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User’s Guide

3M

™

Static Monitor 790

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Summary of Contents for Static Monitor 790

Page 1: ...User s Guide 3M Static Monitor 790 ...

Page 2: ...rkbench or Equipment Chassis 8 4 0 Operating Your System 9 5 0 Connecting an Operator to the Static Monitor 790 11 6 0 Verification Procedure 12 7 0 Specifications 14 8 0 Parts Included 15 9 0 Required Accessories and Optional Available Parts 15 Regulatory Information and Warranty 16 Read and understand all safety information before operating this equipment ...

Page 3: ...nitor 790 use the three prong AC adapter or the supplied chassis ground cords specified in the user instruction manual The Static Monitor 790 does not have the capability of verifying that the ground point is a suitable ground Verify that the electrical ground point is suitable prior to use If you are not sure what a suitable ground is contact a licensed electrician before installation When using ...

Page 4: ...d and wrist band The ground connection of the Static Monitor 790 is continuously monitored through a low DC current loop measurement circuit The ground connection of an equipment chassis can also be monitored when connected in series with the monitor s ground measurement circuit An alarm will sound with corresponding red lamps when this loop resistance exceeds 10Ω If all monitored components are o...

Page 5: ...round wire of the AC adaptor to the ground terminal of the two wire connector by inserting it into the opening and securing with screwdriver Attach one of the supplied Static Monitor 790 Chassis Ground Cords tinned end to the chassis terminal of the twowire connector in the same manner Attach the ring terminal end of the Chassis Ground Cord to an earth electrical ground with a screw not supplied P...

Page 6: ...re connector into the jack at the rear of the Static Monitor 790 Figure 3A and 3B 3M Static Monitor 790 Connected Directly to Ground or Through Equipment Chassis Ground When using two Chassis Ground Cords attach each of the cords to separate ground bonding points By attaching the cords to the same ground but at different physical locations the monitor can check for loose or lost connections CAUTIO...

Page 7: ...790 through a Chassis Ground Cord perform the following steps Attach one of the supplied Chassis Ground Cords tinned end to the ground terminal of the two wire connector by inserting it into the opening and securing with screwdriver Attach the other Chassis Ground Cord to the chassis terminal of the two wire connector in the same manner Attach the ring terminal end of the Chassis Ground Cord conne...

Page 8: ... mounted to with isopropyl alcohol Remove release liner from tape before mounting b Two 8 pan head machine or wood screws not supplied Attach the Static Monitor 790 to the mounted plate as shown in Figure 4 Align the plate with the opening on the bottom of the monitor and slide forward onto plate until it latches Figure 4 Attachment of Mounting Plate to 3M Static Monitor 790 Figure 6 3M Static Mon...

Page 9: ...ternal reference voltages 1V 3V 6V and 9V with 1V being the most sensitive setting and 9V the least sensitive Select a voltage level by sliding the switch to the appropriate position These ranges have been designed to accommodate global ESD requirements The selection of this operational parameter is based upon the user s ESD control program requirements Fault Conditions Lamps Audible Alarms For wr...

Page 10: ...ault would normally be short and coincide with their body movement Alarming can also be caused by an intermittent or high resistance in the wrist strap s dual conductor ground cord Replace a suspect cord with a known good ground cord or check the end to end resistance of the cord using an ohmmeter Approximately 1 megohm of resistance should exist between the tip to tip and barrel to barrel contact...

Page 11: ...ored and the operator s voltage is held below the pre selected range the cord wrist band and contact to the arm of the wearer are all considered to be functioning correctly At this time the green lamp illuminates on the front of the monitor If an operator s develops a voltage that exceeds the pre selected voltage during normal work activities or the monitor loses its ground connection the green la...

Page 12: ...olume Level Functions Ground Disconnect Specification 10Ω 20 a Connect the RSB to the two wire male connector with 24 tinned lead wires Insert the two wire male connector into the mating jack located at the rear of the monitor b Connect the AC adaptor supplied with the Static Monitor 790 to the 25VDC input power jack located at the rear of the monitor and plug the AC adaptor into a wall outlet c S...

Page 13: ...est V Level Specification 1V 15 3V 6V and 9V 10 d Unplug the AC adaptor from the wall outlet e Adjust DCPS output to 0VDC f Connect a wire between the positive output terminal of the DCPS and to one of the back plates of the test wrist band socket Connect a wire between the common of the DCPS to the other back plate of the test wrist band socket Note Be careful not to cause a short condition betwe...

Page 14: ... on the 3M Static Monitor 790 verifying performance as stated above n Change voltage polarity to the wrist band test socket by reversing the wires previously connected in step f above at the test socket or at the output terminals of the DCPS and verify performance repeating steps I M 7 0 Specifications 3MTM Static Monitor 790 Approximate Size 1 25 H x 4 0 W x 3 5 D 31 8 mm x 101 6 mm x 88 9 mm Wei...

Page 15: ...tor 790 1 ea User s Guide 1 ea Mounting Plate with removable foam tape 1 ea AC Adaptor 2 ea Chassis Ground Cords 1 ea Two wire Connector 9 0 Required Accessories and Optional Available Parts Model No Description Size 2368VM 3M Dual Conductor Fabric Wrist Band adjustable 2360 3M Dual Conductor Coil Cord 5 ft 1 5m 2370 3M Dual Conductor Coil Cord 10 ft 3 0m 2371 3M Dual Conductor Coil Cord 20 ft 6 1...

Page 16: ... proven not to conform with 3M s Regulatory Information Sheet then 3M s entire liability and buyer s exclusive remedy will be at 3M s option either i replacement of product with a conforming product or ii refund of the purchase price paid by buyer for each nonconforming product within a reasonable time after written notification of said nonconformance and return of said product to 3M 3M shall not ...

Page 17: ...equired to correct the interference at their own expense NOTE Modifications to this device shall not be made without the written consent of 3M Unauthorized modifications may void the authority granted under Federal Communication Rules and Industry Canada Rules permitting the operation of this device This device complies with Part 15 of the FCC Rules Operation is subject to the following two condit...

Page 18: ...se order shall have no force or effect unless expressly agreed upon in writing by an authorized officer of 3M Warranty Limited Remedy Limited Liability This product will be free from defects in material and manufacture for one year from the time of purchase 3M MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE If this ...

Page 19: ... similar products for Anti Static Control Products category Click to view products by SCS manufacturer Other Similar products are found below CTM082 66202 718A 732 73611 746P 749 8024 8033 12809 2210 2370 19325 AMWS61M 3057 35689 0800546 09186 09813 66222 ...

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