7.3.1 Connection versions and pin assignment .......... 24 7.3.2 Voltage supply variants ................ 26 Adjustment of the switching point positioning for the Mx models ..... 27 Adjustment of the switching function of the switching points for the Mx models ............ 27 RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
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8.10.4 Determining the switching output to be logged ........ 50 8.10.5 Delay until storage of the min/max filling level ......... 50 8.10.6 Delay until storage of the min/max temperature ........ 50 Maintenance and repair ������������������������������������������������������������������������ 51 Inspection and maintenance .............. 51 Cleaning and care .................. 51 Repair ....................... 51 Troubleshooting .................. 51 Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
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10.2 Disassembly process ................. 52 10.3 Preparing the components for storage/further use ........ 52 Disposal ������������������������������������������������������������������������������������������������ 53 11.1 Environmental protection ................ 53 11.2 Return to Bosch Rexroth ................ 53 11.3 Packaging .................... 53 11.4 Materials used .................. 53 11.5 Recycling .................... 54 Extension and modification ������������������������������������������������������������������� 54 Troubleshooting ������������������������������������������������������������������������������������ 55 13.1...
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6/64 Float switch, Type ABZMS-41 | Contents Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
1�3 Representation of information Uniform safety instructions, symbols, terms and abbreviations are used so that you can quickly and safely work with your product using this documentation. For a better understanding, they are explained in the following sections. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
If this information is not observed, the product cannot be optimally used and/or operated. ▶ Individual, independent action 1� Numbered instruction: The numbers indicate that the actions must be carried out one after the other. 2� 3� Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
Rexroth parameter description in English 1�3�4 Abbreviations The following abbreviations are used in this documentation: Table 5: Abbreviations Abbreviation Meaning Aggregate-Bau (power unit construction) Alternating Current Direct Current Electromagnetic Compatibility GrouND Normally Closed Normally Open Protective Earth PELV Protective Extra Low Voltage RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Functional safety must be realized by appropriate additional components. • use of a float switch in potentially explosive atmospheres. Bosch Rexroth AG does not assume any liability for damage caused by improper use. The user assumes responsibility for all risks surrounding improper use.
• in particular, completely understanding the relationships regarding the safety equipment, and • having knowledge of the function and set-up of hydraulic components. Bosch Rexroth offers training measures in specific fields. An overview of the training contents can be found online at: www.boschrexroth.com/de/de/academy/ 2.5 General safety instructions...
▶ Only use admissible device connectors and mating connectors such as those specified in data sheet 50223, see chapter 1.2 "Required and amending documentation". ▶ Specify the maximum possible load of the switching contacts and ensure that it is not exceeded. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
IT security concept. Unless otherwise documented, Rexroth products are designed for operation in local, physically and logically secured networks with access restrictions for authorized persons, and they are not classified according to IEC 62443-4-2. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
50223, see chapter 1.2 "Required and amending documentation". Inadmissible temperature range! Danger due to overheating! Damage to property! ▶ Observe the temperature range specified in data sheet 50223, see chapter 1.2 "Required and amending documentation". Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
• Float switch (without mating connector) • Screws and seals • Operating instructions Further information on the mating connectors and how to order them can be found in data sheet 50223, see chapter 1.2 "Required and amending documentation". RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
(4-20 mA) are available. The temperature is shown on the display. When measuring the PNP switching output with high-impedance measuring device inputs or when using it as a frequency output, a 10 kΩ resistor must be connected between the output and ground (GND) to prevent incorrect measurements. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
(analog output programmable in 0-10 V, 2-10 V, 0-5 V). Two PNP switching outputs can be assigned as frequency output. Display and control unit with resistance measuring chain (level), resistance thermometer (temperature), IO-Link output and programmable PNP switching output RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Fig. 2: Set-up of Mx models for positioning the switching points Model RTA In models with permanent level output (RTA), no changes can be made. They are fixedly set ex works (analog output: 4 mA = tank empty; 20 mA = tank full). Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
