Baumer EAM580R-B Handbuch - Seite 15

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7.3

Mapping

The encoder supports a customer specific mapping for PGN65450, which can be specified, when ordering an encoder.

Mappable objects

7.3.1
The following objects are mappable:
Mapping content
Position encoder
Speed encoder [steps/sec]
Alarms
Warnings
Diagnostic
Speed [rpm]
Time Stamp

Default mapping of absolute encoder

7.3.2
Byte 0
Byte 1
Position[0]
Position[1]
Byte 0 – 3 Encoder absolute position:
Datatype: 4 Byte, U32,
Resolution: According to scaling factors (see encoder parametrization)
Byte 4 – 5 Encoder speed value:
Datatype: 2 Byte, S16,
Resolution: [rpm]
Byte 6 – 7 (Encoder diagnostic):
See Object description in chapter 0x2117 Encoder Diagnostics
7.4

Timing

The minimal cycle time for PGN65450 is 1 ms, although the J1939 suggest to use minimal cycle times of 50 ms.
7.5

Exceptions of accurate calculation of process data

The following operations could interrupt the accurate calculation of process data such as position, speed, warnings and
alarms:
-
Changing the scaling parameters
Baumer_EAM580_360_EB360_SAE_J1939_MA_EN_Rev0003.0000h_Index0004.docx
05.12.2022
Mapping entry
Description
0x60040020
Object 6004h Subindex 00h, data length 32 Bit
0x60300120
Object 6030h Subindex 01h, data length 32 Bit
0x65030010
Object 6503h Subindex 00h, data length 16 Bit
0x65050010
Object 6505h Subindex 00h, data length 16 Bit
0x21170010
Object 2117h Subindex 00h, data length 16 Bit
0x21180010
Object 2117h Subindex 00h, data length 16 Bit
0x21200010
Object 2120h Subindex 00h, data length 16 Bit
Byte 2
Byte 3
Position[2]
Position[3]
Byte 4
Byte 5
Speed[0]
Speed[1]
15/27
Byte 6
Byte 7
Warnings
Errors
Baumer Electric AG
Frauenfeld, Switzerland