Operation guide
Temperature transmitter
CAN SAE J1939
DST T92C
ia.danfoss.com
Operation guide | DST T92C Temperature transmitter CAN SAE J1939
Table of contents |
Contents |
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1. |
General information................................................................................................................................... |
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1.1 |
Contact........................................................................................................................................................... |
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1.2 |
General............................................................................................................................................................ |
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1.3 |
CAN Interface................................................................................................................................................ |
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2. |
Specifications............................................................................................................................................... |
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3. |
J1939 communication.............................................................................................................................. |
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3.1 |
Introduction................................................................................................................................................. |
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3.2 |
Supported PGN’s and SPN’s.................................................................................................................... |
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3.3 |
Definitions..................................................................................................................................................... |
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3.3.1 |
PGN.................................................................................................................................................................. |
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3.3.2 |
SPN.................................................................................................................................................................. |
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3.4 |
Overview of the slot for pressure sensors......................................................................................... |
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3.5 |
References.................................................................................................................................................... |
10 |
1. |
General Information |
1.1 Contact |
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Danfoss A/S
Industrial Automation
DK-6430 Nordborg
Denmark
www.ia.danfoss.com
E-mail: technical support_IA@danfoss.com
1.2 General
The temperature transmitter DST T92C measures the physical quantity temperature. The range is -40 – 150 °C for the medium. The measured value is transmitted on the CAN-Bus with the J1939 protocol. The transmitter takes 107 samples per second, does filtering and converts the raw value into the output format.
The CAN 2.0B interface is able to run up to a speed of 1 Mbit/sec.
The device supports Diagnostic Message 1 (DM1, PGN 0xFECA, active diagnostic trouble codes, automatically send every second), Diagnostic Message 2 (DM2, PGN 0xFECB, previously
active diagnostic trouble codes) and Diagnostic Message 3 (DM3, PGN 0xFECC, diagnostic data clear/reset for previously active DTCs). Also the DST T92C CAN SAE J1939 firmware supports static node addressing as well as dynamically address claiming.
Furthermore the device can easily configured with a configuration vector (PGN 0xEF00) by the customer if needed. An example dbc-file with a default configuration to use with “Vector CANdb++ Editor” is available on request.
1.3 CAN Interface
The device includes a Full CAN controller specified to CAN 2.0B. The physical layer of the 2-wire interface is specified according to ISO 11898. The wires are protected against short-circuit. By adjusting the rise and fall times of the CAN signals, the noise emission is minimized to meet the EMC requirements. The bus termination resistor is not included in the device.
2 | © Danfoss | DCS (im) | 2018.01 |
IC.PS.P30.B1.02 | 520B8401 |
Operation guide | DST T92C Temperature transmitter CAN SAE J1939
2. Specifications |
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Electrical specifications |
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Supply voltage |
9 – 36 V DC protected against reverse polarity |
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Current consumption at US = 24 V DC |
I < 50 mA typical, IMAX < 100 mA |
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CAN Interface |
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Physical layer |
2-wire interface, 5 V level according to ISO 11898 |
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Protected against short-circuit |
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Bit rate |
250 kBit/s (max. 1 Mbit/sec prossible) |
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Signal rise time |
Bit rate < 125 kbit/s 12 V/µs (without bus) |
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Bit rate ≥ 125 kbit/s > 24 V/µs (without bus) |
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Bus termination |
External |
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Protocol |
SAE J1939 |
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Environment |
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EMC |
EN 61326-1:2013 |
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Operating temperature |
-40 – 125 °C |
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Media temperature |
-40 – 150 °C |
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M12 connector Pin Assignment (CiA DR303-1) |
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Pin 1 |
CAN shield, PE |
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Pin 2 |
+UB, +24 V DC |
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Pin 3 |
GND, 0 V |
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Pin 4 |
CAN_H, CAN+ |
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Pin 5 |
CAN_L, CAN- |
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3. J1939 Communication |
3.1 Introduction |
The Society of Automotive Engineers (SAE) developed the 1939 standard to be the preferred CAN for equipment used in industries ranging from agriculture, construction, and fire/ rescue to forestry, materials handling as well as on and off-highway vehicles. It is a high-level protocol that defines how communication between nodes (modules) occurs on the bus. The 1939 network is a specific communication system, supporting specific sets of applications and a specific industry, rather than being generalized.
Any electronic control unit (ECU) using J1939 is permitted to transmit a message on the network when the bus is idle. Every message includes a 29-bit identifier, which defines the message priority, what data is contained within the 8-byte data array that follows the identifier, and which ECU sent the message.
