Honeywell 81521 Micro Switch Global Limit Switches Instruction Manual
- October 27, 2023
- Honeywell
Table of Contents
Honeywell 81521 Micro Switch Global Limit Switches Instruction Manual
⚠ WARNING
IMPROPER INSTALLATION
- Consult with local safety agencies and their requirements when designing a machine-control link, interface, and all control elements that affect safety.
- Strictly adhere to all installation instructions. Failure to comply with these instructions could result in death or serious injury.
MOUNT, WIRE, AND SEAL THE SWITCH
⚠ WARNING
IMPROPER OPERATION
- Ensure switch actuator achieves sufficient travel for
positive opening of normally closed (NC) contacts to
occur.
Failure to comply with these instructions could result in death or serious injury.
-
Refer to:
• Page 5 for adjustments
• Pages 8 to 12 for specific travel distances for each
switch code and specifications
• Page 5 for proper application of limit switches
• Page 13 to 18 for switch mounting dimensions -
Perform adjustments (if desired):
• Head orientation (Figure 1, page 5)
• Actuation direction (Figure 2, page 5)
• Side rotary switches with 36 drive lever positions
(Figure 3, page 5): -
Mount switch at top corners of switch using two M4 or #8 screws. For GLD products torque screws to 2,7 Nm to 3,4 Nm [24 in-lb to 30 in-lb]. For GLC & GLE products torque screws to 3,1 Nm to 3,7 Nm [27 in-lb to 33 in-lb].
-
Remove screws on cover plate.
-
Connect stranded wire (0,75 mm2 to 2,3 mm2, 18-14 AWG) or solid wire (0,75 mm2 to 1,5 mm2, 18-16 AWG) to contact block terminals (use 90 °C wire when ambient temperature is over 75 °C). Torque switch terminal screws to 0,8 Nm to 1,0 Nm [7 in-lb to 9 in-lb].
-
Seal conduit opening according to instructions in PK 80112.
-
Reassemble cover plate, and torque cover screws to 0,5 Nm [4.4 in-lb].
FIELD ADJUSTABLE HEAD FIELD
CAMPO DE CABEZA AJUSTABLE
OPERATION REQUIREMENTS
REQUISITOS DE FUNCIONAMIENTO
TERMS CONDICIONES
PRODUCT NOMENCLATURE
Figure 5. Head Code: A Side Rotary Angular Operating Characteristics
Notes:
- Free position, operate point, over travel and pre-travel all to EN 50047
- Operating characteristics apply to counter clockwise (CCW) and clock wise (CW) actuation
- Refer to page 6 for instructions on how to read operating characteristics and specifications
- Contact block terminal designation to EN 50013
- Tightening torque GLC/GLD: 0,5 Nm [4.4 in-lb] max.
- Tightening torque GLE: 0,339 Nm [3 in-lb] max.
Figure 6. Head Code: B Pin Plunger Operating Characteristics
Notes:
-
Free position, operate point, overtravel, and pretravel all to EN 50047
-
Refer to page 6 for instructions on how to read operating
characteristics and specifications -
Contact block terminal designation to EN 50013
Figure 7. Head Code: C Roller Plunger Operating Characteristics
Notes:
-
Free position, operate point, overtravel, and pretravel all to EN 50047
-
Refer to page 6 for instructions on how to read operating
characteristics and specifications -
Contact block terminal designation to EN 50013
Figure 8. Head Code: D Top Roller Lever Operating Characteristics
Notes:
-
Free position, operate point, overtravel, and pretravel all to EN 50047
-
Refer to page 6 for instructions on how to read operating
characteristics and specifications -
Contact block terminal designation to EN 50013
Figure 9. Head Code: K Wobble Stick Angular Actuation Operating Characteristics
Notes:
-
Free position, operate point, over travel and pre-travel all to EN 50047
-
Refer to page 6 for instructions on how to read operating
characteristics and specifications -
Contact block terminal designation to EN 50013
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of defective
materials and faulty workmanship. Honeywell’s standard product warranty
applies unless agreed to otherwise by Honeywell in writing; please refer to
your order acknowledgement or consult your local sales office for specific
warranty details. If warranted goods are returned to Honeywell during the
period of coverage, Honeywell will repair or replace, at its option, without
charge those items it finds defective. The foregoing is buyer’s sole remedy
and is in lieu of all other warranties, expressed or implied, including those
of merchantability and fitness for a particular purpose. In no event shall
Honeywell be liable for consequential, special, or indirect damages.
While Honeywell may provide application assistance personally, through our
literature and the Honeywell web site, it is up to the customer to determine
the suitability of the product in the application.
Specifications may change without notice. The information we supply is
believed to be accurate and reliable as of this printing. However, we assume
no responsibility for its use.
For more information Honeywell Advanced Sensing Technologies services its customers through a worldwide network of sales offices and distributors. For application assistance, current specifications, pricing or the nearest Authorized Distributor, visit sps.honeywell.com/ast or call:
Asia Pacific +65 6355-2828
Europe +44 1698 481481
USA/Canada +1-800-537-6945
Honeywell Advanced Sensing Technologies
830 East Arapaho Road
Richardson, TX 75081 sps.honeywell.com/ast
PK 81521-11-ML | 11 | 05/21 © 2021 Honeywell International Inc. All rights reserved.