Ropex RESISTRON RES-5009, Руководство пользователя, Страница: 77 / 98

ROPEX CAN
Version 1 RES-5009 Page 77
11.4 ROPEX CAN protocol
The CAN messages of the RESISTRON
®
Temperature Controller RES-5009 are basically composed of 4 bytes.
The first two bytes form a 16-bit address, the last two a 16-bit value:
“Address.H” is the first byte transmitted, “Value.L” is transmitted last.
11.5 Receiving CAN messages
The following table shows the complete command range of the RESISTRON
®
Temperature Controller RES-5009
when receiving CAN messages:
Flickering
(10 Hz)
AutoBaud
automatic baud rate detection “AutoBaud” is active
(Alternate flickering with the Run LED)
Single flash CAN warning level reached
At least one CAN error counter has reached or exceeded
the warning level (too many error frames).
On Bus off The CAN controller is in the bus off state.
Run LED (RUN) State Description
Flickering
(10 Hz)
AutoBaud
automatic baud rate detection “AutoBaud” is active
(Alternate flickering with the ERR LED)
On Ready for operation The CAN controller is ready for operation.
Brief turning off
and on again of
the LED
Communication A CAN message has been received or sent.
Address.H Address.L Value.H Value.L
Byte 1 Byte 2 Byte 3 Byte 4
Address
(hex)
Value
(dec.)
Meaning
0000
0001
0002
0003
0100
0101
0102
0103
0…T
max
0…T
max
0…T
max
0…T
max
0…T
max
0…T
max
0…T
max
0…T
max
Save setpoint 0 (in °C)
Save setpoint 1 (in °C)
Save setpoint 2 (in °C)
Save setpoint 3 (in °C)
Overwrite setpoint 0 temporarily (in °C)
Overwrite setpoint 1 temporarily (in °C)
Overwrite setpoint 2 temporarily (in °C)
Overwrite setpoint 3 temporarily (in °C)
Error LED
(ERR)
State Description