Plantronics DYNZ-600 Series Introduction, Specifications, F-23371, Page, 2.1.1, Common Electrical

F-23371

Electronic Speed Switch Technical Manual

Page 1

1.0 INTRODUCTION

2.1.1

COMMON ELECTRICAL

SPECIFICATIONS

The Barber-Colman two setpoint speed switch

FOR DYNZ-60010, DYNZ-60012 AND DYNZ-60013

normally obtains its input signal from a magnetic

Ambient Operating Temperature: -40 to +185°F (-

pickup which is positioned in proximity to the teeth of

40 to +85°C).

a gear on a rotating shaft. The pickup generates an

Maximum Operating Current: 0.20 amperes.

AC signal voltage whose frequency is directly

Input Signal Voltage: 0 7 Vrms minimum into 33 k

proportional to the rate at which the gear teeth pass

ohm load.

by the pole piece. The speed switch converts the

Trip Setpoint: Adjustable 325 to 10,000 Hz.

input signal voltage into a DC signal which is

SW1: Factory set at 1100 Hz.

compared to the preset levels (setpoints) and actuate

SW2: Factory set at 3600 Hz.

the relays when the input signal frequency exceeds

Repeatability: ±5 Hz or ±1%,

whichever is greater.

the preset values.

2.1.2 ELECTRICAL SPECIFICATIONS FOR DYNZ-

Note

60010

Barber-Colman believes that all information provided

Power Input: 8 to 40 Vdc.

herein is correct and reliable and reserves the right to

Voltage Transients: Withstand 200 volts forward and

update at any time. Barber0Colman does not assume

reverse peaks of 10 milliseconds duration at 5 ohms

any responsibility for its use unless otherwise expressly

source input impedance. Withstand 80 volts forward

undertaken.

Document

and reverse peaks of 50 milliseconds duration at 50

ohms source i put impedance.

1.1 APPLICATION

Hysteresis:

•

Overspeed Protection Signal

SW1: Crank dropout, non-latchi g; nominal 165 Hz

•

Underspeed Protection Signal

SW2: Overspeed, latching; 100% of setpoint.

•

Crank Termination Signal

Relay Contact Rating:Only10 amperes at 30 Vdc

• Generator Field Flashing Signal

Reference

resistive.

•

Ignition Signal

Overspeed Response Time: With the overspeed set

•

Sequencing Signal

at 4140 Hz a d a steady input frequency of 3600 Hz,

Uncontrolled

Hysteresis:

• Tach Signal for Driving Model 40 Tachometer

then switching the input frequency to 5000 Hz must

result

in the overspeed relay operating in 90

Caution

millis

conds or less.

As a safety measure, Barber-Colman Company

2.1.3 ELECTRICAL SPECIFICATIONS FOR DYNZ-

recommends that all engines and turbines be equipped

with an independent overspeed shutdown devise.

60012

istorical

Power Input: 59 to 88 Vdc.

Voltage Transients: Withstand 200 volts forward and

1.2 RELAY LOGIC TABLE FOR SPEED SWITCHES

reverse peaks of 10 milliseconds duration at 50 ohms

source input impedance. Withstand 80 volts forward

Power to U

it

Power to Unit and

and reverse peaks of 50 milliseconds duration at 50

Switch

and Input Sig

al

Input Signal

Frequency

Frequency above Trip

ohms source input impedance.

below Trip Point

Point

DYNZ-60010

De-energized

Energ zed (non-

SW1: Crank dropout, non-latching; nominal 165 Hz

SWl Relay

10 to 12

closed

latching)

SW2: Overspeed, non-latching; 0% of setpoint.

Contacts

11 to 12 open

10 to 12 open

H11 to 12 closed

Relay

Contact

Rating: 0.75 amperes at

88

Vdc

For

resistive.

DYNZ-60010

Energized

De-energized (latched)

OS-SW2

7 to 9 open

7 to 9 closed

Overspeed Response Time: With the overspeed set

Relay

8 to 9 closed

8 to 9 open

Contacts

at 4140 Hz and a steady input frequency of 3600 Hz,

DYNZ-60012

De-energized

Energized (non-

then switching the input frequency to 5000 Hz must

SW1 Relay

10 to 12 closed

latching)

result

in the

overspeed relay

operating

in

75

Contacts

11 to 12 open

10 to 12 open

milliseconds or less.

11 to 12 closed

DYNZ-60012

De-energized

Energized (non-

2.1.4 ELECTRICAL SPECIFICATIONS FOR DYNZ-

OS-SW2

7 to 9 closed

latching)

Relay

8 to 9 open

7 to 9 open

60013

Contacts

8 to 9 closed

Power Input: 8 to 40 Vdc.

DYNZ-60013

De-energized

Energized (non-

SW1 Relay

10 to 12 closed

latching)

Voltage Transients: Withstand 200 volts forward and

Contacts

11 to 12 open

10 to 12 open

reverse peaks of 10 milliseconds duration at 50 ohms

11 to 12 closed

source input impedance. Withstand 80 volts forward

DYNZ-60013

De-energized

Energized (non-

and reverse peaks of 50 milliseconds duration at 50

OS-SW2

7 to 9 closed

latching)

Relay

8 to 9 open

7 to 9 open

ohms source input impedance.

Contacts

8 to 9 closed

Hysteresis:

2.0 SPECIFICATIONS

SW1: Crank dropout, non-latching; nominal 165 Hz

SW2: Overspeed, non-latching; 0% of setpoint.

2.1 ELECTRICAL

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