Re S.p.A. US3
Rev.12/04/11 4/23
Technical characteristics
Operating frequency: 125kHz
Minimum measuring distance: 150mm at 25°C (160mm at 50°C )
Maximum measuring distance: 1800mm
(for materials which absorb sound: this is reduced in proportion to
the degree to which the material absorbs sound)
Operating mode: - Diameter reader / Regulator (resolution 0.5mm)
2 analog outputs: - Proportional diametral output 0-10V
- Regulated diametral output 0-10V or 4-20mA
(possibility of inverting the regulated diametral output)
Setpoint analog input
10V reference voltage for setpoint external potentiometer connection
Software filter to prevent sudden changes in distance
2 digital outputs for alarms with programmable threshold
10-position multi-purpose LED bar
Target present indicator
Automatic compensation of change in speed of sound with temperature
RS-485 for connection to Personal Computer
Power supply: 24V dc
Installation
To ensure that the device is installed efficiently, follow the instructions below:
1. Even if the device can function properly at a voltage that varies between 18 and 30Vdc, always supply
a stabilised voltage that is not affected by network load variations.
2. Never leave a break in the cable shielding. If a connector or joint has to be inserted in the US3
cable, make the connection as shown as shown in the diagram:
3. The CLAMP ferrite provided with the equipment must be applied to the cable.
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