This manual provides operation instructions, compliance information, and technical specifications for the Magnescale LY72 digital device.
The LY72 is a digital measuring device that displays axis data and supports various measurement units. It offers a 7‑digit amber display, key‑based operation, and can connect to external equipment via RS‑232C.
The manual includes compliance details for FCC, ICES‑003, and Australian EMC standards, as well as wiring diagrams, connector pin assignments, power‑supply requirements, and environmental limits. It also describes configuration options such as linear compensation, alarm functions, and key lock settings. This manual is written in Japanese.
| Driver output voltage | ±5 V to ±10 V |
|---|---|
| Driver output resistance | ≥300 Ω |
| Input resistance | 3 kΩ to 7 kΩ |
| Input allowable voltage | ±30 V |
| Maximum cable length | 15 m |
| Power supply (DC) | 12 V, 0.75 A |
| Power consumption (max) | 32 VA |
| Operating temperature range | 0 °C to 40 °C |
| Mass | ≈1.5 kg |
A cable length of no more than 15 m should be used.
The driver side output voltage ranges from ±5 V to ±10 V.
The device can be powered by a DC 12 V supply (0.75 A rating) or an AC 100‑240 V adaptor.
Pin 3 is TXD, Pin 2 is RXD; other pins include FG, CTS, RTS, DTR, SG as listed in the pin table.
This manual explains 5 error codes. Open a code for its meaning, causes and what to do: