The Sony LY51 Display Unit is a panel-mountable gauging display engineered for industrial measurement and quality control applications. It combines a primary 7-digit LED display with dual secondary 7-digit green LED displays and a 16-digit message display, delivering flexible multi-channel readout capability. The unit supports selectable resolution down to 0.1 µm with compatible transducers and incorporates advanced measurement functions including peak hold, zero point referencing, linear compensation, and arithmetic operations (ADD/SUB). Modular I/O architecture accommodates up to three replaceable expansion boards simultaneously, enabling custom integration with comparator relays, RS-232C serial communication, open-collector outputs, phase outputs, and BCD interfaces. External contact inputs support reset, recall, latch, and custom signal routing. The display operates across standard industrial power (100–230 VAC, 50/60 Hz) at 30 VA consumption and meets EN 55011 Group 1 Class A electromagnetic compatibility and EN 61010-1 safety standards. Design incorporates power-loss data memory, inch/metric mode selection, and environmental protection suitable for machine-tool and laboratory environments.
Technical Specifications
Display
• Primary: 7-digit LED with leading zero suppression and floating minus sign
• Secondary: Two 7-digit green LEDs with 16-digit message display
• Resolution: Selectable per transducer type (0.1 µm with DE-B gauge)
Functional Capability
• Peak hold (maximum, minimum, peak-to-peak capture)
• ADD/SUB calculations (A+B, A–B, B–A)
• Linear compensation for transducer table movement
• Zero point detection and reference function
• Data and display latch, presetting and recall
• Comparator function with relay or open-collector output
• Inch/metric display modes
I/O Configuration
• Up to 3 replaceable expansion boards
• Comparator (relay and open-collector variants), RS-232C, A/B phase, BCD outputs
• External inputs: reset, recall, restart, latch, zero point, mode, print
Power & Environment
• Input: 100–230 VAC, 50/60 Hz
• Consumption: 30 VA
• Operating temperature: 0–40°C
• Humidity: 80% RH max (non-condensing, 0–31°C); 50% RH (31–40°C)
– Key Features
• High-reliability zero point reference for repeatable baseline measurements
• Concurrent peak hold and comparator operation
• Modular expansion board architecture for custom I/O routing
• Power-loss data retention
• Compact panel-mount form factor
– Typical Applications
• Precision gauging and dimensional inspection
• Machine-tool mounted measurement displays
• Multi-axis position monitoring
• Quality control test stations
– Compatibility & Integration
EN 55011 Group 1 Class A (EMC), EN 50082-2, EN 61010-1 (safety). Accepts third-party transducers with selectable resolution modes.
