Txm4 – BEI Sensors TXM4 User Manual

Page 2

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TXM4

MAGNETIC ENCODERS - CANOPEN ABSOLUTE MULTI TURN - TXM4 RANGE

ELECTRICAL CHARACTERISTICS

Interface

According to ISO 11898

Consumption

max 50mA at 24Vdc

Transmission

Max 1 MBauds

Accuracy

+/- 0,35°

Internal cycle time

< 1mss

EMC

EN 61000-6-4 EN 61000-6-2

Supply

10 – 30Vdc

Electrical life-time

> 10

5

h

TRANSMISSION MODES

POLLED mode

By a remote-transmission-request telegram the connected host calls for the current process value. The

absolute rotary encoder reads the current position value, calculates eventually set-parameters and sends
back the obtained process value by the same identifier

CYCLIC mode

The absolute rotary encoder transmits cyclically - without being called by the host - the current process
value. The cycle time can be programmed in milliseconds for values between 1 ms and 65536 ms

SYNC mode

After receiving a sync telegram by the host, the absolute rotary encoder answers with the current process
value. If more than one node number (encoder) shall answer after receiving a sync telegram, the answer
telegrams of the nodes will be received by the host in order of their node numbers. The programming of

an offset-time is not necessary. If a node should not answer after each sync telegram on the CAN
network, the parameter sync counter can be programmed to skip a certain number of sync telegrams
before answering again.

PROGRAMMABLE PARAMETERS

Operating
Parameters

This parameter determines the counting direction, in which the output code increases or decreases. As an
important operating parameter the code sequence (complement) can be programmed

Resolution per turn

Value between 1 and 4096 can be programmed

Total resolution
‘’Max range’’

This parameter is used to program the desired number of measuring units over the total measuring range.
This value may not exceed the total resolution of the absolute rotary encoder.

Preset Value

The preset value is the desired position value, which should be reached at a certain physical position of

the axis

Limit Switch,

Min. and Max

Two position values can be programmed as limit switches. By reaching these values one bit of the 32 bit

process value is set to high level

CONFIGURATION

The standard configuration is : node number = 32 and Baurate = 125kBaud. These configurations can be modified
with SDO frames. The Baudrate can be modified from 20kBaud to 1MBaud. The node number can de programmed
between 0 and 89.

CANopen CONNECTION

Type

GND

+Ub = 10-30Vdc

CAN-High

CAN-Gnd

CAN-Low

B7

3

2

4

1

5

ORDERING REFERENCE

(specific manufacture on demand. ex: flange / specific connection...)

TXM4S

10 /

AA /

5

BB

B //

12B12 //

B7A

Absolute

multiturn
encoder

Solid shaft

Ø10mm

Stainless steel

& IP69K

Supply :

11 to 30Vdc

CANopen

Binary code

12bits :

resolution

12 bits :

number of

turns

M12 5 pinouts

axial output

Changes possible without further notice 110214

BEI Sensors SAS
Espace Européen de l’Entreprise
9, rue de Copenhague
B.P. 70044 Schiltigheim
F 67013 Strasbourg Cedex

Tél

: +33 (0)3 88 20 80 80

Fax

: +33 (0)3 88 20 87 87

Mail

:

[email protected]

Web

: www.beisensors.com

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