Page of 4
Download Bookmark Comment

Murphy HD9063 Series Installation And Operation Instructions

Murphy dual set point speed switch installation and operation instructions.
Hide thumbs
   
HD-96044N
Revised 03-01
Installation and Operation Instructions for
Section 20
(
00-02-0179)
Dual Set Point Speed Switch
HD9063 Series
Please read the following information before installing. A visual inspection of this product for damage during shipping is recommended
before mounting. It is your responsibility to have a qualified person install this unit and make sure it conforms to NEC and local codes.
GENERAL INFORMATION
WARNING
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT
Disconnect all electrical power to the machine.
Make sure the machine cannot operate during installation.
Follow all safety warnings of the machine manufacturer.
Read and follow all installation instructions.
Description
Specifications
Power Supply:
The HD9063 Series is a unitized two set point speed switch with
Voltage: 8-30 VDC
SPDT relay outputs. HD9063 is a PC-board configuration with
Maximum Current: 150 mA
standoffs for mounting in a control panel or cabinet.
Frequency Signal:
Models are available for crank disconnect/overspeed and for
Voltage, Magnetic Pickup Signal Models
underspeed/overspeed applications. Trip points can be field
• Minimum: 0.35 Vrms
adjusted on all models. LED's next to the set point potentiometers
• Maximum: 60 Vrms
indicate that the trip point has been reached and the relay(s) have
Maximum Current, Magnetic Pickup Signal Models: 4.8 µA.
operated. An overspeed test circuit is built-in; it will actuate the
Adjustment Range, Magnetic Pickup Signal Models
output relay at a point below actual overspeed set point.
• HD9063 Model
The HD9063 can disconnect the starter on automatic start engine
Crank Disconnect: 250-6,000 Hz
Overspeed: 1,100-10,000 Hz
applications and shutdown the engine if an overspeed situation
• HD9063-USOS Model
occurs. Re-engagement of the starter is inhibited until RPM
Underspeed: 200-5,800 Hz
returns virtually to zero.
Overspeed: 1,100-10,000 Hz
HD9063-USOS models allow operation of control circuits
Reset Differential, Magnetic Pickup Signal Models
according to the speed of the driver or as a pre-alarm.
• HD9063 Model
Two separate adjustable speed switches are included on one
Crank Disconnect: Dropout 160 Hz ± 5%
common board.
Overspeed: 200 Hz Differential
• HD9063-USOS Model
Underspeed: +5% of Set point Differential
Overspeed: 155 Hz ± 10% Differential
Output: Relay Contact, SPDT, Resistive Load: (2) 5 A, 30 VDC
Adjustment: (2) 270°–turn potentiometer
Temperature Range: 14 to 158°F (-10 to 70°C)
HD-96044N page 1 of 4

   Related Manuals for Murphy HD9063 Series

   Summary of Contents for Murphy HD9063 Series

  • Page 1: Specifications

    ✔ Read and follow all installation instructions. Description The HD9063 Series is a unitized two set point speed switch with SPDT relay outputs. HD9063 is a PC-board configuration with standoffs for mounting in a control panel or cabinet. Models are available for crank disconnect/overspeed and for underspeed/overspeed applications.

  • Page 2

    Crank Disconnect Relay An understanding of the crank disconnect function for your par- ticular system is critical to speed switch installation. It is also important to consider the 5 A current limitation of K1 relay con- tacts. Figure 1 illustrates the use of a low-current pilot relay to operate the high-current starter solenoid.

  • Page 3

    2. Connect the magnetic pickup cable conductors to terminals 6 and 7. 3. If cable is shielded, connect shield to engine chassis ground. 4. If desired, connect a normally open test push button switch between terminals 8 and 9. 5. Connect crank disconnect circuit to crank disconnect termi- nals 1 thru 3 as discussed in Crank Disconnect Relay Function, page 2.

  • Page 4

    Warranty A limited warranty on materials and workmanship is given with this FW Murphy product. A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm FRANK W. MURPHY, LTD. Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.

Comments to this Manuals

Symbols: 0
Latest comments: