Avtron M3-9 Petunjuk

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Nidec-Avtron Makes the Most Reliable Encoders in the World

8 9 0 1 E . P L E A S A N T VA L L E Y R O A D • I N D E P E N D E N C E , O H I O 4 4 1 3 1 - 5 5 0 8

T E L E P H O N E : ( 1 ) 2 1 6 - 6 4 2 - 1 2 3 0 • F A X : ( 1 ) 2 1 6 - 6 4 2 - 6 0 3 7

E - M A I L : t a c h s @ n i d e c - a v t r o n . c o m • W E B : w w w . a v t r o n e n c o d e r s . c o m

DESCRIPTION

The Avtron Model M3-3, M3-4, M3-5, M3-6, M3-7, M3-8,

M3-9, M3-A, M3-B, M3-C, M3-D, M3-E, M3-F, M3-G, M3-H, and

M3-J Hollow Shaft Encoders are speed and position incremental

transducers (also known as tachometers or rotary pulse generators).

When mounted to a motor or machine, their output is directly

proportional to shaft position (pulse count) or speed (pulse rate). The

M3 operates down to zero speed and can be used for both control and

instrumentation applications.

The M3 Hollow Shaft Encoders eliminate the need for shaft couplings,

adapter flanges, or accessory mounting faces. The unit employs a

hollow shaft and clamping collar to lock the encoder to the shaft. An

anti-rotation bracket prevents rotation of the encoder while allowing

for shaft end float.

The enclosures on all Model M3s help protect the internal components

from the entry of dust and liquids.

All M3s utilize a photoelectric sensing system. All M3s can be equipped

with one or two outputs. Each output is electrically independent and

totally isolated. For many applications this feature provides a running

spare output by simply interchanging the output connectors.

The outputs can be wired as single ended single phase, single ended

two phase (A,B), or differential (A Quad B). An auxiliary output is

available (C,C) at 1/4 the base PPR for instrumentation.

Refer to separate instructions for additional information on the shaft

grounding option.

INSTALLATION CONSIDERATIONS

The M3 hollow shaft encoder requires a minimum mounting shaft

length, a minimum clearance space, and a precise shaft diameter

tolerance for proper mounting. See the table on the back page for shaft

requirements by model.

M3 PART NUMBERS AND AVAILABLE OPTIONS

Mounting

Model

Bore Size

Style

M3-

0- Non-Standard

S- End of Shaft

3- 5/8"

7- 2 3/8"

T- Thru Shaft

A- 3/4"

B- 12mm

G- End of Shaft

4- 1"

C- 16mm

with Grounding

5- 1 1/8" F- 25mm

8- 1 1/2" G- 48mm

9- 1 5/8" D- 52mm

6- 2"

E- 58mm

J- 2 1/8" H- 60mm

10 Pin Connector

A- without Plug

K- with Flex. Conduit

B- with Flex. Conduit

Adapter

L- with Plug

C- with Plug

M- without Plug

Output

Line Driver

Location

1- 5 to 24 VDC

L- Single output

2- 5 to 18 VDC

left side

3- 18 to 24 VDC

R- Single output

4- 5 to 24 V in,

right side

5 V out

D- Dual output

MS mini

S- Baldor Twist

P- with Plug

Lock on

V- without Plug

3 ft. Pigtail

side exit

bottom exit

The M3 standard flexible anti-rotation bracket will tolerate ± 0.1"

of shaft end float. For applications with larger movement, select

modification 003, torque arm mount.

CAUTION

Be careful not to damage clamping fingers during

handling. Do not tighten clamping collar before

installation onto motor shaft. Damaging clamping fingers

can affect the quality of installation.

NOTE

In some cases units are shipped with a protective plug in

the hollow shaft to help prevent damage. If it is present, it

must be removed prior to final installation.

INSTALLATION

Equipment needed for installation

Supplied:

M3 Encoder

Clamping Collar

Anti-Rotation Bracket

Thread Locker (blue)

Screw, Button Hd.,

3/8-16 x .50 (2)

Screw, Socket Hd. Cap.

1/4-20 x .62

Not Supplied:

5/32" Hex Wrench (T-Handle Style) (M3-B)

3/16" Hex Wrench (T-Handle Style) (M3-3, -4, -5, -A, -C, -F)

7/32" Hex Wrench (T-Handle Style)

1/4" Hex Wrench (T-Handle Style) (M3-6, -8, -9, -D, -G, -J)

5/16" Hex Wrench (T-Handle Style) (M3-7, -E, -H)

7/16" Wrench

Dial Indicator

PPR

Connector

240

600

256

1024

360

1200

480

2048

500

2500

512

Connector

6 Pin MS

EPIC

M940 replacement

M737A replacement

E- without Plug

D- with Plug

F- with Plug

M727A replacement

H- without Plug

J- with Plug

Encoder

Instructions

M3-3 thru M3-9

M3-A thru M3-J

HOLLOW SHAFT

Washer, Flat 1/4 (2)

Washer, Spring Lock 1/4

Washer, Tooth Lock 3/8 (2)

10. Nut, Hex 1/4-20

11. Washer, Shoulder,

Insulating

12. Washer, Flat, Insulating

13. Anti-Seize Compound

(copper)

Modifications

000- None

028- 12.5" C-Face Mount

003- Torque Arm Mount

005- -40° C Rating

008- 4.5" C-Face Mount

009- Northstar Pinout

015- Stainless Steel Shaft

016- 8.5" C-Face Mount

5 Pin MS

Conduit Box

N- with color

W- Sealed, Pigtail

coded leads

X- Sealed, Industrial

T- with Terminal

Z- Sealed, Industrial

Block

3 ft. Flex. Cable

Connector without Plug

Connector with Plug