacing or adjusting the electrode and this should be done “WITH THE POWER TURNED OFF”.
If performed with the power “ON” the system must be in test mode out of weld sequence and the USER MUST OBSERVE COMMON SAFETY PRACTICES such as grounding the electrode to insure discharge before actually touching it. REMEMBER, there is a “POSSIBLE” shock hazard in all welding power supplies at “ALL” times.
Most AMI Power Supplies feature High Frequency (HF) Arc Starting. This is a High Voltage/High Frequency electrical transmission process. To eliminate any HF shock possibility “AVOID ALL CONTACT” with the Welding WORK (ground), the ELECTRODE or the WELD HEAD during arc start.
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Operation Manual
SECTION II - SPECIFICATION
The following contains only general specifications about the M-415 Power Supply. More detailed information is available in AMI Specification No. 415.
2.0ELECTRICAL
1. RATING PLATE DEFINITIONS
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ARC MACHINES, INC. |
USA |
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Model 415 |
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Process: |
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10) Type: |
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23) Shock Rating: |
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6) Standards: |
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G.T.A.W. |
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DC |
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NEMA EW1 |
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9) |
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11) No-load Voltage: |
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12) Duty Cycle: |
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Minimum |
Maximum |
U0 = 61V |
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5A / 5V 400A / 30V |
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15) Input: |
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18) Voltage: |
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19) Input Current: |
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21) Rating: |
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U1 = 200V |
I1max = 49A |
I1eff |
= 49A |
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U1 = 240V |
I1max = 44A |
I1eff |
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IP21 |
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U1 |
= 400V |
I1max = 25A |
I1eff |
= 25A |
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U1 |
= 440V |
I1max = 25A |
I1eff |
= 25A |
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U1 |
= 480V |
I1max = 20A |
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= 20A |
22) Rating: |
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= 575V |
I1max = 20A |
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1) - Manufacturer and Country of Origin.
3)- Model Number Rating Plate applies to.
4)- Serial Number and Date of Manufacture.
6)- International and USA Standards that the equipment meets.
8)- Weld Process symbol for GTAW welding.
9)- Rated MIN and MAX Outputs at Continuous Current with no pulsation. Rated MIN and MAX Outputs when current is pulsing.
10)- Symbol that output is Direct Current (DC) only.
11)- Rated No Load Output Voltage (open circuit voltage) is 61 volts.
12)- The M-415 is a 100 % Duty Cycle for the rated outputs (9).
15)- Input Voltage type contains symbol for three (3) phase Alternating Current (AC) input at 50 or 60 Hz frequency.
18) - Nominal Input Voltage value is dependent on Transformer type.
M-415s manufactured before January 1999 are listed as: Domestic, or International. After January 1999 the Universal transformer was released for use in all countries.
19) - Rated maximum current required from the AC supply. Given for both
I1 maximum (I1max) and I1 effective (I1eff). Plate shown above is for the Universal transformer. Consult the rating plate on your Power Supply for actual number.
21)- International Protection (IP) rating. The M-415 is rated IP21 which includes protection against a limited amount of exposure to rain (does not make it weather proof or intended for all weather usage).
22)- The M-415 is rated as class I. No symbol is used for class I equipment.
23)- “S” Symbol indicates a welding power source which is suitable for an environment with an increased electric shock hazard.
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Operation Manual
2.INPUT POWER, DETAIL - The M-415 can have 1 of 3 operating ranges:
Voltage |
Phase - Freq. |
Max Input Current |
Transformer Type |
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Model 415 |
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Required |
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Main Circuit Breaker |
200 VAC |
3 - 50/60 Hz |
50 amperes Service |
Universal |
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60 Ampere-600 VAC |
240 VAC |
3 - 50/60 Hz |
45 amperes Service |
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60 Ampere-600 VAC |
400 VAC |
3 - 50/60 Hz |
25 amperes Service |
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60 Ampere-600 VAC |
440 VAC |
3 - 50/60 Hz |
25 amperes Service |
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60 Ampere-600 VAC |
480 VAC |
3 - 50/60 Hz |
20 amperes Service |
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60 Ampere-600 VAC |
575 VAC |
3 - 50/60 Hz |
20 amperes Service |
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60 Ampere-600 VAC |
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FOR POWER SUPPLIES MADE BEFORE JANUARY 1999 |
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200 VAC |
3 - 50/60 Hz |
60 amperes Service |
International |
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60 Ampere-415 VAC |
220 VAC |
3 - 50/60 Hz |
60 amperes Service |
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60 Ampere-415 VAC |
380 VAC |
3 - 50/60 Hz |
40 amperes Service |
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60 Ampere-415 VAC |
415 VAC |
3 - 50/60 Hz |
40 amperes Service |
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60 Ampere-415 VAC |
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FOR POWER SUPPLIES MADE BEFORE JANUARY 1999 |
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230 VAC |
3 - 50/60 Hz |
50 amperes Service |
Domestic USA |
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50 Ampere-600 VAC |
240 VAC |
3 - 50/60 Hz |
40 amperes Service |
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50 Ampere-600 VAC |
440 VAC |
3 - 50/60 Hz |
40 amperes Service |
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50 Ampere-600 VAC |
480 VAC |
3 - 50/60 Hz |
40 amperes Service |
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50 Ampere-600 VAC |
3.OUTPUT POWER - Straight polarity, constant current DC regulation intended for GTAW welding only.
Minimum current Output all cases .................... |
= 5 Amperes DC |
Maximum current Output ................................. |
= 400 Amperes DC continuous or peak pulse |
4.CIRCUIT BREAKER – Also used as ON/OFF switch, is a 60 Amp 3 phase Auto-Trip, with electrical Emergency Stop function available on the Power Supply, Operators Pendant and from an Optional External Hard Wire Command.
5.POWER CABLE -25 foot (7.6 m) Neoprene jacketed harmonized CE approved 4 conductor 8 AWG (10mm²) cordage, rated voltage: 500V.
6.STANDARDS - The M-415 is designed and maintained to meet all applicable IEC and ISO standards as well as all applicable EC Directives.
7.RATED CONDITIONS - The system will meet or exceed the functional ranges and tolerances stated, provided that the following conditions exist:
1.Input Voltage does not deviate greater than +/- 10% from normal voltage.
2.Ambient operating temperature range is between 0 degree C (32° F) and 40° C (105° F)
3.Arc Voltage at the power supply terminals is equal to or less than 30 volts.
4.All electrical performance is based on maximum weld head distance of 200 feet (61 m) from the M-415
2.1PHYSICAL CONSTRUCTION
1.Cabinet material - aluminum and steel
2.Dimensions (basic Power Supply):
Height: 39 inches (990.6 mm) Width: 26 inches (660.4 mm) Depth: 36 inches (914.4 mm)
3.Weight: Less than 700 lb. (317.5 kg) depending on configuration
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2.2CURRENT OUTPUT
NOTE
The following specifications will, in many cases, reference “User Defined”. User defined means that the user can set up the actual programmable ranges and functionality of any given function. For specification purposes this means that no actual function range can be given. Where applicable only an absolute maximum or minimum are given.
1.Range - 5 to 400 Amperes programmable. Programmable increments can be user defined in units of 1 or 0.1 amperes.
2.Type - Continuous or pulsed output DC Straight Polarity for GTAW (TIG) welding only.
3.Regulation - Constant Current closed loop servo using second generation high frequency (60 KHz) series switching regulation.
4.Regulation Response - Response time for correction of current deviation is less than 500 microseconds. Pulsed mode rise time from background current to primary is 1.2 ampere per microsecond.
5.Regulation Tolerance - +/- 0.5% of programmed setting or +/- 1.0 ampere whichever is greater.
2.3ARC VOLTAGE and ARC VOLTAGE CONTROLLER SERVO
1.Open Circuit Output Voltage - 61 VDC
2.Maximum Output Voltage under load - 30 volts (measured at power supply, not at torch)
3.Arc Voltage Controller Range - (measured at the torch) Minimum - 5 VDC
Maximum - 25 VDC
Actual programmable range is user defined.
4.AVC Motor Output Current Limit - User defined by weld head type in increments of
0.1Amperes up to a maximum motor drive current limit of 4.0 Amperes.
