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Electric Drives and Controls Hydraulics Linear Motion and Assembly Technologies Pneumatics Service Force Sensor KMB RE 95170/05.09 Replaces: 11.06 1/8 Data Sheet Sensor for force measurement Series 40 Contents Features Ordering code 2 Material number 2 Description 3 Block circuit diagram 3 Characteristics 3 Technical data 4 Dimensions 5 Mating connector 5 Cable versions 6 Installation instructions 7 Safety instructions 8 –– Force sensor as per category 3 rear-mounted three-point linkage (ISO 730-1) –– Sensor element with DMS measuring principle –– Integrated electronics –– Ratiometric output signal proportional to force –– Zero point and sensitivity are calibrated 2/8 Bosch Rexroth AG KMB Series 40 Ordering code KMB 01 Material numbers A 02 03 / 04 05 Type 01 Force measurement pin Load range ± 25 kN 02 06 07 KMB 025 040 ± 50 kN 050 ± 60 kN 060 ± 90 kN 090 ± 110 kN 110 ± 150 kN 150 + 160 kN 160 Cable version Cable without protective sleeve 05 Sensor 40 – ± 40 kN Diameter 03 Ø 37.5 04 RE 95170/05.09 A 1 Cable with spiral protective sleeve 2 Cable with metal protective sleeve 3 Cable with plastic protective sleeve 4 Plug AMP plug; 3-pin DEUTSCH connector; 3-pin Material number KMB 025 A 1 A / 40 - 15 R917005217 KMB 025 A 4 A / 40 - 08 R917005219 KMB 025 A 4 A / 40 - 10 R917005216 KMB 025 A 4 A / 40 - 15 R917005218 KMB 040 A 1 A / 40 - 15 R917005220 KMB 040 A 2 A / 40 - 27 R917005223 KMB 040 A 3 A / 40 - 15 R917005221 KMB 040 A 3 A / 40 - 15 R917005226 KMB 040 A 4 A / 40 - 08 R917005224 KMB 040 A 4 A / 40 - 16 R917005222 KMB 040 A 4 A / 40 - 18 R917005225 KMB 050 A 2 A / 40 - 08 R917005227 KMB 060 A 1 A / 40 - 15 R917004316 KMB 060 A 2 A / 40 - 15 R917005232 KMB 060 A 2 A / 40 - 27 R917005229 KMB 060 A 3 A / 40 - 15 R917005228 KMB 060 A 4 A / 40 - 08 R917005231 KMB 060 A 4 A / 40 - 15 R917005233 KMB 060 A 4 A / 40 - 16 R917005230 KMB 060 A 4 A / 40 - 18 R917005234 KMB 090 A 1 A / 40 - 15 R917005236 KMB 090 A 2 A / 40 - 15 R917005237 KMB 090 A 2 A / 40 - 27 R917005240 A KMB 090 A 3 A / 40 - 15 R917005235 B KMB 090 A 4 A / 40 - 15 R917005238 KMB 090 A 4 A / 40 - 18 R917005555 KMB 110 A 1 A / 40 - 15 R917005242 KMB 110 A 2 A / 40 - 08 R917005241 KMB 150 A 1 A / 40 - 15 R917005680 KMB 150 A 2 A / 40 - 08 R917005244 KMB 150 A 2 B / 40 - 08 R917005243 KMB 150 A 3 A / 40 - 15 R917005245 KMB 160 A 1 B / 40 - 09 R917005246 Series 06 Series 4, Index 0 40 Cable length 800 mm 08 965 mm 09 1000 mm 10 07 1500 mm 15 1600 mm 16 1800 mm 18 2700 mm 27 RE 95170/05.09 Bosch Rexroth AG KMB Series 40 Description Block circuit diagram Supply voltage Usup = 8 … 12 V The force sensor comprises a bearing bolt. Shear stress is encountered at the bearing point. This is recorded as elongation and evaluated. Signal voltage Usig = 0.25 … 0.75 Usup The measuring principle is based on the measurement of mechanical elongation using strain gauges which are wired to form a bridge circuit within the force sensor. When not under load, the bridge is in equilibrium. When a force is applied, the output signal of the DMS bridge changes, either to positive or to negative, depending on the direction of the force applied. This magnitude of the bridge voltage is proportional to the force applied. It is amplified and rectified in an integrated evaluation circuit. The sensor delivers a ratiometric output voltage (25% to 75% of the supply voltage). It is available with various measuring ranges and cable versions. This sensor is a typical component of an electronic and hydraulic hitch control (EHR). 