EtherCAT
®
Communication Protocol Manual
– p/n 20021549-001 Rev. B
5
1
Introduction
This document describes the physical interface, Device Profile, and Object Dictionary used for the
Series 392 Micro-Ion
It is assumed the reader has a general knowledge of EtherCAT and EtherCAT Masters. Refer to the
following EtherCAT specifications in addition to this manual:
•
ETG.1000 v1.0.4
•
ETG.1020 v1.2.0
•
ETG.1300 v1.1.1
•
ETG.2000 v1.0.0
•
ETG.2010 v1.0.0
•
ETG.5000.1 v0.9.0
•
ETG.5003.1 v1.1.0
•
ETG.5003.2 v1.0.0
•
ETG.5003.2080 v1.3.0
•
ETG.9001 v1.2.5
This document does not describe basic EtherCAT knowledge or the specific use of EtherCAT Masters.
2
Definitions
Table 1: Common Definitions
Term
Definition
B/S
Backup/Save
Backup/Save
Backup/Save parameters are saved in NV memory
CG
Combo-Gauge
CoE
CAN Application Protocol over EtherCAT
CDP
Common Device Profile
– ETG.5003
ESI
Electronic Slave Information
– an XML file describing the device
ETG
EtherCAT Technology Group
FoE
File Access over EtherCAT
LSD
Least Significant Digit
Master
The EtherCAT Master
MSD
Most Significant Digit
NV
Non-Volatile
PDO
Process Data Object
RO
Read-Only
RW
Read/Write
RX
RxPDO
RxPDO
Receive PDO (Master -> Slave)
SDO
Service Data Object
SDP
Specific Device Profile
– ETG.5003.2080
SI
Sub-Index
SII
Slave Information Interface
Slave
The EtherCAT Slave
TX
TxPDO
TxPDO
Transmit PDO (Slave -> Master)
VG
Vacuum Gauge