TMR7102-D MULTIDIMENSION | Alldatasheet
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Technical content
CAN Bus Digital Output Current Sensor
Description
Features and Benefits Applications TMR7102 series are closed loop current sensors for accurate measurement of DC current with galvanic isolation between primary and secondary circuits.
- Low temperature coefficient
- Galvanic isolation
- High immunity to external interference
- High accuracy among all temperature ranges
- CAN bus output
- Full electric vehicle current measurement
- Hybrid vehicle current measurement
- Battery energy storage systems (BESS) Insulation and Environmental Characteristics Parameters Symbol Typical Unit Load Dump Over Voltage VCC 32 V (400 ms) Over Voltage VCC 24 V (1 min) Reverse Polarity VCC -16 V (1 min) Dielectric Strength VD 2.5 kV(50 Hz, 1 min) Insulation Resistance RIS 500 MΩ Creepage Distance dCP 7.3 mm Clearance dCL 6 mm Ambient Operating Temperature TA -40 ~ +85 °C Ambient Storage Temperature TSTG -40 ~ +85 °C Mass m 80 g Selection Guide Model Primary Nominal Current Primary Current Measuring Range Output Format Baud Rate TMR7102-5000D 500 A ±580 A CAN2.0B 500 kbps TMR7102-5000E 500 A ±580 A CAN2.0B 250 kbps TMR7102-D, TMR7102-E Datasheet MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/ Version 1.0
TMR7102-D, TMR7102-E CAN Bus Digital Output Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/
- Specifications TA = +25 °C, VCC = +13.5 V, unless otherwise noted Parameter Symbol Conditions Min. Typ. Max. Unit General Electrical Data Primary Nominal Current IPN - - 500 - A Primary Current Measuring Range IPM - -580 - +580 A Supply Voltage VCC ±5 % +9 +13.5* +16 V Over Voltage Protection OVP ±5 % - +18 - V Current Consumption IC mA TA = +25 °C, VCC = +13.5 V, IP = 500 A - 280 - Static Performance Data Electric Offset IOE Accuracy XG TA = +25 °C, IP = 0 ~ ±IPN -0.5 - +0.5 % IPN Linearity Error εL TA = +25 °C, IP = 0 ~ ±IPN - ±0.2 - % IPN *Mean value for 12V lead acid battery system 2. CAN2.0 Output Format Component Properties Unit Applicable Part Number Output Mode CAN2.0B - All parts Baud Rate 500 kbps TMR7102-5000D 250 kbps TMR7102-5000E Start Bit big endian - All parts CAN Report Rate 100 Hz All parts CAN ID Data Length Signal Name Signal Description Start Bit End Bit 0x3C2 8 Current Value 0x80000000 = 0 mA 0 310x80000001 = 1 mA 0x7FFFFFFF = -1 mA Error Indicator 0-No error, 1-Error 32 32 Error Information Default 0x64, see error lookup table for detail 33 39 Product Name Default 0x48 40 55 Software Revision Default 0x00 56 63 3. Error Lookup Table Failure Mode Signal Value Error Indicator Error Infomation Flash Error 0xFFFFFFFF 1 0x40 Over Current > 580A 0xFFFFFFFF 1 0x41 VCC Out of Range 0xFFFFFFFF 1 0x46 TMR7102-D, TMR7102-E CAN Bus Digital Output Current Sensor MultiDimension Technology Co., Ltd. http://www.dowaytech.com/en/
Figure 1. Output Error @ -40 °C ~ +85 °C Secondary electrical connection: 4 Position TYCO 1473672-1, wiring info shown in Figure. 2 × M6 copper or SS304 screws (Recommended torque 2.5 N•m). 2) Improper connection may result in permanent damage of the sensor. 3) Sensor is customizable upon request. Figure 2. Pin configuration and wiring Diagram
1 CAN-L CAN-L
2 CAN-H CAN-H
3 GND Ground
4 VCC Power supply
MultiDimension Technology Co., Ltd.
Figure 3. Dimension (unit: mm, tolerances for unmarked scales ±1 mm) MultiDimension Technology Co., Ltd.
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