Jetter AG
Programming | 7
JXM-HMI User Manual
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7 Programming
7.1 Device status
Status
Condition
Features
Bootloader PRE-OPERATIONAL
No firmware present
■
Information SDOs are accessible
■
Firmware update possible
■
Heartbeat
OPERATIONAL
Firmware successfully started
■
All SDOs are accessible
■
Heartbeat
Tab. 10:
Device status
7.2 Setting the node ID
The default node ID of the JXM-HMI is 0x11 hexadecimal. The node ID can be
changed by SDO via the
7.3 CAN identifier
Message type
Description
CAN identifiers
NMT
Network Management Telegram
0x000
SDO TX
Service Data Object receive
0x580 + node ID
SDO RX
Service Data Object send
0x600 + node ID
TXPDO1
Process Data Object send
0x180 + node ID
RXPDO1
Process Data Object receive
0x200 + node ID
EMCY
Emergency message
0x80 + node ID
Error control
Error Control Protocol (Heartbeat)
0x700 + node ID
Tab. 11:
CAN identifiers
7.4 CAN communication
7.4.1 NMT commands
The JXM-HMI changes into OPERATIONAL mode immediately after switching
on. The following NMT commands are supported:
NMT commands
Description
Reset Node
The node is reloaded and all settings are set to
their default values.
Tab. 12:
NMT commands
7.4.2 Heartbeat
The device sends a heartbeat message in a 1 s cycle. If the heartbeat is not
transmitted within 3 s, the HMI is not active.
Description
Byte 0
BOOTUP
CMD 0
OPERATIONAL
CMD 5
PRE-OPERATIONAL
CMD 127
Tab. 13:
Index of the heartbeat message