Siemens Simatic Operating Instructions Manual page 119

Receive PDO
A process data object (PDO) that is received by a CANopen device.
RoHs (Restriction of certain Hazardous Substances)
EU Directive 2011/65/EU restricts the use of certain hazardous substances in electrical and
electronic devices.
RTR (Remote Transmit Request)
This mechanism enables a CANopen device to request another CANopen device to transmit
data.
SDO (Service Data Object)
SDO is a specification for a framework for uniform data access to all entries in the CANopen
object dictionary.
SIMATIC Controller
The SIMATIC Controllers are available as Basic, Advanced, Distributed and Software
controllers. The Basic Controller S7-1200 for small to medium-sized applications, the
Advanced Controller S7-1500 for medium-sized and complex applications, the Distributed
Controller ET 200SP for distributed applications and the Software Controller S7-1500 for PC-
based applications.
SYNC
Synchronization object SYNC messages synchronize the communication on the CANopen
bus.
TIA (Totally Integrated Automation)
The TIA Portal offers complete access to the entire digitalized automation - from digital
planning over integrated engineering all the way to transparent operation.
Transmit-PDO
A process data object (PDO) that is sent by a CANopen device.
SIMATIC PN/CAN LINK
Operating Instructions, 03/2018, A5E39895388-AB
Glossary
117