Operating Manual V 3.3 / 9 Dec 2019
MARWIS-UMB
Trigger type = 4:
The triggers “miniumum” and “maximum” will have the corresponding value transferred only if it
exceeds or falls below the specified limit value. The limit value has to be described in the same
data format and with the same unit that are used for the transfer of the measured value.
Examples:
11 Bit
Identifier
(hex)
IDE 18 Bit
Identifier
(hex)
RTR Data
Length
Code
Data byte (hex)
Description
1
Typ
2 – 5
Parameter
0x001
1
0x00064 0
1
0x00
The road temperature is not
transmitted (any more)
Die Fahrbahntemperatur wird nicht
(mehr) übertragen
0x001
1
0x00258 0
5
0x01 0x64 0x00
0x00 0x00
The water film height is
transmitted once every 100 ms
(100d = 0x64h)
0x001
1
0x00384 0
1
0x02
The road state is transmitted each
time its value changes
20.3.8 Status and error codes
Each value telegram contains a status byte which indicates if the transmitted value is ok or
which error in the device prevents the value from being detected / transmitted.
Codes:
<status>
Define
Description
00h (0d)
OK
Kommando successful, no error
24h (36d)
UNGLTG_KANAL
Invalid channel; CAN ID not assigned to any channel
28h (40d)
BUSY
Device not ready, e.g. initialising, calibrating
29h (41d)
LOW_VOLTAGE
Undervoltage
2Ah (42d)
HW_ERROR
Hardware error
2Bh (43d)
MEAS_ERROR
Error in the measurement
2Ch (44d)
INIT_ERROR
Error in the device initialisation
2Dh (45d)
RTOS_ERROR
Error in the operating system
30h (48d)
E2_DEFAULT_KONF
Error in the configuration. Defautl configuration was loaded.
31h (49d)
E2_CAL_ERROR
Error in the adjustment / the adjustment is invalid. No
measurement possible.
32h (50d)
E2_CRC_KONF_ERR
CRC error when loading the configuration. Default
configuration was loaded.
33h (51d)
E2_CRC_KAL_ERR
CRC error when loading the adjustment data; no
measurement possible.
34h (52d)
ADJ_STEP1
Adjustment step 1
35h (53d)
ADJ_OK
Adjustment OK
36h (54d)
KANAL_AUS
Channel deactivated
Chapter 20, Appendix
55
