13
CAN Trigger Module (continued)
Specifications/Characteristics N2758A
Compatibility 54621D, 54622D, 54641D, 54642D
Probe Dedicated Probe module – DB9 connector to CAN bus
Sample point control Baud rate dependent: 68% at 10 kb/s;
60.0%, 70.0%, 80.0% selectable at 800 kb/s;
62.5%, 75.0%, and 87.5% selectable at all other baud rates
Supported baud rates 10k / 20k / 33.3k / 50k / 62.5k / 83.3k / 100k / 125k / 250k /
500k / 800k / 1Mb/s (Superset of CiA Specifications)
Synchronous view of Yes – 2 analog + 8 digital
other channels
Ack User enable/disable of Acknowledge Generation
Electrical
Input, CAN_L, CAN_H ISO 11898-24 V Compliant (Differential)
The CAN_H, CAN_L lines can swing from +/- 36V, CAT I
Separate pass through current Support pass through of 4 Amperes on CAN Power signal on
standard CiA DB9 pinout. 40V DC, Max. CAT I
Mechanical
Weight 0.51 kg (1.125 lb)
Probe points CAN_H, CAN_L
Digital probe length 1710 mm (67.3 in)
CAN probe length 500 mm (19.7 in)
Size 190 mm x 294 mm x 40 mm
Connector Supports connection to System Under Test via CiA standard DB9
connectors and pinouts. Provides a tee breakout connection scheme,
no extra cable or converters needed to probe standard DB9 systems
Environmental
Ambient temperature Operating 0°C to +50°C; Non-operating –40°C to +70°C
Humidity 50% to 95% RH at +25°C to +40°C for 24 hours
Altitude To 3048 m (10,000 ft)
Pollution Degree2 Normally only dry non-conductive pollution occurs. Occasionally a
temporary conductivity caused by condensation must be expected.
Indoor use only This instrument is rated for indoor use only.
Installation categories CAT I: Mains isolated
Trigger
Trigger Supports user specified ID’s and/or Data for CAN 2.0A and
CAN 2.0B compliant messages
ID trigger Standard (11 bit) and extended (29 bit) ID’s supported, Per bit ID
specification includes Don’t Care, allowing for trigger on groups of ID’s
Trigger modes
Start of Frame will trigger on the Start of Frame (SOF) bit of a Data frame, Remote
Transfer Request (RTR) frame, or an Overload frame
Remote Frame ID (RTR) will trigger on CAN frames matching the specified ID of a
Remote frame
Data Frame ID (~RTR) will trigger on CAN frames matching the specified ID of a Data frame
Remote or Data Frame ID will trigger on the specified ID, regardless if it is a Remote frame or a
Data frame
Data Frame ID and Data will trigger on CAN Data frames matching the specified ID, Data, and
the DLC (Data length code can be set from 1 to 8 bytes)
Error Frame will trigger on CAN active Error frames
Max trigger rate Max CAN Frame Rate @ 1 Mbit/s
Trigger delay ~ 20 µs from EOF delimiter completion of matching message, typical
Viewable trigger signal Digital channel 11
Viewable RX signal Digital channel 15
The N2758A CAN trigger module reduces
the time required to debug your mixed
signal CAN based designs.
The N2758A CAN trigger module makes
it easy to sort through frame traffic and
isolate a specific frame.
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