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OPERATING INSTRUCTIONS                                               TREND SERIES 

 

 
PROBLEM 

   POSSIBLE 

CAUSE 

   REMEDY 

 
 

No front panel indications

 

Fuse blown.  
Power source.

 

Replace fuse. 
Check power.

 

Display flashes zeroes.

 

Instrument turned off/on with function 
switch in Monitor Parts position.

 

Reset instrument by turning function 
selector to Standby/Clear.

 

Bypass/Clear LED flashing. 
Meter display off. 

 

Monitor/Calibrate switch (inside door) 
in calibrate position.

 

Set switch to Monitor (left) position.

 

Trend lights do not change. 
Meter does not display SPM or 
Tolerance settings.

 

Function switch in Bypass  position. 

 

Turn function switch to Monitor Parts 
to activate auto-timing for Strokes per 
minute.

 

High or Low Tolerance Alarms do not 
stop press.

 

Tolerance settings in OFF position. 

 

Select tolerances from 5% to 45% to 
activate tolerance alarms.

 

Alarms will not reset.

 

Function selector in Monitor 
Parts/Reset not Active. 
 
Possible open gage wire. 

 

Turn function keyswitch to Reset 
Active. 
 
Check strain gage wiring and 
connections.

 

Tolerance alarms stop machine 
before tolerance setting is reached. 

 

Capacity alarms settings have been 
activated.

 

Check Capacity Alarm Sets. 
Reset capacity alarms if required.

 

Alarms are fired or monitor tries to 
sample when machine is not running.

 

Strain Gain wires are run in conduit 
with high voltage wires.

 

Route sensor wires in separate 
conduit.

 

Display will not zero or unusual 
numbers are displayed. 

 

Switches on individual channel boards 
are improperly set. 

 

Move all channel board switches to 
forward position.

 

Display does not zero when RESET  
button is pressed. 

 

Normal condition in Monitor Parts 
position.  Display will zero only when 
resetting alarm condition.

 

With function switch in Standby, peak 
load display is reset.  In Monitor Parts, 
display is not reset when RESET is 
pressed.

 

Meter display off.  Press/Machine will 
not run.

 

Instrument turned off/on with function 
switch in Monitor parts position. 

 

Check power. 
 
Reset instrument by turning function 
switch to Standby/Clear then to 
Monitor Parts.

 

TREND alarms lit, machine machine 
continues to run.

 

Top stop wires are jumped out or 
press is being operated in inch mode.

 

Check wiring.  Operate in run mode.

 

 
 
 

Summary of Contents for Trend Loadgard TLG2300

Page 1: ...nt Company Inc 361 West Dussel Drive Maumee Ohio 43537 USA 419 893 4356 Fax 419 893 1371 www helminstrument com Trend Series TLG2300 TLG4500 Loadgard Operating Instructions Force Measurement and Contr...

Page 2: ...e limited to repairing or replacing any defective Product at no additional charge and returning Product to customer freight paid Repair parts and replacement Products shall be furnished on an exchange...

Page 3: ...OPERATING INSTRUCTIONS TREND SERIES EXPLANATION OF SYMBOLS Alternating Currrent Earth ground TERMINAL On Supply Off Supply Caution risk of electric shock Caution refer to accompanying documents iii...

Page 4: ...Procedures 10 Setting Capacity Alarm 11 Setting High Low Tolerance Limits 12 Establishing Optimum Tolerance Settings 12 Job Data Control Jdc 13 Initial Storing Of Capacity And Tolerance Settings 13 S...

Page 5: ...e HELM TREND LOADGARD control system provides protection for the die the product and the machine with minimal operator involvement The Loadgard takes a sample of the forming force of an ideal part sto...

Page 6: ...from vibration Care should be taken to insure that the instrument chassis ground is the same potential as the machine ground See Mounting Detail Illustration in Appendix A ENVIROMENTAL CONDITIONS This...

Page 7: ...20V operation 120V 10 50 60 Hz 500 mA Max Unit marked for 220V operation 220V 10 50 60 Hz 250 mA Max Installation Class III Replacement Fuses Replace fuses with main power OFF o Replace fuses with TT...

Page 8: ...eel cabinet card rack inside the instrument holds all the circuit boards Slot 1 is reserved for the optional computer interface card Slot 2 contains the microprocessor board that controls all instrume...

Page 9: ...on numbers will be noted on a tag inside the instrument Once calibrated it is not necessary to re calibrate unless the machine is moved dismantled or otherwise structurally changed If you have any que...

Page 10: ...AUTO ZERO switch to the OFF back position 2 Pull CALIBRATION switch to the OFF forward position 3 Adjust the ZERO BALANCE The zero balance BALANCE ADJUST controls are the small multi turn potentiomet...

Page 11: ...ess has been calibrated use the CAL numbers that are recorded for each channel If the press has not been calibrated use 50 as a temporary cal number Watch the digital meter and turn the GAIN ADJUST co...

Page 12: ...ND INCLUDING 500 TON TOTAL CAPACITY Put the METER RANGE selector to the LOW position Calculate the capacity of one corner by dividing the total machine capacity by the number of channels 4 Set the MET...