© Danfoss | DCS (im) | 2018.01 |
IC.PS.P30.B1.02 | 520B8401 3 |
Operation guide | DST T92C Temperature transmitter CAN SAE J1939
3.2Supported PGN’s and SPN’s PGN’s of SAE J1939
PGN |
SPN |
TTR [ms] |
Data |
Slot |
SPN Name |
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Position |
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61495 |
6313 |
100 |
2 |
SAEtp01 |
Engine Turbocharger Compressor Blowoff Actuator 1 Temperature |
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61649 |
7090 |
100 |
2 |
SAEtp01 |
Engine Cylinder Head Bypass Actuator 1 Temperature |
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64548 |
7574 |
1000 |
2 |
SAEtp01 |
Aftertreatment 2 Diesel Exhaust Fluid Tank Temperature 2 |
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64549 |
7572 |
1000 |
2 |
SAEtp01 |
Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 2 |
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64550 |
7529 |
1000 |
1 |
SAEtp01 |
Aftertreatment 2 Diesel Exhaust Fluid Controller Temperature |
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64550 |
7535 |
1000 |
2 |
SAEtp01 |
Aftertreatment 2 Diesel Exhaust Fluid Controller 2 Temperature |
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64551 |
5480 |
1000 |
1 |
SAEtp01 |
Aftertreatment 1 Diesel Exhaust Fluid Controller 1 Temperature |
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64551 |
7528 |
1000 |
2 |
SAEtp01 |
Aftertreatment 1 Diesel Exhaust Fluid Controller 2 Temperature |
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64557 |
7514 |
500 |
5 |
SAEtp01 |
Engine Fuel 2 Injector Metering Rail 1 Temperature 2 |
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64571 |
7059 |
1000 |
1 |
SAEtp01 |
Engine End Bearing 17 Temperature |
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64571 |
7060 |
1000 |
2 |
SAEtp01 |
Engine End Bearing 18 Temperature |
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64571 |
7061 |
1000 |
3 |
SAEtp01 |
Engine End Bearing 19 Temperature |
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64571 |
7062 |
1000 |
4 |
SAEtp01 |
Engine End Bearing 20 Temperature |
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64572 |
7051 |
1000 |
1 |
SAEtp01 |
Engine End Bearing 9 Temperature |
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64572 |
7052 |
1000 |
2 |
SAEtp01 |
Engine End Bearing 10 Temperature |
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64572 |
7053 |
1000 |
3 |
SAEtp01 |
Engine End Bearing 11 Temperature |
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64572 |
7054 |
1000 |
4 |
SAEtp01 |
Engine End Bearing 12 Temperature |
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64572 |
7055 |
1000 |
5 |
SAEtp01 |
Engine End Bearing 13 Temperature |
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64572 |
7056 |
1000 |
6 |
SAEtp01 |
Engine End Bearing 14 Temperature |
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64572 |
7057 |
1000 |
7 |
SAEtp01 |
Engine End Bearing 15 Temperature |
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64572 |
7058 |
1000 |
8 |
SAEtp01 |
Engine End Bearing 16 Temperature |
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64573 |
7043 |
1000 |
1 |
SAEtp01 |
Engine End Bearing 1 Temperature |
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64573 |
7044 |
1000 |
2 |
SAEtp01 |
Engine End Bearing 2 Temperature |
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64573 |
7045 |
1000 |
3 |
SAEtp01 |
Engine End Bearing 3 Temperature |
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64573 |
7046 |
1000 |
4 |
SAEtp01 |
Engine End Bearing 4 Temperature |
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64573 |
7047 |
1000 |
5 |
SAEtp01 |
Engine End Bearing 5 Temperature |
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64573 |
7048 |
1000 |
6 |
SAEtp01 |
Engine End Bearing 6 Temperature |
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64573 |
7049 |
1000 |
7 |
SAEtp01 |
Engine End Bearing 7 Temperature |
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64573 |
7050 |
1000 |
8 |
SAEtp01 |
Engine End Bearing 8 Temperature |
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64577 |
7023 |
500 |
5 |
SAEtp01 |
Engine Fuel 2 Injector Metering Rail 1 Temperature |
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64577 |
7024 |
500 |
6 |
SAEtp01 |
Engine Fuel 2 Injector Metering Rail 2 Temperature |
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64579 |
6984 |
On request |
7 |
SAEtp01 |
Over Temperature |
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64590 |
7460 |
500 |
3 |
SAEtp01 |
Aftertreatment 1 Diesel Exhaust Fluid Doser 2 Temperature |
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64651 |
6780 |
200 |
3-4 |
SAEtp01 |
Aftertreatment 1 Particulate Sensor Temperature |
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64655 |
6610 |
100 |
2 |
SAEtp01 |
Engine Fuel Vaporizer 1 Discharge Temperature |
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64655 |
6815 |
100 |
3 |
SAEtp01 |
Gaseous Fuel Accumulator Temperature |
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64689 |
6214 |
100 |
1 |
SAEtp01 |
Engine Ignition Control Module 1 Temperature |
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64689 |
6215 |
100 |
2 |
SAEtp01 |
Engine Ignition Control Module 2 Temperature |
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64705 |
5938 |
1000 |
2 |
SAEtp01 |
Transmission Oil Transmission Cooler Outlet Temperature |
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64708 |
5864 |
500 |
1-2 |
SAEtp01 |
Aftertreatment 2 SCR <intermediate Temperature |
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64709 |
5862 |
500 |
1-2 |
SAEtp01 |
Aftertreatment 1 SCR <intermediate Temperature |
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64713 |
6783 |
100 |
1 |
SAEtp01 |
Engine Throttle Valve 1 Temperature |
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64713 |
5784 |
100 |
2 |
SAEtp01 |
Engine Throttle Valve 2 Temperature |
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64713 |
5785 |
100 |
3 |
SAEtp01 |
Engine Fuel Valve 1 Temperature |
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4 | © Danfoss | DCS (im) | 2018.01 |
IC.PS.P30.B1.02 | 520B8401 |
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