3/8 Ground Characteristics U sig Characteristic with increasing load Ftensile Hysteresis, typical 0,77 U sup 0,75 U sup 0,73 U sup 100% 0,52 U sup 0,48 U sup 100% Fpressure Characteristic with decreasing load 0,27 U sup 0,25 U sup 0,23 U sup 4/8 Bosch Rexroth AG KMB Series 40 RE 95170/05.09 Technical data Type KMB Nominal load range ±25 kN …. ±150 kN Standard overload range ±220 kN Electrically measurable overload 1.5 x nominal load Supply voltage Usup 8 … 12 V DC regulated voltage, no direct power supply from electrical system (battery) Supply current Isup < 50 mA Signal voltage Usig (ratiometric) 0.25 … 0.75 x Usup Load resistance > 10 kΩ Hysteresis < 0.005 x Usup at nominal load < 60 kN < 0.01 x Usup at nominal load 60 kN… 150 kN Temperature coefficient of zero point ≤ ± 0.25% Usup / 10 k Temperature coefficient of sensitivity ≤ ± 1% Usup / 10 k Operating temperature range –35 °C … +85 °C Storage temperature range –40 °C ... +105 °C (permanent) +130 °C (max. 2 h) Material for plug sleeve 100Cr6 Material for plug PBT GF 20 Plug connection 3-pin connector with single-wire seal Type of protection with mating connector fitted DIN EN 60068-2-68 IP6KX DIN 40050 IPX7 Electromagnetic compatibility (EMC) ISO 11452-2 Electrostatic discharge ESD ISO TR 10605 intensity IV DIN 40050 IPX9K 1 MHz ... 400 MHz 150 V/m, permissible variation 1% Usup 400 MHz ... 4 GHz 100 V/m, permissible variation 1% Usup Contact discharge ± 8 kV Air discharge ± 25 kV Overvoltage up to 18 V (permanent) provided Reverse-connect protection Voltage reversal of power supply and ground (maximum permissible current 100 mA) provided Short circuit resistance Sensor output to ground, Usup or battery voltage (max. 16 V) provided Dynamic tests Broadband noise test (IEC 68-2-64) aeff = 0.05 g2/Hz, 20...2000 Hz Transport shock (IEC 60068-2-27) 15 g, 11 ms, 3 x in each direction (pos/neg) Continuous shock (IEC 60068-2-29) 25 g, 6 ms, 1000 x in each direction (pos/neg) RE 95170/05.09 Bosch Rexroth AG KMB Series 40 5/8 Dimensions +0,5 158 +1,5 8,2 -0,5 +0,8 39 -0,8 +0,5 24 -0,5 +0,4 15 +0,2 Protective cap for mating connector 74±3 Ø5 -0,17 +0,5 10 -0,5 3 0° Ø37-0,42 +1 10 -1 L*±20 AMP Measurement zone DEUTSCH * see ordering code for cable length Pin assignment AMP DEUTSCH 25–0,5 3 + Supply voltage Usup (8 … 12 VDC) 1 + Supply voltage Usup (8 … 12 VDC) 2 Signal voltage Usig (0,25 … 0.75 Usup) 3 Ground 2 Signal voltage Usig (0,25 … 0.75 Usup) 1 Ground 15–0.5 Mating connector Order designations for mating connector, comprising: AMP Description Quantity Part number Case 1 1 928 402 579 1) Protective cap 1 1 280 703 022 1) Contacts 3 929 939 2) Single-wire seal (wire size: 0.5 – 1.0 mm2) 3 3 Type of protection IP67 and IP69K 2) 828 905-1 for FLK cable type 828 904-1 2) for FLKr, FLX cable DEUTSCH Description Part number Plug connector DEUTSCH DT 04-3P 3) Wedge-lock DEUTSCH W 3P 3) Contacts DEUTSCH 0460-202-16141 3) 1) Can be purchased at Bosch Can be purchased at AMP 3) Can be purchased at DEUTSCH The mating connector is not included in the delivery contents. 