CANobserver

21054

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The CANobserver is a diagnosis tool for the physical and logical long-term monitoring of CAN bus systems and is designed as a stationary supplement to the CAN bus tester 2.

Once the system is at a standstill, the damage is usually great.

In order to be able to initiate countermeasures in good time, both the plant components and the pipeline system as a whole should be continuously maintained. Due to wear, the operating parameters of the bus system deteriorate. Our CANobserver diagnoses such changes during operation and reports them to the plant operator.

24V SELV

Languages: German, English
Bus: CAN (ISO11898-2), CANopen (CiA301), DeviceNet (EN 50325 – 2), SAE J1939
Bit sampling: 64x, 10240 sampling points
Bittiming: BTL cycles (tq), sampling time and synchronization jump distance (SJW) adjustable
Supported baud rates according to bus system: 10; 20; 50; 100; 125; 250; 500; 800; 1000 kBit/s
additionally user-defined: 5; 33,3; 62,5; 75; 83,3; 200 kBit/s
automatic detection by baud rate scan, bit timing adjustable
Bus status Bus traffic detection (display: dominant, recessive, undefined, level change, valid bus traffic)
Display of bus utilization (0 ... 100 %)
History, minimum and maximum value storage
Bus Error Display of detected telegram errors
Differentiation between active and passive error frames (0 ... >50,000), history display
Bus voltages Display of the optional CAN supply voltage and the shielding voltage
History, minimum and maximum value storage
Common-mode voltage Detection of the maximum voltage offset between the individual bus participants
CAN level (Absolute /Differential) Recording and evaluation of the differential and absolute CAN levels of all bus devices
Measurement of participants Participant-specific measurements
Quality value (value of signal quality), interference voltage distance, slope (falling and rising) as well as oscilloscope display with telegram analysis
Measurement Online Trigger Error analysis with adjustable evaluation limits, variable time slices and trigger function
Log Monitor Sending and receiving CAN telegrams

Electrical parameters
Power and battery* Integrated rechargeable lithium-ion battery
Ext. Supply input: SELV DC voltage 14 V, internally fused
with 2.5 A Operation only via supplied 35 W wide-range power supply Type: SAW-14.0 – 2500
Runtimes: Standby: up to 500 hours
Use: up to 36 hours
Measuring: up to 6 hours
Charging times: fast charging to 80 % in about 1 hour
complete charging in about 2 hours.
Potential difference between the CAN bus and USB connections 500 V AC
Voltage between any two connections on the CAN or external ground connection ±30 V DC

Measurements
Range Resolution Accuracy (typ.)
Quality value 0,0 % ... 100,0 % 0.3 g -
Flank steepness 0/64 ... 64/64 1/64 -
Measurement of the interference voltage distance -0.75 V ... +3.25 V 0.05 V 1.90 % ±100 mV
Measurement of differential voltage -0.75 V ... +3.25 V 0.01 V 0.50% ±10 mV (calibrated)
Measurement of absolute voltage -5.00 V ... +10.00 V 0.05 V 0.50% ±50 mV (calibrated)
Measurement of shielding voltage -10.0 V ... +1.0 V 0.1 V 0.25% ±100 mV (calibrated)
Measurement of the CAN supply voltage 0.0 V ... 32.0 V 0.1 V 0.25% ±100 mV (calibrated)
Measurement of loop resistances 0 Ω ... 100 Ω
100 Ω ... 1000 Ω
0.1 Ω
1.0 Ω
0.85% ±0.2% Ω
0.85% ±2.0 Ω
Measurement of cable length 2 m ... 1000 m 1 m 5 % ±2 m
(runtime: 4.5 ns/m)

Mechanical parameters
Connection power supply Low voltage socket
Connection CAN 9-pin. D-Sub Connector
USB connection Self-Powered Device according to USB 2.0 specification, Full Speed, galvanically isolated
Registration of a drive for measurement data exchange (USB Mass Storage Device)
Case Aluminium housing, cover glass
Ambient conditions Operating temperature : 5 °C ... 40 °C
storage temperature : -20 °C ... 60 °C
humidity: 5 % ... 95%, non-condensing
Enclosure protection class IP20 according to EN 60529
Dimensions 186 mm x 102 mm x 37 mm
Mass approx. 860 g
CANobserver