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The BLS-148H is a plug-in bi-level multiplexer card for use in TTC’s EDAU/CDAU/WDAU products. Operation in the WDAU, wide-band system, can occur at bit rate speeds up to 20 Mbit/sec. The card is intended for applications that require detection of logic levels, switch status, or other “on/off” signal types.
Threshold levels are user-programmable to accommodate a wide range of inputs. Bilevel data is encoded for transmission in the system PCM output format. The card has 3 data trigger/latch modes and the capability for timestamping discrete data inputs.
These features result in a high-performance discrete card for interfacing with a wide variety of digital subsystems.
Key Features
- 48 channels per card (four 12 bit words)
- Programmable input threshold
- +10V to -10V on a word basis
- Programmable floating input detect “0”/“1” on a word basis
- Programmable input trigger modes
- Sample based on PCM format
- Sample based on system’s simultaneous sample pulse
- Sample based on minor frame
- Sample based on major frame
Applications
- Computers I/F via parallel digital I/O
- Monitor BCD-compatible equipment
- I/F with parallel time code
- Switch/relay status monitoring
BLS-148H 48-Channel Bi-Level Multiplexer Card