Baumer AMG11 N29 Manuel - Page 39

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7. Troubleshooting – Frequently Asked Questions – FAQ

7.1. FAQ: Project Work

7.1.1.

Where do I get an encoder manual?

If ordered, the manual will come as a pdf-file on data carrier (CD). The manual is also available in the Internet

under www.baumer.com. Make sure that the manual applies to your encoder referring to the table at the

beginning of the manual. You will find the encoder type on the product label (for example GXMMW or

GBAMW).

Should your encoder not be on the list please contact Baumer.

7.1.2.

Where do I get the applicable GSDML file?

If included in the order, the GSDML file required for the engineering tool is attached to the encoder on data

carrier (CD). The GSDML file is also available in the Internet under www.baumer.com .

To find out the GSDML file that is applicable for your encoder please use the table at the beginning of the

manual. You will find the encoder type on the product label (for example GXMMW or GBAMW).

Should your encoder not be on the list please contact Baumer.

7.2. FAQ: Operation

7.2.1.

What is the significance of the LEDs provided at the bus cover?

The bus cover provides an integrated multi-color LED indicating the encoder operating status. In particular

upon commissioning and in case of error it provides first information on the system status. For details on the

respective status please refer to chapter 6.2.

Two other, green LEDs are provided near the cable glands for PROFINET connection. These activity LEDs

signal the bus activity, i.e. the data communication on each of the two Ethernet ports.

7.2.2.

How to adapt the resolution?

The encoder resolution in steps per turn („Measuring units per turn") is programmed within the project by

corresponding parameter parameterization in the PROFINET device project.

Usually this is performed by the PLC's engineering software (for example SIEMENS® Step7®) by aid of a

PC.

The encoder resolution is programmable in individual steps between the maximum limit (encoder-specific, for

example 8192 at GXMMW) and the minimum limit of 1 step/turn.

Important: The encoder's total measuring range ("total measuring range (units "hi/lo") must be aligned w

the programmed resolution. If not, this will result in parameterization errors signaled by the LED in the bus

cover flashing red. The maximum total measuring range is calculated by multiplying the resolution (steps per

turn) by the encoder's maximum number of revolutions. Standard resolution is 16 bit (65536 revolutions).

Encoders featuring a 18 bit singleturn resolution (e.g. GBMMW) are capable of a 13 bit resolution (8192

revolutions).

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