Normally open contact Normally closed contact function with rising level function with rising level i.e. i.e. Normally closed contact Normally open contact function with falling level function with falling level Fig. 3: Information with sinking oil level RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Voltage at the R/Ohm C/μF R/Ohm C/μF R/Ohm C/μF R/Ohm C/μF R/Ohm C/μF open contact 24 AC 0.022 0.47 48 AC 0.0047 0.022 0.47 0.47 115 AC 0.001 0.0047 0.022 0.047 230 AC 0.001 0.001 0.0047 0.022 0.022 Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
RD50223/max. 1 bar/80 °C/36 VDC Made in Germany 1001889881064900901 /10-2020 Fig. 6: Name plate 1 Material number 5 Rexroth internal number 2 Type code 6 Country of origin 3 Technical data 7 Data sheet number 4 Date of manufacture RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
6�2 Storing the ABZMS-41 float switch To store the ABZMS-41 float switch, proceed as follows: ▶ Use the original packaging for storage. ▶ Store the float switches at room temperature. ▶ Protect the float switches from dust, humidity and UV radiation. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
The display unit of the display and control unit can be rotated by approx. 270° around the vertical axis and has an integrated rotation stop. When the stop is reached, you will feel increased resistance. A rotation beyond this stop can damage the display unit. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
2 level contacts + 2 level contacts + 1 temperature contact temperature sensor PT100 resistance thermometer 4-20 mA Pt 100 Connector type K14 Version M with Version M with 1 or 2 level contacts 1 level contact + 1 temperature contact Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
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M12 x 1 +24 V 1 +24 V +24 V 1 +24 V Display Display Temp. 4-20 mA OUT2 OUT2 2 OUT4 GND 3 control control Lev. 4-20 mA OUT1 OUT1 4 OUT3 unit unit PT100 PT100 Level Level RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Mx models". To adjust the switching function of the switching points, proceed as follows: ▶ Rotate the contacts 180°. The arrow pointing upwards on the contact housing in the installed condition indicates the valid contact function. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
8 . 8 . 8 . 8 . Keys Fig. 7: Display and control unit If an error message appears on the display during operation, you will find a list of problems or errors at Table 18 "Error messages". Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
Measured value display: Display of the configuration, see chapter 8.5 In the menu: Going to the next menu item, numerical value or function selection. If the key is kept pressed, this is done continuously. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
If you have forgotten the password, you can access the menu at any time by means of the master code 287. You can cancel the key lock by resetting the code with the entry 000 in the (Loc) menu item in the Basic Adv. Functions (b. E F) submenu. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
If applicable In addition, diagnosis possibilities are available in the Diagnostic (dia) menu. A detailed representation of the entire menu structure If applicable can be found in the appendix, see chapter 15 in these instructions. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Before using this option, check the hazard potential within your process. Bosch Rexroth AG accepts no responsibility for any damage to health or material damage that may occur as a result of this setting.
The following options are available: Optional settings: Degree Celsius Degree Fahrenheit [°C, °F] The measured value conversion and the adjustment of the measurement range are carried out automatically. Nevertheless, the corresponding switching and switch-back points must be checked. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Temperature menu. The procedure for changing the settings does not change. In the reassignment of the switching outputs, all related settings have to be checked. The values set in advance are not adjusted automatically. The assignment of the LEDs to the status display does not change. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
000 to 999 The active number is moved one digit to the right. ▶ Finally confirm the code by means of the key. The device returns to the submenu. Canceling the key lock with the entry: 000. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
In a level switch with a length of 37.0 cm, the value rises e.g. from –31.5 (cm) to –2.5 (cm) when the level rises. These values can be changed as described below. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
The following options are available: Optional settings: Condition as supplied: Condition as supplied: [No, yes] No, the current settings are Yes, the settings are reset to maintained. the standard factory settings. Below you will find a list of the factory settings. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
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Relating to the total length L of the level switch -x x = 5.5 cm for stainless steel float SK 221 x = 3.5 cm for PU float SK 604 Minimum distance to the flange = 2.5 cm Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
SPx and closes again F000573 when the value falls below the switch-back (Normally open contact) point rPx. (Normally closed contact) Hysteresis function as normally (Hysteresis) SP-rP closed contact See also explanations to the diagram below. (Time) RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
