BEI Sensors MHK5 Absolute Hollow Shaft Encoder User Manual

Page 34

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Version 07/10

BEI Sensors CANopen Manual serie M

34

Subindex Description

Data Type

Default Value

Access

Restore after

BootUp

0

Number of sub indices

Unsigned 8

5

ro

yes

1

COB-ID

Unsigned 32

280h + Node ID

rw

yes

2 Transmission

Mode Unsigned

8

1

rw

yes

3

Inhibit Time

Unsigned 32

0

rw

yes

4 Not

available

5

Event Timer

Unsigned 32

0

rw

yes

Transmission Mode

The transmission mode can be configured as described below:

Transmission Mode

Transfer

Value

(decimal)

Cyclic

Acyclic

Synchro

nous

Asynchr

onous

RTR

only

Notes

0

X X

Send PDO on first Sync message

following an event

1-240

X

X

Send PDO every x Sync messages

241-251 reserved

252

X X

Receive SYNC message and send PDO

on Remote Request

253

X

Update data and send PDO on Remote

Request

254

X

Send PDO on event

255

X

Send PDO on event

Inhibit Time

For "Transmit PDOs", the "inhibit time" for PDO transmissions can be entered in this 16 bit field. If data is

changed, the PDO sender checks whether an "inhibit time" has expired since the last transmission. A new

PDO transmission can only take place if the "inhibit time" has expired. The "inhibit time" is useful for

asynchronous transmission (transmission mode 254 and 255), to avoid overloads on the CAN bus.

Event Timer

The "event timer" only works in asynchronous transmission mode (transmission mode 254 and 255). If the

data changes before the "event timer" expires, a temporary telegram is sent. If a value > 0 is written in this

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