4P0420.00-490
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The 4P0420.00-490 control unit boasts an LC display with 4x20 characters, 34 function keys, 10 digital inputs, and dimensions of 155 x 190 mm (WxH). Part of the 4P Series manufactured by B & R Automation, it features IP65 ingress protection from the front and requires a 24 VDC power supply.
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Product Description:
The 4P0420.00-490 is a small power panel released by B&R Industrial Automation way back in 2004, weighing only 1.25 kilograms. It has a limited screen size, which can only display a maximum of 4 x 20 characters at a time. Even though it does not have a large screen size, however, it has several membrane keys and communication interfaces, which make it ideal for monitoring numerical data instantly. Based on its manual, the 4P0420.00-490 is 155 mm wide, 190 mm high, and 84.4 mm deep. With its construction, keypad placement, and small screen size, it almost looks like a big calculator.
Whenever operating any electrical unit, it is important to know the permissible environmental conditions under which the unit performs normally. According to B&R's user manual, the 4P0420.00-490 operates between 0 and 50 degrees Celsius. During storage or transport, the 4P0420.00-490 will not incur any internal damage as long as the ambient temperature stays between -20 and 60 degrees Celsius. Aside from the permissible temperature range, B&R's manual recommends keeping the environmental humidity between 10 and 90% non-condensing. The 4P0420.00-490's front casing has a protection category of IP 65.
Other features of the 4P0420.00-490 include 34 function keys, a 2003 CPU, a 700 kByte SRAM for the user, a 600 kByte system PROM, and a 1.4 Mbyte FlashPROM. It also supports CAN and RS232 communication protocols through its built-in interfaces. Like other power panels, it uses a 24 V supply and can handle up to 10 digital inputs and 8 digital outputs. Whenever needed, the 4P0420.00-490 provides a dedicated slot for PCMCIA, which stands for Personal Computer Memory Card International Association. The PCMCIA slot provides optional capabilities for network and modem functionalities.
Frequently Asked Questions about 4P0420.00-490:
Q: Is the 4P0420.00-490 a good power panel?
A: The 4P0420.00-490 is a compact power panel that is adequate for various applications and systems. Although it has limited display capabilities, it offers robust functions and supports several communication protocols.
Q: What communication interfaces does the 4P0420.00-490 have?
A: The 4P0420.00-490 has one RS232 interface and one CAN interface. Both of these interfaces use a 9-pin DSUB plug.
Q: What other peripherals does the 4P0420.00-490 offer?
A: The 4P0420.00-490 offers various other peripherals, such as a real-time clock, status display LEDs, six slots for B&R screw-in modules, and an additional PCMCIA slot.
Q: What keys are available in the 4P0420.00-490?
A: The 4P0420.00-490 has 34 total membrane keys, 17 of which are function keys that have LEDs and legend sheets, while the remaining 17 keys are system keys.
Q: What type of display does the 4P0420.00-490 have?
A: The 4P0420.00-490 has a monochrome LCD display that can only show 4 x 20 characters at a time.
