Nexen SBPA05 964950 - Manual (Page 6)

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.