134L5903
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MPN: FC-102P15KT2E55H2XGCXSXS080XAXBXCXXXXDX
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The Danfoss 134L5903 is part of the VLT FC 102 HVAC Drives series and features the ICFE 25 Solenoid Valve Module. It operates as a solenoid-actuated module designed for liquid and gas flow control with compliance to EN 10088 and EN 10213-3 standards. Its seat is made of high-density polymer.
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Product Description:
The 134L5903 Frequency Converter is engineered for precise and efficient motor control in industrial environments. It ensures stable performance through advanced digital output capabilities, fast response times and wide frequency output ranges. This converter is suitable for demanding automation tasks requiring high accuracy and reliability.
The 134L5903 frequency converter from Danfoss features two programmable digital or pulse outputs assigned to terminals 27 and 29 which can also be configured as inputs. The voltage level at these outputs ranges from 0 to 24 V with a maximum output current of 40 mA that is suitable for both sink and source modes. The maximum load at frequency output is 1 kΩ while the capacitive load reaches up to 10 nF. The unit supports a minimum output frequency of 0 Hz and a maximum of 32 kHz that makes it highly versatile for a range of applications. The accuracy for frequency output is specified with a maximum error of 0.1 % of full scale and it operates with a 12 bit resolution. The control card of this converter offers a 24 V DC output across terminals 12 and 13. It delivers 24 V with a tolerance of + 1 and -3 V and supports a maximum load of 200 mA. The control card features a scan interval of 1 ms for precise system timing.
The 134L5903 frequency converter offers an output frequency resolution of ± 0.003 Hz over the 0 – 590 Hz range. The repeat accuracy for the "Precise start/stop" function (via terminals 18 and 19) is within ±0.1 ms and the overall system response time is ≤ 2 ms. The unit maintains an accuracy of ± 0.15 rpm within a 0 – 6000 rpm range depending on the feedback device resolution.
Frequently Asked Questions about 134L5903:
Q: How does the 134L5903 Frequency Converter manage timing precision in systems requiring synchronized start/stop sequences?
A: It achieves repeat accuracy of ±0.1 ms via terminals 18 and 19 using the "Precise start/stop" function. The system maintains a total response time of ≤ 2 ms.
Q: How accurately can the 134L5903 Frequency Converter deliver motor speed control in closed-loop applications?
A: It maintains speed accuracy within ±0.15 rpm across a 0–6000 rpm range. The precision depends on the resolution of the connected feedback device.
Q: What flexibility does the 134L5903 Frequency Converter offer in configuring I/O for custom digital control architectures?
A: Terminals 27 and 29 support dual-function operation as digital or pulse outputs and can be configured as inputs. They deliver up to 24 V at 40 mA in sink or source mode.
Q: How does the 134L5903 Frequency Converter support high-frequency output signaling for advanced motion or feedback tasks?
A: It provides frequency output from 0 Hz up to 32 kHz with a 12-bit resolution. Accuracy is held within 0.1% of full scale for stable control performance.
Q: How stable is the control card supply in the 134L5903 Frequency Converter during continuous automation cycles?
A: It supplies 24 V DC through terminals 12 and 13 with a +1/–3 V tolerance and 200 mA load capacity. The scan interval is 1 ms, ensuring fast logic processing.