5.AVC Motor Output Voltage Limit - 35 VDC
6.Regulation - Closed Loop position servo using arc voltage measured at the torch. Intended for DC permanent magnet type motors only.
7.Regulation Tolerance - +/- 1% of program value or 0.1 VDC, whichever is greater. Based on primary current only with no current pulsation. Measurable accuracy with the current pulsing can be affected by the puddle growth and shrinkage.
8.Regulation Response - Variable and programmable.
9.Jogs - Motor servo provides for UP and DOWN motor jogs. Jog speeds are adjustable.
2.4TRAVEL (torch rotation) SERVO
1.Range - Programmable range is User defined by weld head type. Unit of measure (IPM or RPM) and increments is user defined by weld head type.
2.Regulation - Closed loop velocity servo using, as standard, analog tachometer feedback of 0 to 5 VDC. Can be set up to regulate using digital tachometer or digital encoder feedback. Intended for DC permanent magnet type motors only.
3.Motor Output Current Limit - User defined by weld head type in increments of
0.1Amperes up to a maximum motor drive current limit of 4.0 Amperes.
4.Motor Output Voltage Limit - 35 VDC
5.Regulation Tolerance - +/- 1% of program value or +/- 0.1 IPM or RPM whichever is greater. Based on maximum range being at least 10 IPM or RPM.
6.Jogs - Motor servo provides for bi-directional (CW and CCW) motor jogs. Jog speeds are adjustable.
2.5WIRE FEED SERVO
1.Range - Programmable range is User defined by weld head type. Unit of measure (IPM or mm/min) also user defined by weld head type.
2.Regulation - Closed loop velocity servo using, as standard, analog tachometer feedback of 0 to 5 VDC. Can be set up to regulate using digital tachometer or digital encoder feedback. Intended for DC permanent magnet type motors only.
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3.Motor Output Current Limit - User defined by weld head type in increments of
0.1Amperes up to a maximum motor drive current limit of 4.0 Amperes.
4.Motor Output Voltage Limit - 35 VDC
5.Regulation Tolerance - +/- 2% of program value or +/- 1 inch, whichever is greater. Based on maximum range being at least 100 IPM.
6.Jogs - Motor servo provides for bi-directional (FEED and RETRACT) motor jogs. Jog speeds are Adjustable.
2.6TORCH OSCILLATION and CROSS-SEAM STEERING SERVO
1.Range - User Defined by weld head type as to maximum programmable amplitude.
2.Regulation - Closed loop position servo using +/- 5 VDC feedback voltage for position information. Feedback device varies with weld head model. Intended for DC permanent magnet type motors only.
3.Motor Output Current Limit - User defined by weld head type in increments of
0.1Amperes up to a maximum motor drive current limit of 4.0 Amperes.
4.Motor Output Voltage Limit - 35 VDC
5.Regulation Tolerance - +/- 1% of program value or 0.010 inches, whichever is greater. Based solely on M-415 servo specification. Actual response speed and tolerance performance can vary depending on the dynamic loads on the weld head. Consult the weld head specification for each weld head tolerance.
6.Jogs - No jogs are provided. Oscillator is continually seeking desired position. Position is based on input (steering) commands from steering devices (on Pendant and Display).
2.7TIMING FUNCTIONS
1.Purge Time Range (pre and post) -
000 to 1000 seconds. User can define minimum programmable time.
2.Start Delay Time Range (Travel, Wire, AVC) -
00.0to 100 seconds in increments of 0.1 seconds.
3.Stop Delay Time Range (Travel, Wire, AVC) -
00 to 100 seconds.
4.Upslope Time Range -
00.0to 100 seconds. User can define minimum programmable time
5.Downslope Time Range -
00 to 100 seconds. In increments of 1 second
6.Weld Level Time Range (up to 99 levels) - 0000 to 10000 seconds.
7.Pulse Timing Range (Primary/Background) -
0.00to 100 seconds in increments of 0.01 seconds.
8.Oscillator Timing Range (Dwells and Excursion) -
0.00to 100 seconds in increments of 0.01 seconds.
9.Primary WF pulse delay -
0.00to 100 seconds in increments of 0.01 seconds.
