Keyence FD-XA1 DIN‑Rail Flow Sensor Main Controller Unit
Manufacturer :KEYENCE
Product No. : FD-XA1
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Description:
The Keyence FD‑XA1 serves as the primary controller hardware for the FD‑X thermal‑type flow‑sensor lineup. Designed for standard DIN‑rail cabinet mounting, this main unit supports up to seven expansion slave units, delivers configurable digital‑switch and analogue signal output, and carries IO‑Link industrial communication capability. It converts real‑time flow‑sensor readings into actionable electrical signals for liquid‑flow detection, cumulative‑flow statistics and fluid‑process monitoring on automated production lines.
Detail:
| Specification Item | FD‑XA1 Parameter Details |
| Device Model | FD‑XA1 |
| Installation Form | Standard DIN rail mounting |
| Supply Voltage | 20‑30 VDC, 10 % peak‑to‑peak ripple permitted, Class‑2 power supply |
| Max Working Current | ≤195 mA (sensor‑head power included, load‑side current excluded) |
| Expansion Capacity | One main unit can connect a maximum of 7 expansion units |
| Digital Output Mode | Switchable NPN / PNP open‑collector output; Max 50 mA per channel on main unit, 20 mA per channel on expansion modules, residual output voltage ≤2 V |
| Analogue Output | Dual‑option 4‑20 mA / 0‑20 mA, maximum load resistance 500 Ω |
| Multifunction External Input | Zero‑flow reset, sampling trigger, accumulated‑flow reset, zero‑offset input (function‑switchable); Short‑circuit current ≤1 mA (NPN) / ≤2 mA (PNP), minimum trigger duration 20 ms |
| Industrial Protocol | Built‑in IO‑Link interface |
| Built‑in Protection Circuit | Reverse‑power‑supply protection, surge‑voltage defence, output short‑circuit and surge‑protection circuits |
| Performance Parameter | Technical Data |
| Main‑housing Material | Polycarbonate; Button component: POM; Connecting cable jacket: PVC |
| Net Weight | Approx. 210 g |
| Operating Temperature Range | ‑10 ℃ ~ +50 ℃, operation without internal freezing |
| Working Humidity | 35 %‑85 % RH, non‑condensing environment |
| Vibration Resistance | 10–55 Hz, 1.5‑mm peak‑to‑peak amplitude, two‑hour endurance testing along X, Y and Z axes |
| Shock‑Resistance Rating | 100 m/s² (10 G), 16‑millisecond pulse, 1000 impacts on three orthogonal axes |
Brand
With the rapid development of industrial automation, KEYENCE, as a leading supplier of sensors and measuring instruments, is constantly developing and manufacturing newer and more reliable products to meet the demands of various manufacturing industries. In addition to high-quality products, the well-trained KEYENCE sales team also offers excellent services, ranging from solving application problems, providing technical sales support to responding quickly to users' requests. KEYENCE has always been committed to supporting a wide range of users and helping them become leaders in their industries. Company Information n nCompany Name: KEYENCE n nDate of Establishment: May 27, 1974 n nRegistered Capital: 2,451 million RMB (30,638 million Japanese yen) n nHead Office and Research Center: 1-3-14, Nakajima, Higashiyodo, Osaka n nNumber of Employees: 3,150 (March 2011) n nBusiness Content: Sensors, Measuring instruments, Image Systems, Control? Research on measuring instruments? Analytical instruments for development
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