WTC MedWeld WT4000 AC Resistance Weld Control

FOR SALE at Weld Systems Integrators, Inc.

WTC MedWeld WT4000 AC

The WTC MedWeld WT4000 AC resistance weld control is unsurpassed in its flexibility and simplicity for a powerful control system. Quality welds with repeatable performance is made possible with the control tools made available by the MedWeld 4000 control.

Current regulation and voltage control mode (within one weld)
Multi-language programming (English, French, Spanish, Portuguese)
Total I / O programmability
Local safety I / O embedded
Free format programming for various applications
Network ready using WebVIEW for weld data collection
Various I / O connectivity (DIO, Device Net, ProfiBus)
Weld tool efficiency monitoring (C-Factor)
Weld Transformer protection (Delayed firing prevents saturation)
Dynamic squeeze functions
Wait for line voltage – asynchronous load scheduling
Laptop or DEP interface for programming and data acquisition
Analog interface port for controlling welding force
Large repertoire of inputs and outputs
220 – 600 VAC 50 / 60hz mains
Modular design for ease of maintenance

WTC MedWeld 4000 | Weld Systems Integrators

MedWeld WT4000 AC Welding Control - Portable Weld Station

400 Amp, 2 Pole Circuit Breaker with Magnetic and External Shunt Trip
Single Operator – Two Welding Guns
Operator Panel with Tip Dress and Cap Change Control Buttons
265KVA, 200KVA, 160KVA Weld Transformer – 220-600VAC 50/60Hz Mains (choose one of 9 Selections)
Integrated MedWeld 4000 Processor Module
Dimensions (116H x 100W x 86D (mm)) – 250Kg
Network – MedLAN to WebVIEW
Tip Dress Management Interface
Pneumatic Panel – with Proportional Valve Control
Six discrete Air Valves
Water flow valve with electronic flow monitor (optional)

MedWeld 4000 AC Portable Weld Station | Weld Systems Integrators

Programming Interfaces

These devices are used to interface the user to the MedWeld 4000 weld control for programming parameters and reviewing welding data.


DEP 100	DEP 100	WebView

MedWeld WT4000 AC Configurable Designs - Modules 821, 822 and 823

Programmable Discrete I/O Module “821” – 16 Inputs / 10 Outputs with each point configurable by programming

Welding Control Module “822” – Completely programmable for various resistance welding tasks

Serial Interface Module “823” – Allows quick I/O interface for Device Net or ProfiBUS


Module “821”	Module “822”	Module “823”

Analog Ports Available

Complimentary Analog I/O
Output: 4 – 20 mA (+I Loop, -I Loop)
Input: 0 – 10V (+Vout, -Vout)

There are other variations of circuit boards to produce the MedWeld 4000 control including compact 24V DIO and new enhanced processor modules.

Network Ready

All WTC welding controls are network ready. The MedWeld 4000 control uses a simple RS485 MedLAN network that daisy chains up to 30 controls on one channel. The information from these controls can be brought to the plant’s Ethernet network by means of a WebVIEW Gateway. The WebVIEW Gateway is available in Single, Dual, and Quad Channel Configurations.

MedWeld 4000 Connectivity

Power Source
Voltage:	Single Phase AC 220V – 600V (± 10%)
Line Power Frequency:	50/60Hz (Automatic Selection)
Device Type:	SCR
Power Consumption:	70VA (Idling Condition)

Monitor and Control Functions
Weld Processor:	MedWeld 4000 Integrated
I / O Protocol:	Device Net, DIO, or PROFIBUS
Number of Weld Schedules:	Up to 63 – varies by user application
Number of Weld Steppers:	Up to 32 – varies by user application
Processor Storage Type:	RAM ( Battery Required)
Weld Processor Languages:	English with some options for one alternate French, Spanish, Portuguese

Monitoring and Control Functions
Firing Modes:	Primary Constant Current Automatic Voltage Control
Primary Current Range:	20A to Rated Current Level
Primary Current Accuracy:	± 1% Setting, ± .5% Repeatability
Machine Monitoring Functions:	Analog Input Window Functions Programmable Input Wait / Extend Functions Dynamic Weld Gun Squeezing Functions Wait for Line Voltage Functions C-Factor Monitoring and Limit Functions

Analog Interface Ports:

Local I/O Port
DIO, Device-Net or ProfiBus
Serial RS485 Port
Local Programming Port

Optional Devices:

Data Entry Panels (DEP100,300)
Weld Interface Laptop Software
WebVIEW
Weld / RAFT Gateway Network Software

MedWeld WT4000 AC Welding Applications:

Systems Integrator Kit Configurations
Portable Gun Station Controls
Seam Welding
Robotic Welding
Projection Welding

MedWeld 2200 Option

For stand-alone welding equipment, the MedWeld 2200 resistance weld control eliminates the need for a separate, costly weld monitor. The MedWeld 2200 provides both ease of use and ensures quality, repeatable welds. Its flexibility is unsurpassed in its category.

Single glance view of all weld functions while monitoring current, voltage, and power factor feedback from the illuminated 2 line, 40 character display. The MedWeld 2200 uses the same base control boards as the MedWeld WT4000 AC.

Download WTC MedWeld WT4000 AC Catalog [ PDF ]	Download WTC MedWeld WT6000 MFDC and AC Catalog [ PDF ]

LINK: WTC MedWeld WT4000 AC	LINK: WTC MedWeld WT6000 MFDC and AC

Weld Systems Integrators is a distributor of WTC resistance welding controls, keeping an inventory of IN-STOCK at our Warrensville Heights, Ohio location for quick shipment and delivery.

Contact Weld Systems Integrators

Weld Systems Integrators (WSI) is your complete source for standard and custom resistance welders, consumables, spare and replacement parts, and value-added services. We offer WORLDWIDE shipping from our Warrensville Heights, OH location.

CONTACT Weld Systems Integrators, or REQUEST A QUOTE on standard IN-STOCK inventory or fully custom welding equipment. To speak with a WSI team member, please give us a call at 844-WSI-WELD or 216-475-5629.

Quote Request EMail WSI

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