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Summary of Contents for 3M Static Monitor 790
- Page 1 Static Monitor 790 ™ User’s Guide...
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Page 2: Table Of Contents
Static Monitor 790 to a Workbench 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 Specifications ...................14 8.0 Parts Included ....................15 9.0 Required Accessories and Optional Available Parts ........15 Regulatory Information and Warranty ............16... -
Page 3: Intended Use
• 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. -
Page 4: Theory Of Operation
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. -
Page 5: Attaching Ground & Chassis Cords
CAUTION The 3M Static Monitor 790 does not have the capability of verifying that the ground point is a suitable ™ ground. If you are not sure what a suitable ground is, contact a licensed electrician before installation. 2.0 Attaching Ground and Chassis Cords Tools required –... - Page 6 Chassis/Ground AC Adapter Chassis/GroundCord Ground Wire Cord Ground Wire or Chassis/Ground or Chassis/Ground Existing Equipment Cord Cord Ground Wire Electrical Ground Figure 3A and 3B - 3M Static Monitor 790 Connected Directly to Ground or Through Equipment Chassis Ground ™...
- Page 7 Grounded Equipment Chassis Determine how you want to ground the Static Monitor 790: a. If you are grounding the Static Monitor 790 through the 3-wire AC adaptor supplied, perform the following steps: • Attach the tinned ground wire of the AC adaptor to the ground terminal of the two-wire connector by inserting it into the opening and securing with screwdriver.
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Page 8: Attaching The 3M ™ Static Monitor 790 To A Workbench Or Equipment Chassis
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... -
Page 9: Operating Your System
Static Monitor 790 by inserting the round connector ™ on the end of the AC adaptor, into the jack at the rear of the Static Monitor 790. Plug the AC adaptor into an appropriate electrical outlet. The green lamp should illuminate, signaling that the unit is operational and that there are no alarm conditions. - Page 10 If the 3M Static Monitor 790’s alarm activates when the operator is not ™ moving (normally a non-charging situation), the cause is most likely due to poor contact between the wrist band and the arm.
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Page 11: Connecting An Operator To The Static Monitor 790
Note: Following the attachment sequence above provides an operator(s) with a simple go-no-go test of the wrist strap function every time they connect to the Static Monitor 790. A more detailed verification procedure of the Static Monitor 790 system is outlined in Section 6. -
Page 12: Verification Procedure
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. - Page 13 Insert the Dual Conductor Cord (shorter plug end) into the test wrist band socket and the other end of the cord (longer plug end) into one of the wrist strap inputs on the front of the Static Monitor 790. h. Plug the AC adaptor into the wall-outlet.
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Page 14: Specifications
The AC adaptor is required to operate the Static Monitor 790. If the ground wire of the AC adaptor is not used, it is recommended that the wire be taped back onto the main cable of the AC adaptor using electrical tape. -
Page 15: Parts Included
Environmental Operating Conditions: Temperature: Maximum 104°F, (40ºC) Minimum 50°F (10ºC) Humidity: Maximum 75% R.H. 8.0 Parts Included 1 ea. 3M Static Monitor 790 ™ 1 ea. User’s Guide 1 ea. Mounting Plate with removable foam tape 1 ea. AC Adaptor 2 ea. -
Page 16: Regulatory Information And Warranty
In the event any product is 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... - Page 17 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.
- Page 18 UL Listed to U.S. and Canadian Safety Standards. Mark of Conformity to European Directives (Conformité Européene). 3M is a trademark of 3M Company. Other trademarks used herein are the properties of their respective owners. Important Notice All statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed.
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