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+24 V F000575 (Time) The switching function may have different designations: Open Closed Open Closed Rising normally open contact Rising normally closed contact Falling normally closed contact Falling normally open contact NO (normally open) NC (normally closed) Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
The set value corresponds to the upper window limit. If the OUT 1 switching output has been assigned the Frequency output function, will be displayed. The set value corresponds to the frequency 1 Hz. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
If the OUT X switching output has been assigned the Window function, the set value corresponds to the switch-back delay detecting the valid achievement of the measuring window. If the OUT X switching output has been assigned the Frequency output function, this value will have no effect. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
• Switching output 2: Min. contact, rising normally open contact. So with the factory setting, the LED is illuminated if the minimum temperature value is exceeded. So in this case, the LED would be illuminated if the status is ok. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
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The LED is illuminated o, L=-o] if the PNP switching output if the PNP switching output is closed. is open. The display function of the status LED influences the recording of events, see chapter 8.10, Diagnosis options. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
The set output range must not be selected to be less than 10% of the measurement range: – ≧ 10% AI. H i AI. L o If the selected range is too small, the analog value output may show steps. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
The set output range must not be selected to be less than 10% of the measurement range: – ≧ 10% AI. H i AI. L o If the selected range is too small, the analog value output may show steps. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
Furthermore, general information such as type codes, material numbers and pin assignments can also be read out. The IODD of the float switches can be found at: www.boschrexroth.com/de/de/produkte RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Confirm the display with the key to delete the event list and return to the submenu. If no events have been recorded, the display changes between and non. The stored data will be overwritten after 6 months. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
key to delete Menu order: the event list and return to the submenu. • Max. value • Time • Min. value • Time • Delete (reset) The stored data will be overwritten after 6 months. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
Open the value list by means of the key. ▶ Set the value with the and keys and confirm with the key (e.g. 5 (seconds)). The device returns to the submenu. Setting range: 0...100 seconds Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
For this purpose, please put the device in suitable packaging and return it to one of the Bosch Rexroth service representations. You can find the addresses of our service representations at www.boschrexroth.com.
10.3 Preparing the components for storage/further use Proceed as follows in order to prepare the float switch for storage and further use: ▶ Use the original packaging for storage. ▶ Protect the float switch from dust and humidity. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
The materials for disposable packaging are mostly cardboard, wood, and expanded polystyrene. They can be recycled without any problems. For ecological reasons, disposable packaging should not be used for returning products to Bosch Rexroth. 11�4 Materials used Hydraulic components from Bosch Rexroth do not contain any hazardous materials that could be released during intended use.
Any declarations shall If you undertake any extensions to or modifications of the product marketed become invalid by Bosch Rexroth, this means you are changing the condition as supplied. Any statements made by Bosch Rexroth regarding this product will then become invalid.
▶ Document all work done. ▶ In case you are not able to remedy an error that has occurred, please contact one of the addresses that you can find at www.boschrexroth.com or in the list of addresses in chapter 15.1. RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
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▶ Check the supply voltage at the second connector. connector ▶ Ensure that the supply voltage is connected to the Error 1024 second connector before or shortly after the first. Internal error ▶ Contact the customer service. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
Technical data | Float switch, Type ABZMS-41 57/64 14 Technical data You can find the technical data on the ABZMS-41 float switch in the data sheet 50223, see chapter 1.2 "Required and amending documentation". RE 50223-B, Edition 2023-10, Bosch Rexroth AG...
+49 (0) 9352/18 0 For questions about the Bosch Rexroth AG product: Online Customer Support Phone: +49 (0) 9352/40 30 20 Email: my.support@boschrexroth.com The addresses of our sales and service network and sales organizations can be found at www.boschrexroth.com. Bosch Rexroth AG, Edition 2023-10, RE 50223-B...
LINK available for download. We regularly check our products for the use of hazardous substances (SVHC), buy our components exclusively from qualified suppliers and ensure with the compliance of the Bosch standard N2580 that our AB products do not pose any danger to people and the environment.
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