2) Type of protection IP66A 6/8 Bosch Rexroth AG KMB Series 40 RE 95170/05.09 Cable versions Cable without protective sleeve ³ -³ ³ Protective cap for mating connector ³ Cable with spiral protective sleeve ³ -³ ³ ³ Protective cap for mating connector ³ Cable with metal protective sleeve ³ -³ ³ ³ Fitting (WAF 13), rotating Protective cap for mating connector Metal protective sleeve, moveable ³ A-thread, Pg 7 (WAF 15) Cable with plastic protective sleeve ³ -³ ³ Protective cap for mating connector ³ RE 95170/05.09 Bosch Rexroth AG KMB Series 40 Installation instructions –– See installation drawing z206e00153, to avoid measuring uncertainties –– Defined force application, e.g. ball bushing –– Floating mount in radial direction with key plate ## # # 7/8 8/8 Bosch Rexroth AG KMB Series 40 RE 95170/05.09 Safety instructions • General instructions –– The suggested circuits do not imply any technical liability for the system on the part of Rexroth. –– System developments, installations and commissioning of electronic systems for controlling hydraulic drives must only be carried out by trained and experienced specialists who are sufficiently familiar with the components used and with the complete system. –– _No components that are defective or not working properly should be used. If components fail and/or exhibit malfunction, repair must be carried out immediately. –– Before commissioning the system, you must ensure that the vehicle and the hydraulic system are in a safe condition. Make certain that no persons are present in the danger zone of the machine. –– A sufficiently large distance to radio systems must be maintained. –– All connectors must be unplugged from the electronics during electrical welding operations. –– Cables to the electronics must not be routed close to other power-conducting lines in the machine or vehicle. • Intended use –– The sensor is designed for use in mobile working machines provided no limitations / restrictions are made to certain application areas in this data sheet. –– The sensor is not suitable for monitoring a safety-critical situation/application, nor can it be used as a calibratable component. –– Operation of the sensor must generally occur within the operating ranges specified and released in this data sheet, particularly with regard to voltage, temperature, vibration, shock and other described environmental influences. Use outside of the specified and released boundary conditions may result in danger to life and/or cause damage to components which could result in consequential damage to the complete system. –– Any use of the sensor other than described in chapter "Intended use" is considered to be improper. –– Damages which result from improper use and/or from unauthorized, unintended interventions in the device not described in this data sheet render all warranty and liability claims with respect to the manufacturer void. • Use in safety-related functions –– It is the customer’s responsibility to perform a risk analysis of the system and de-termine the possible safety-related functions. It is the customer’s responsibility to take appropriate measures in safety-related applications (sensor redundancy, plausibility check, emergency switch,….). Bosch Rexroth AG Hydraulics Mobile Electronics Robert-Bosch-Straße 2 71701 Schwieberdingen, Germany Telefon +49 (0) 711-811-4 30 80 Telefax +49 (0) 711-811-3 36 85 [email protected] www.boschrexroth.com/mobile-electronics © This document, as well as the data, specifications and other information set forth in it, are the exclusive property of Bosch Rexroth AG. It may not be reproduced or given to third parties without its consent. The data specified above only serve to describe the product. No statements concerning a certain condition or suitability for a certain application can be derived from our information. The information given does not release the user from the obligation of own judgment and verification. It must be remembered that our products are subject to a natural process of wear and aging. Subject to change.