Monitoring - Siemens SINAMICS S120 Installation And Start-Up Manual

3.4.4.3

Monitoring

Introduction
SINAMICS S120 supports the following two optional monitoring services to ensure that the
CANopen network nodes function properly:
• Heartbeat:
•
Steps
On the Monitoring
1.
Figure 3-18
CANopen interface
Commissioning Manual, 12.2004 Edition, 6SL3097-2AA00-0BP1
3.4 Configuring the drive unit using the STARTER commissioning tool
SINAMICS S120 (producer) cyclically transmits (heartbeat time) its communication status
on the CAN bus to the master application.
Node guarding:
SINAMICS S120 waits a certain time (node life time) for message frames from the ma
application and permits a specific number
time interval (node guard time).
The node life time is calculated by multiplying the node guard time by the life time factor.
Note
Only one node monitoring service can be activated at any one time (either heartbeat or
node guarding).
If both monito ring services are activated, node guarding is effective.
tab, enter the required monitoring service (heartbeat or node guarding).
Select the Monitoring tab (see screenshot below).
Monitoring
(life time factor) of failures within a specified
Commissioning
ster
3-19