5 canopen function, 1 overview of communication functions, Communication profile – JUMO 902910 CANtrans T RTD Temperature Probe with CANopen Output Operating Instructions User Manual
Page 14: Objects, Canopen function, Overview of communication functions

14
5 CANopen function
5.1
Overview of communication functions
Communica-
tion profile
The CAN interface communication functions correspond to the CANopen
communication profile DS-301.
Objects
Data exchange with CANopen devices takes place in the form of objects.
The table below contains the supported objects; these will be explained in the
sections that follow.
Object
CAN identifier
Function
Note
NMT
0
network management
bus master is the sender
SYNC
0x80
PDO synchronization
bus master is the sender
EMERGENCY
0x80 + node ID
alarm message
TPDO 1
0x180 + node ID
measurement 1 and
status
identifier changeable
via object dictionary
0x1800,1
TPDO 5
inactive
measurement 2 and
status
identifier changeable via
object dictionary
0x1804,1
only with twin probe
SDO (tx)
0x580 + node ID
access to parameters
(object dictionary)
slave (CANtrans) to
master
SDO (rx)
0x600 + node ID
access to parameters
(object dictionary)
master to
slave (CANtrans)
Heartbeat
0x700 + node ID
device monitoring
cyclic “sign of life”
Bootup
0x700 + node ID
device monitoring
once, after power ON
LSS(tx)
0x7E4 = 2020
setting of baud rate,
or node ID
slave (CANtrans) to
master
LSS(rx)
0x7E5 = 2021
setting of baud rate,
or node ID
master to
slave (CANtrans)