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Installation – Nexen SBPA05 964950 User Manual

Page 6

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FORM NO. L-21067-C-0813

6

INSTALLATION

MOUNTED ON THE SHAFT END OF A MOTOR (continued)

7. Standard Configuration:

Attach the Quick Exhaust Valve (Item 23) to the brake.
Use Teflon tape and/or pipe sealant on the threads.

With Optional Solenoid:

If you are using the optional Solenoid Valve (Nexen Part
#964650), the Quick Exhaust Valve is unnecessary.
Assemble the optional Solenoid Valve directly to the
brake using the supplied fittings. Use Teflon tape and/
or pipe sealant on the threads. Refer to Figure 4.

DANGER

Support the load before disengaging
the brake. Failure to support the load
could result in serious bodily injury.

TABLE 1

Standard Coil:

24VDC

4 Watts

Power

Voltage

145 Ohms

Resistance

Current

CV

.17 Amps

.25

OPTIONAL SOLENOID VALVE SPECIFICATIONS

FIGURE 4 Optional Solenoid Valve Part #964650.

Exhaust

Silencer

To Brake

Air Supply

Tube Fitting

Manual

Override

DIN

Connector

Lead Wires

1/8 NPT

CAUTION

The Servo Brake will engage if you depress

the domed button at the top of the Solenoid

Valve (if air pressure is supplied). The LED will

illuminate when the Solenoid Valve is actuated

and the Servo Brake is engaged. Unit has been

designed to engage before (at or below) 5.5

bar [80 psi]. Required engagement pressure

higher than 5.5 bar [80 psi] may indicate

improper assembly.

CAUTION

24 VDC valve connector has a
suppression diode installed across the
coil. Observe proper voltage polarity or
connector damage will result.

NOTE: Align the air inlet ports in the down position

to allow condensation to drain out of the air

chamber.

8. Assemble the air line to the valve.

9. Connect the lead wires from the valve to the brake

control connection points on the Motor Drive or the
PLC. Refer to Table 1.

Lead Wire Cable:

Brown wire = positive

White wire = common

Green wire = ground

10. Attach the Gear Reducer or the load to the Brake

Shaft.

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