K-114 - 3 Pages

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K-114

Catalog excerpts

Interface converter communication usb The K-114 interface converter is recommended for use with KELLER products and enables communication between a device and computer via a USB interface. Description The interface converter communicates with the connected devices via an RS485 bus. Power is supplied to the connected devices via the computer's USB interface or an external power supply. Bias or termination resistors may be activated if necessary in order to improve communication via the RS485. An echo function is also available. Multimeter/measuring analog signals The K-114 converter measures the power consumption of the connected devices and an a ­ rbitrary voltage signal. These signals can be evaluated and displayed using the supplied software. If only one external device is connected, a functional check can be performed or the analog pressure signal can be displayed. The K-114 interface converter enables ✓ Communication USB – RS485 (half-duplex) ✓ Power supply to connected devices (12 VDC) ✓ Measurement of applied signal voltage (0…12 VDC) ✓ Measurement of the power consumption of end consumers (0…40 mA) ✓ Optical status and configuration display (LED) ✓ Galvanic isolation between computer and converter ✓ Selective activation of echo, bias resistors or a termination resistor ✓ Software and drivers included in scope of delivery Technical specifications Power supply to end consumer (without power adapter) External power supply (with power adapter) Voltage input Resolution of voltage input Current measurement Resolution of current measurement Interface / plug type RS485 configuration parameters RS485 transmission rate (slow) RS485 transmission rate (high) RS485 bus devices RS485 cable length Storage / operating temperature H x W x D Weight Protection USB 2.0 / Mini USB-B ECHO / BIAS (2 x 560 Ω) / Termination (120 Ω) up to 250 kbps up to 3 Mbps up to 128 bus devices (1/4 unit load) 0,75 m -10…50 °C 56 x 31 x 24 mm approx. 90 g IP 40 KELLER AG für Druckmesstechnik CH-8404 Winterthur +41 52 235 25 25 info@keller-druck.com KELLER Ges. für Druckmesstechnik mbH DE-79798 Jestetten +49 7745 9214 0 eurocenter@keller-druck.com Edition 07/2018 Subject to alterations Companies app

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Functions Power supply 12…20 VDC - Bias resistor RS485 Driver Supply to end devices (+VCC) Termination resistor Bias resistor The K-114 converter shows the connection status and the selected configuration parameters, which are displayed via status LEDs. The digital multimeter enables measurement of the supply voltage U-OUT [VDC] and the power consumption of the connected devices I-OUT [mA], as well as measurement of the voltage signal U-IN [VDC] of the connected device. The K-114 interface converter generates a virtual COM port via which the RS485 interface can be accessed. The converter...

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Product overview The various versions of the K-114 interface converter use different, product-specific interface plugs. The product overview shows the compatibility between the product and the interface converters. The converter can also be expanded using additional cable options. For a complete product overview and a detailed technical description of the interface converter and operating instructions, visit www.keller-druck.com. X-Line with cable X-Linie with Binder plug Customised, ready to use X-Line Pin assignment of the converters K-114 A Fischer plug-in connector S 103 A054-130 (male)...

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