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3 error flags, 11 read parameter, 1 request – ebm-papst ECI-63.XX-K4 User Manual

Page 87: 2 answer, 9 rs485 communication

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87

9 RS485 Communication

9.10.3 Error flags

Bit

Meaning

7

6

5

Save parameter failed

4

Incorrect access key

9.11 Read parameter

Reads a parameter from the parameter memory.

9.11.1 Request

RS485 Char

Use

Value / Comment

1

Start byte

COM_CRX_PARAMETER_RD

2

Address byte

Bus address

3

Parameter No. Hi

4

Parameter No. Lo

0...65535

5

Checksum

9.11.2 Answer

RS 485 Char

Use

Value / Comment

1

Start byte

COM_CTX_PARAMETER_RD

2

Address byte

Bus address

3

Parameter No. Hi

4

Parameter No. Lo

0...65535

5

Parameter Hi

parameter read

6

Parameter Lo

7

Status byte

8

Checksum

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