Page 13: ...witches labeled SW1 SW2 and SW3 EXAMPLE For a 100 ton machine rated at 50 tons per side set switches to 050 by setting left switch SW1 to 0 middle switch SW2 to 5 and right switch SW3 to 0 Re install...

Page 14: ...S ALARM SET PROCEDURES Capacity and tolerance alarm adjustments are located on the inside door panel Capacity alarms provide press overload protection Tolerance alarms provide tooling and die protecti...

Page 15: ...by four 4 for four channel systems Divide by two 2 for two channel systems 6 Watch the digital meter s and adjust capacity for each channel Models 2100 4100 use the LEFT or RIGHT DISPLAY button for di...

Page 16: ...44 tons high and 36 tons low There are two switches for each channel of monitoring one to establish the LOW alarm setting and one for the HIGH alarm setting Each switch is selectable from 5 to 45 in...

Page 17: ...h indicating data is being stored 6 To over ride and store new settings follow steps 1 5 STORING OF TARGET LOADS 1 Put JDC switch in Auto mode 2 Turn front panel keyswitch to monitor parts mode 3 TARG...

Page 18: ...Select job number to be recalled 2 Put JDC switch in auto mode 3 Capacity and Tolerance settings are activated for first hit protection 4 Press Target Load button on front panel to display target valu...

Page 19: ...Machine capacity alarms are active Press button labeled CAPACITY ALARMS to display alarm settings on each channel The alarm RESET button will initiate a PEAK reset The REVERSE LOAD and strokes per min...

Page 20: ...aken Any load change that meets or exceeds the tolerance settings will cause an alarm condition and activate the machine stop relay In Monitor Parts Reset Not Active the ALARM RESET button is inactive...

Page 21: ...from remote location With computer set limits JDC and manual selector switches are inactive and computer has control DIGITAL METER DISPLAY During normal operation the center digital meter displays the...

Page 22: ...lights are on the last part was formed at the same load as the sampled benchmark no deviation in load The top red lights of each column represents the HIGH alarm trip point as set by the tolerance se...

Page 23: ...ng developed throughout the entire stroke of the machine Each die has its own unique signature similar to an electro cardiogram Analyzing each of the subtle peak forces developed during the stamping p...

Page 24: ...STROKES PER MINUTE button to display machine operating speed on center meter Two machine cycles are required before SPM is displayed TOLERANCE ALARMS Press the TOLERANCE ALARMS button to display high...

Page 25: ...t only The unit should be wiped dry then allowed to air dry before returning to service Internal printed circuit board cleaning is accomplished by removing individual boards and cleaning with an appro...

Page 26: ...OPERATING INSTRUCTIONS TREND SERIES A...

Page 27: ...OPERATING INSTRUCTIONS TREND SERIES B...

Page 28: ...OPERATING INSTRUCTIONS TREND SERIES C...

Page 29: ...OPERATING INSTRUCTIONS TREND SERIES D...

Page 30: ...the filter board on the inside panel marked DO NOT REMOVE Use existing thumbwheel screws on left side of panel Remove the top two screws and attach filter board on top of panel as shown below Route c...

Page 31: ...The connector for computer hook up is J4 2 J14 is the connector for the sine cosine resolver input Refer to drawing B10W996 1 for wiring detail 3 There is a 422 to TTL converter on the card 422 plugs...

Page 32: ...OPERATING INSTRUCTIONS TREND SERIES G...

Page 33: ...OPERATING INSTRUCTIONS TREND SERIES H...

Page 34: ...ONS TREND SERIES Model TLG 8000 This appendix describes additional operating instructions for the standard TLG 8000 and TLG 8000DP with Cam Limit Switch Refer to drawings T 2435 42 and T 2435 41 follo...

Page 35: ...OPERATING INSTRUCTIONS TREND SERIES J Appendix C TLG 8000 Operation Guidelines...

Page 36: ...OPERATING INSTRUCTIONS TREND SERIES K Appendix C TLG 8000 Operation Guidelines...

Page 37: ...nit page 3 3 Monitor Calibrate switch in left monitor position page 7 4 Capacity alarm switch in left off position page 11 5 Auto Zero switch on each channel board in forward on position pages 6 7 6 C...

Page 38: ...to 4 2 volts Red 3 8 to 4 2 volts Orange 3 8 to 4 2 volts Yellow 11 5 to 12 5 volts Green 11 5 to 12 5 volts Blue 3 8 to 4 2 volts Grey 0 volts White 4 75 to 5 25 volts Miscellaneous Troubleshooting S...

Page 39: ...OPERATING INSTRUCTIONS TREND SERIES N...

Page 40: ...OPERATING INSTRUCTIONS TREND SERIES O...

Page 41: ...OPERATING INSTRUCTIONS TREND SERIES P...

Page 42: ...OPERATING INSTRUCTIONS TREND SERIES Q...

Page 43: ...OPERATING INSTRUCTIONS TREND SERIES R...

Page 44: ...OPERATING INSTRUCTIONS TREND SERIES S...

Page 45: ...ections Tolerance alarms stop machine before tolerance setting is reached Capacity alarms settings have been activated Check Capacity Alarm Sets Reset capacity alarms if required Alarms are fired or m...

Page 46: ...OPERATING INSTRUCTIONS TREND SERIES U...

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