CML75.1-3P-905-NA-NNNN-NW

MPN: R911174057

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CML Control Drive is manufactured by Bosch Rexroth Indramat. This drive has 8 input terminals and 8 output terminals. The voltage of this drive is 24V dc and the network type is Ethernet. This drive's memory is min 256 MB.

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Product Description:

Bosch Rexroth provides worldwide services in the manufacturing and maintenance of different industrial automation equipment. The company’s products such as controllers, servo motors, and converters are widely used in international market.

The CML75.1-3P-905-NA-NNNN-NW model comes in a compact design having a net weight of approximately 1.5 kg. The L75.1 controller provides resistance against 15 g shocks according to EN 60068-2-27 and it will also provide protection against 12.5 mm solid particles due to its IP20 protection category. The model is equipped with a 1.75 GHz Intel Atom E3827 DualCore processor which provides the instructions and processing power to the system. The L5.1 controller can take electrical connection through the DC link voltage of 24 VDC with the maximum and minimum supply voltage range of 19 VDC to 30VDC including ±5% residual ripple. The model uses the SERCOS 3 interface and PROFIBUS interface for effective communication and controlling various I/O devices through a centralized unit. The model comes with three additional interfaces which include 1 Ethernet interface, 1 Ready contact interface, and an optional serial interface for 2 × Ethernet connection.

The model CML75.1-3P-905-NA-NNNN-NW uses ambient air for cooling purposes and it has 8 digital inputs and 8 digital outputs. The model comes with a built-in 4 GB DRAM memory for use/applications, 16 MB buffered memory, and a slot for a compact flash card. The operating panel of the model consists of a 1-line display and 4 keys for manual operations. The model is typically used with CNC machines, food processing machines, packaging machines, and assembly systems. The model doesn’t have any other design and it comes without firmware. The 3V lithium battery having a service life of at least 5 years is used in this model. The permissible ambient temperature range for the controller is +5 to +55 degree Celsius. This control unit can be shipped globally with a one-year warranty period from Wake Industrial.

Buffered Memory
16 MB
Cooling
Ambient Air
CPU
1.75 GHz Intel Atom E3827 DualCore processor
Digital Inputs
8
Digital Outputs
8
Firmware
Not Availiable
Memory DRAM
min 256 MB
Operating Temperature Range
(+5 to +55) degree centigrade
Slot for Flash Card
Availiable
Weight
1.5 kg
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Symptom / fault cue Probable cause Corrective action
Stop LED lights red at power-up; display shows “NO COMPACT FLASH” Program card missing or not seated Insert correct CF card, reboot the PLC. 
Stop LED red; LCD blank Text display module not plugged Fit/secure the 1-line LCD module, then press RESET. 
Stop LED flashes red (outputs blocked) Previous system error still latched Acknowledge in IndraWorks or short-press Reset key. 
“System is booting” remains > 60 s Corrupt firmware image Power-cycle; if symptom persists, reload FW from CF card via IndraWorks. 
24 V LED off / random resets Logic supply < 20.4 V dc Adjust PSU to 24 V (20.4…28.8 V at terminals). 
Device hot, fan not turning Clogged or failed plug-on fan option Clean grilles; replace Rexroth service fan kit. 
“Battery low” message at start-up 3 V lithium cell near end of life Replace battery while control is powered to prevent SRAM loss. 
Ground fault/EMC noise on I/O Functional earth strap missing Bond FE stud (< 1 m, ≥ 6 mm²) to cabinet back-plate. 
Intermittent field-bus errors Poor shielding & cable routing Re-route power away from data lines, ground shields 360°, use metallic cable channels. 
CF-slot contacts oxidised Protective cap absent Fit the plastic cap supplied for the Compact-Flash slot when card is removed. 
Model CPU DRAM (min) On-board I/O Built-in field-bus
CML75.1-3P-905-NA-NNNN-NW  Atom E3827, 1.75 GHz dual-core  256 MB  8 DI / 8 DO  SERCOS III + PROFIBUS 
CML75.1-3P-900-NA-NNNN-NW Atom dual 1.7 GHz  256 MB  8-Aug Ethernet (TCP/IP) 
CML75.1-NP-900-NA-NNNN-NW — (Atom family) 256 MB  8-Aug PROFIBUS master only 
CML65.1-3P-500-NA-NNNN-NW Celeron 1 GHz  256 MB  8-Aug SERCOS II + configurable field-bus 
CML45.1-3P-500-NA-NNNN-NW x86 500 MHz  256 MB  8-Aug Ethernet TCP/IP + ready contact 
CML40.1-NP-220-NA-NNNN-NW — (Geode / LX800) 32 MB  8-Aug SERCOS, PROFIBUS, Ethernet 
Error / LED code What it means
“Stop” LED lights red Controller entered STOP/system-error state
“Stop” LED flashes red Outputs disabled / blocks active
“No Compact Flash” display CF-card missing or not detected
“System is booting” stays indefinitely Boot sequence can’t finish (corrupt firmware or project)
“No display plugged in” Optional front-display module absent
Battery-low warning Lithium backup cell below minimum voltage
“Temp !!!” warning Internal temperature ≥ 70 °C
Automatic shutdown at ≈ 80 °C Over-temperature self-protection tripped
Fan not detected after power-up Optional cooling fan absent or failed
SRAM data lost Battery completely empty; remanent memory cleared

Frequently Asked Questions about CML75.1-3P-905-NA-NNNN-NW:

Q: What kind of protection does the CML75.1-3P-905-NA-NNNN-NW model offer against physical impacts and particles?

A: The model provides resistance against 15 g shocks as per EN 60068-2-27 standards and has IP20 protection against 12.5 mm solid particles.

Q: What is the acceptable DC link voltage range for the CML75.1-3P-905-NA-NNNN-NW controller?

A: The L5.1 controller operates within a supply voltage range of 19 VDC to 30 VDC, with an electrical connection through a 24 VDC DC link voltage.

Q: Which interfaces are utilized by the model CML75.1-3P-905-NA-NNNN-NW for communication and controlling I/O devices?

A: The model employs the SERCOS 3 interface and PROFIBUS interface for effective communication and centralized I/O device control.

Q: What are the memory specifications of the CML75.1-3P-905-NA-NNNN-NW model?

A: The model is equipped with a 4 GB DRAM memory, 16 MB buffered memory, and a slot for a compact flash card.

Q: Does the CML75.1-3P-905-NA-NNNN-NW model come with built-in firmware?

A: No, the model comes without firmware and relies on its built-in memory and interfaces for operations.


Internal Product Review

  • ‘‘The CML75.1-3P-905-NA-NNNN-NW offers a compact design, robust IP20 protection, and versatile communication interfaces, making it a reliable choice for varied applications.’’

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