Alliance Sensors Group's SC-200 DIN-rail-mounting LVDT signal conditioner for industrial measuring systems, testing laboratories, and factory automation offers push buttons for fast and easy calibration of the Full Scale and Zero Outputs, differential input to minimize ground-loop noise, and color-coded screw terminal plugs for quick hook up.
The SC-200 is engineered to work with a very wide range of LVDT, RVDT, and inductive half-bridge (LVRT) sensors by providing four excitation frequencies that operate most AC-LVDTs over a 50 to 5,000 mVrms range of sensor output. SC-200 modules offer a choice of 8 analog outputs and a half-duplex RS-485 digital communications port to facilitate remote setup and for saving a module's setup parameters to hot-swap them with another module.
Technical information and the datasheet can be found below.
- - Cybersecurity Lock to Prevent Tampering
- - Smart Calibration by Front Panel Push Buttons
- - Differential Input for Superior Noise Immunity
- - Color-coded Removable Screw Terminal Plugs
- - Auto-Mastering
- - Comprehensive Diagnostics
| Operating Power: | +15 to +30 V DC (+24 V nominal), 100 mA max. at 24 V DC; +15 V DC and -15 V DC needed for ±10 V DC bipolar output |
| Excitation Voltage: | 3.0 Vrms (nominal) push-pull drive (factory default), 4.5 Vrms (nominal) push-pull drive (jumper J7 removed), 1.5 Vrms (nominal) single-ended drive for low impedance primary |
| Excitation Frequencies: | 2.5 kHz, 5 kHz, 7.5 kHz, 10 kHz (nominal) |
| Auto-Master Syncing: | Master output controls up to fifteen units ; if the master fails, a new master is automatically generated for fail-safe excitation control |
| LVDT Output Range: | 50 mVrms to 5000 mVrms at LVDT’s full scale position |
| Analog DC Outputs: | 0 - 5 V, 1 - 5 V, 0.5 - 4.5 V, 0.5 - 9.5 V, 0 -10 V, -10 to +10 V, 0 - 20 mA sourcing (3-wire), 4 - 20 mA sourcing (3-wire) |
| Loop Resistance: | 850 Ohms maximum with 24 V DC supply |
| Output Non-Linearity: | ≤±0.025% of Full Span Output (FSO) |
| Frequency Response: | Standard -3 dB BW: 10% of excitation frequency (minimum); Low noise -3 dB BW: 0.1 - 10 Hz (default) user adjustable |
| Noise and Ripple: | ≤1 mVrms (voltage output); ≤2 μArms (current loop output) |
| Fault Detection: | Open LVDT winding, shorted or grounded LVDT connection; LVDT cable disconnected; open or shorted analog output |
| Failure Indications: | Flashing LEDs; N.C. 50 mA solid state switch, user settable to N.O. |
| Null Detection: | Front panel LEDs; ±3 mV threshold out of about ±1.6V signal level |
| Operating Temperature: | -20 to 75 C |
| Temperature Coefficient: | ±0.0025% of FSO/°C (combined span and zero shift) |
| Zero Set: | Front panel push button or RS-485 ASCII command |
| Full Scale Set: | Front panel push button or RS-485 ASCII command |
| Digital Interface: | RS-485 2-wire half-duplex, multi-drop network, 16 individual addresses |
| Cybersecurity Lock: | User enabled |
| Null output signal:: | ±3 V DC max. (floating) |
Download AC-LVDT Signal Conditioner SC-200 Datasheet- Download AC-LVDT Signal Conditioner SC-200 Quick Start Guide
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