10.Timing Resolution -
+/- 0.01 seconds (all timing functions)
2.8ARC STARTING
1.Starting Methods - Touch or RF (radio frequency)
2.Touch Start provides a smooth, consistent and tungsten inclusion free start with any weld head that has an AVC. Touch and Retract speeds are user defined. User can set up for single start attempt or multiple start attempt.
3.RF Starting provides a method of arc starting without the electrode touching the weld surface. System is designed for best performance under the following conditions:
1.Minimum first level primary current - 5 Amperes (in Argon only)
2.Gases - Argon, 95/5 Argon/Hydrogen, Helium or Helium/Argon Mixes.
3.1 atmosphere pressure. Consult factory for operation in pressure chambers.
4.Maximum arc gap - 0.156 inch (4 mm)
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5.Cerriated or Thoriated Electrodes with conventional grinds.
6.Cable lengths up to 200 feet.
7.Multiple arc strike attempts.
2.9TORCH COOLING UNIT - Liquid cooled, forced air heat exchanger with coolant reservoir.
1.Reservoir Capacity - 2.5 gallons (9.46 liters)
2.Maximum Pressure - 60 PSI
3.Flow - 0.3 GPM for 400 Ampere Torches.
0.2GPM for 300 or less Ampere Torches
4.Head - Up to 100 feet with 200 feet of cable.
5.Duty Cycle - 100 %
6.Distilled or Demineralized Water coolant, (see section 3.3 for use where freezing may occur).
7.Replaceable coolant filter
8.Pressure relief valve and by-pass built-in
2.10GAS DISTRIBUTION SYSTEM
1.Control - Electrical Solenoid valve.
2.Pressure - Maximum 50 PSI
3.Flow - 5 to 100 CFH
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SECTION III - INSTALLATION
3.0INSTALLATION, GENERAL
The Model 415 Power Supply is designed to provide reliable and repeatable performance within its specified limits. The Model 415 is also, by its nature, something that must be relocated from time to time and be installed, by the user, without Factory Service being required. Because of this, assurance that the Model 415 is working within its specified limits is a “user” responsibility and it begins with INSTALLATION.
This Section of the Operation Manual provides the requirements and procedures for the proper installation and initial turn on of the Model 415.
3.1TRAINING
The Model 415 is designed to be as easy as possible to install and operate. The instruction of this manual should, in most cases, supply the user with the information needed for Installation and Operation. However, automatic welding systems can be complicated and Arc Machines, Inc. “STRESSES” the need for complete FACTORY training involving Installation, Operation, Programming and Maintenance.
This manual does not attempt to cover all possible problems, deviations or usage of the Model 415. In this Manual, where these items might occur, a general instruction is given to consult a Factory Representative.
3.2INSPECTION
NOTE
The M-415 is shipped new, in a re-usable and factory approved shipping container. This container should be retained and stored carefully in order to re-use in case of a need to re-ship the M-415 to another location.
1.After unpacking, inspect all items for obvious physical damage and loose parts. If damage is evident, contact a factory representative before using. If water condensation is apparent, dry
the unit before using.
2.All M-415’s are shipped with a variety of peripheral equipment such as gas hoses, fittings, manuals (including this one) and electrical drawings. An exact list of these items is included with each power supply shipment. This manual will reference some of those items, so before beginning installation, these items should be located and be available.
3.Inspect the Power Supply Cabinet (See Figure 1, Item 1)
1.Perform an exterior visual inspection looking for obvious physical problems such as broken connectors, dents or loose components.
2.There are two Connect Panels on the left side of the Cabinet. These are the Electrical
-I/O Connect Panel (left side upper) and the Weld Head Connect Panel (left side rear). Insure that all Protective Dust Covers and Retaining Chains are installed on all electrical multi-pin Connectors (See Figure 1, Item 2).
3.Remove both the left and right hand SIDE PANEL Retaining Screws and remove the SIDE PANELS (see Figure 1, Item 3, 13). Leave the SIDE PANELS off until the end of Section Step 3.4.
4.Visually inspect the interior for obvious physical problems such as loose components, dangling wires, foreign (loose) objects, excessive dirt or any standing water, condensation or moisture.
5.Note the location of the main transformer and tap setting Terminal Strip (See Figure 1, Item 4). This will be set up in Section 3.4.
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