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HIMA | F3237 | 984323702 | Input Module | F-3237.HIMA F3237 is a digital input module that is used for safety-critical production processes. It is automatically tested completely during operation and has various test routines such as switch on and off capability, crosstalk of the input circuits by walking 0 test, function of the input filters, correct function of the module, and short circuit and wire break of the sensor line. However, the function of LEDs is not tested.F3237_Input: Used to read the status of the input channels.
The operating points of HIMA F3237 are as follows:
0 signal 0.35 ≤ IE ≤ 1.2 mA
1 signal 2.1 ≤ IE ≤ 6.0 mA
Wire break ≤ 0.28 mA
Short circuit ≥ 6.5 mA
The line impedance of HIMA F3237 is ≤ 50 Ohm (acc. to DIN 19234), and the line length is ≤ 1000 m (∅ = 0.5 mm2). The supply voltage of HIMA F3237 is US 8.2 V, and the shunt R* is 681 Ohm; 1 %; 0.25 W (R17 … R24) part no. 00 0751681. The switching time of HIMA F3237 is approximately 10 ms.( https://www.weikunfadacai1.com/)
Based on the information provided in the search results, it seems that HIMA F3237 is not available for purchase from authorized dealers or manufacturers. However, some websites claim to sell high-quality HIMA F3237 and deliver it quickly.
It is important to note that HIMA F3237 is a safety-critical component, and it should be used in accordance with the manufacturer’s instructions and guidelines. Any modification or misuse of the component can lead to serious safety hazards.
Proximity switches outside the DIN 19234 standard Different proximity switches are not according to the DIN 19234 standard. E. g. the proximity switch type NJ 5 – 30GK – S1N of the P&F company delivers a very low current in the non-damped state. This effects the reaction of the line break supervision of the F 3237 module Nevertheless to guarantee a correct function also in this case it is possible to increase the output current of the proximity switch to 170 µA in the nondamped state by switching in parallel a resistor of 47 kΩ. There are no limitations concerning the using in fail safe circuits because a break of the resistor would be signalled like a line break. Also a real line break will be detected as before.
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