Avtron M6-1 Anweisungen
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DESCRIPTION
The Avtron Model M6-1 and M6-2 are Solid Shaft Incremental
Encoders (also known as tachometers or rotary pulse generators).
They are similar to the model M4 Heavy Mill Duty rotary solid
shaft incremental encoder but utilize flameproof and increased
safety construction. The M6 compliance with the Essential Health
and Safety Requirements has been assured by compliance with
EN60079-0, EN60079-1 and EN60079-7 (Certificate of Conformity
No. DEMKO 02 ATEX 131477X) The M6 is certified for use in CAT
2 (Zone 1) Gas Group IIC potentially explosive atmospheres when
marked with the code
II 2G Ex de IIC T4 (Tamb -20°C to +80°C).
Tamb -40°C also available (Special modification 001).
Mechanically, the M6-1 mounts on a NEMA 56C adapter flange.
The M6-2 can be foot mounted by using an optional foot mounting
bracket kit. When coupled to a motor or machine, the M6 output is
directly proportional to shaft position (pulse count) or speed (pulse
rate). The M6 can be used for both control and instrumentation
applications.
The enclosures on all Model M6s are rated IP 66 to protect the
internal components from the entry of dust and liquids. The M6
uses magnetoresistive sensing technology, making the M6 ideal
for demanding industrial environments.
All M6s can be equipped with one or two outputs. Each output is
electrically independent and totally isolated.
The outputs can be wired as single ended single phase,
single ended two phase (A,B), or differential (A Quad B).
Output resolution is determined by the rotor's base PPR (pulses
per revolution), times a sensor multiplier. The sensor module can
provide: 1/2 the base PPR, the base PPR, or double the base PPR
(see table). With two outputs, the same encoder can provide two
different PPRs from a given rotor at the same time. Only one rotor
per encoder is possible.
Example: an M6 could use a 1024 PPR sensor output on one side
for feedback to a drive system, and simultaneously use a 256 PPR
sensor on the other side for a process computer.
AVAILABLE RESOLUTIONS
-48 OPTION -51 OPTION -60 OPTION
LOW
240
MEDIUM
480
HIGH
960
M6 PART NUMBERS AND AVAILABLE OPTIONS
Mounting
Model
Shaft Style
Style
M6-
0- Non-Standard
S- Single
1- Face mount
5/8" x 2" shaft
2- Foot mount
5/8" x 2.64"
(2" net) shaft
INDUSTRIAL AUTOMATION, INC.
256
300
512
600
1024
1200
Line Driver
1- 5 to 24 VDC
Ended Shaft
2- 5 to 18 VDC
3- 12 to 24 VDC*
* Units shipped prior to 2009 were rated 18 to 24 volts. Refer to ID tag on the encoder for specific input voltage requirements.
M6 ENVIRONMENT
The M6 does not produce flammable gasses or dusts in normal
operating modes. The M6 does not cause injury or harm when
used in conjunction with the installation guide. The M6 does not
produce ignition capable electrical sparks or arcs and has been
designed not to produce potential ignition sources from electro-
magnetic, acoustic, optical or other energy sources. The M6 is not
considered as a safety device and is not suitable for connection
into a safety system.
The installer should refer to the latest edition of the following stan-
dards before installing or operating in a Hazardous Area:
EN 1127-1 Explosive Atmospheres - Explosion prevention and
protection, basic concepts, and methodology.
EN 60079-14 Electrical apparatus for explosive gas at mo-
spheres - Part 14: Electrical installations in hazardous areas
(other than mines).
The M6 housing and shaft materials are listed in the spe cifications.
These materials are not considered as able to trigger an explosion
in normal operating modes and various fault modes in accordance
with the requirements for Cat 2 equip ment. These materials are not
known to react with any explosive atmo spheres to which the M6
may be subject. It is however the responsibility of the end user to
ensure that the M6 is selected correctly for the potentially explo-
sive atmosphere in which the equipment is to be put into service.
INSTALLATION
Equipment needed for installation
Supplied:
1. M6 Encoder
2. Anti-Seize Compound (copper)
Not Supplied:
Socket Hd. Cap Screw
3/8-16 x 0.75 (4)
Washer, Flat 5/16 (4)
Washer, Lock 5/16 (4)
Thread Locker (Loctite 242 recommended)
Optional:
Foot Bracket Mounting Kit (A28380)
Armoured Cable Gland
Clean machine shaft of any dirt and check for any burrs or
damage.
Left & Right
Base
Output Range
PPR
X- None
48- 480
L- Low Range
51- 512
(Base PPR x 1/2)
60- 600
M- Medium Range
(Base PPR x 1)
H- High Range
(Base PPR x 2)
Encoder
Instructions
M6-1 and M6-2
Inactive Design
Contact Help Desk
EXPLOSION PROTECTED, SOLID SHAFT
5/16" Hex Wrench (T-Handle style)
Shaft Coupling
Motor Adapter Flange
Dial Indicator
Marker
Connector
Z- Marker
T- Conduit Box,
– - None
Terminal Block,
3/4" NPT
W- Conduit Box,
Terminal Block
and Wire Gland
Modifications
000- None
001- Low Temp (-40°C)