Avtron AV67 Manuale di istruzioni - Pagina 2

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NOTE

THIN-LINE III

directly replaces THIN-LINE II

ITM

THIN-LINE

models. THIN-LINE III models have Rev

Code BA or later. Special option 4xx selects an alternate

PPR code defini tion. Example: PPR Code 0, Special

Option Code 401 = 1270 PPR (Left), No Right Output.

INSTALLATION

Installation and removal videos for the AV56A/67/85/115 are available

on Avtron's web site. Refer to the back page of these instructions for

outline and mounting dimensions. The motor must comply with 1998

NEMA MG 1, section 4, for tolerances on diameters and runout for

shafts and accessory faces. Axial float or endplay must be less than

±0.050".

In preparation for installing the Model AV56A encoder, it is first

necessary to clean both the accessory motor shaft and the mounting

face. These surfaces must be inspected and any paint, burrs, or other

surface imperfections removed.

Installation procedures should be performed only by qualified

personnel. Safety precautions must be taken to ensure machinery

cannot rotate and all sources of power are removed during installation.

ROTOR INSTALLATION

The motor shaft must project at least 0.63" from the motor face. For

set screw rotors only: Apply anti-seize compound to the motor shaft.

For all rotors: Slide the rotor onto the shaft with the marking "Motor

side" facing in, (toward the motor face). The rotor centerline must

match the sensor centerline. To accomplish this, use the rotor locating

gauge (A28503) and slide the rotor onto the shaft until it is in the

proper position as shown in Figure 1. If a guage is not available, use

the stator housing alignment grooves as shown in Figure 3.

ELECTRICAL

A. Operating Power (Vin)

1. Volts ........................5-24 VDC

2. Current ...................80mA, each output, no load

B. Output Format

–

1. 2O / & Comp ...........A,A

2. Marker ....................1/Rev, Z,Z

C. Signal Type .................Incremental, Square Wave, 50 ±10% Duty Cycle.

D. Direction Sensing .......O / A leads O / B for CW rotation as viewed from the

..................................

back of the tach looking at the non-drive end of the

.................................

motor.

E. Phase Sep. .................15% minimum

F. Frequency Range .......@5V, @1m cable, 250 kHz Max

.................................

@24V, @300m cable, #8 output, 45 kHz Max

G. PPR .............................4-50000

H. Line Driver Specs .......See table

I. Connectors .................See connector options on page 1

J. Integral LED Indicator ..GREEN: power on, unit ok. RED: alarm on

.................................

ORANGE: wiring fault

MECHANICAL

A. Rotor Inertia:...............0.17-0.36 Oz. In. Sec.

B. Acceleration:...............5000 RPM/Sec. Max.

C. Speed: .........................5400 RPM Max.

D. Weight: ........................2-3 lbs [0.9kg to 1.36kg].

E. Sensor to Rotor

Air Gap (nominal):.......0.021" [0.58mm]

Tolerance: ...................0.015" [0.38mm]

F. Rotor Axial Tolerance .±0.050" [±1.27mm]

ENVIRONMENTAL

Solid cast aluminum stator and rotor

Fully potted electronics, protected against oil and water spray

Use "W" cable option on IP66/67 applications

V-Ring seals provided on through shaft covers

Operating Temperature: ........... -40 to 100°C, 0-100% condensing humidity

Vibration: 18 g's

Shock: 1 meter drop test

and

SPECIFICATIONS

–

, B,B

(differential line driver)

–

STANDARD CAM SCREW ROTOR INSTALLATION

Turn the cam screws of the rotor in the directions shown on the rotor

to engage the cams. Tighten to 50-60 in-lb [5.6 - 6.8 N-m] (See Figure

2) using the 3mm hex wrench. Total cam screw rotation will be less

than one turn.

CAUTION

Do not adjust the cam screws before motor shaft

mounting; bottoming out the screws, or backing them

out excessively, can lead to insufficient shaft holding

force. Thread locker is preapplied on the cam screws.

LARGE BORE SET SCREW ROTOR INSTALLATION

Apply thread lock er to the rotor set screw holes, preferably from the

inside of the rotor bore before mounting. Tighten the rotor set screws

to 15 in-lb [2 N-m] using the 2mm T-handle hex wrench.

CAUTION

Use only a T-handle or torque hex wrench to tighten

set screws; using a right angle wrench will not provide

enough holding force, and the rotor may slip.

STATOR HOUSING INSTALLATION

The stator housing is attached to the motor using four socket head cap

screws (4) 3/8"-16, locating on a 5.88" bolt circle. Longer bolts (not

included), are required for sandwich installation between a motor and

a brake. Install the four mounting bolts using thread locker and torque

to approximately 20-30 ft lbs [27 to 40 N-m] using the 5/16" T-handle

hex wrench.

LINE DRIVER OPTIONS

Electrical Specifications

Input Voltage

Nom Output Voltage

Line Driver

Output Resistance Typ

Maximum Peak Current

Maximum Average

Current

Voh Typ

Vol Typ

Cable Drive Capacity

Reverse

Voltage

Short

Protection

Circuit

Transient

Power to A,

Gnd to A/

+V(out)

Alarm

Alarm*

LED

Marker

*Alarm not available on connector option "G" (Northstar

** Electrical specifications for THIN-LINE III model (rev BA or later), consult

Nidec Avtron for earlier model specifications.

AV56A

LINE DRIVER OPTIONS

5-24

7272

1500

3000

1500

120

250

120

-1

0.2 @ 10mA line

0.5

current

1000' @ 5V

500' @ 12V

1000'

200' @ 24V

yes

Output voltage equal to input voltage.

Open collector, normally off, goes low on alarm,

sink 100mA max, 50VDC max

Green=power on, Red=Alarm, Orange=Wiring Error

One per revolution. Pulse width

approximately 2°

compatible pinout)

Units

VDC

ohms

VDC

feet