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PMS-920/20 - Aplisens

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User manual - METER <strong>PMS</strong>-<strong>9<strong>20</strong></strong>/<strong>20</strong><br />

!<br />

!<br />

- Do not use the unit in areas threatened with excessive shocks, vibrations, dust,<br />

humidity, corrosive gasses and oils.<br />

- Do not use the unit in areas where there is risk of explosions.<br />

- Do not use the unit in areas with significant temperature variations, exposure to<br />

condensation or ice.<br />

- Do not use the unit in areas exposed to direct sunlight.<br />

- Make sure that the ambient temperature (e.g. inside the control box) does not<br />

exceed the recommended values. In such cases forced cooling of the unit must<br />

be considered (e.g. by using a ventilator).<br />

The unit is designed for operation in an industrial environment and must<br />

not be used in a household environment or similar.<br />

2. GENERAL CHARACTERISTICS<br />

The <strong>PMS</strong>-<strong>9<strong>20</strong></strong>/<strong>20</strong> meter is equipped with one current input 0-<strong>20</strong> / 4-<strong>20</strong>mA and one voltage<br />

input 0-5 / 1-5 / 0-10 / 2-10V. Current input has additionally overcurrent protection circuit, which<br />

protects standard resistor. The selection of active input is realised by software, and selected<br />

input can be changed at any time. Additionally the <strong>PMS</strong>-<strong>9<strong>20</strong></strong>/<strong>20</strong> allows user to select a<br />

conversion characteristic of several kinds: linear, square, square root, user defined (max.<strong>20</strong><br />

points length) and and volume characteristics of a cylindrical tank in the vertical and horizontal<br />

position. Result is showed on 4-digit LED display. Displayed values range can be selected by<br />

user, from -999 to 9999, plus decimal point.<br />

The device can be equipped with two or four relay (or OC type) outputs. Optionally <strong>PMS</strong>-<br />

<strong>9<strong>20</strong></strong>/<strong>20</strong> with two relays outputs can be equipped with active current output. Device <strong>PMS</strong>-<strong>9<strong>20</strong></strong>/<strong>20</strong><br />

is equipped with RS-485 / Modbus RTU communication interface and sensor supply output.<br />

The meter can be ordered in two power supply versions.<br />

<strong>PMS</strong>-<strong>9<strong>20</strong></strong>/<strong>20</strong> can be used for controlling and regulation of processes need proportional<br />

and threshold control like: temperature processes (heating or cooling), valves controlling or<br />

other.<br />

3. TECHNICAL DATA<br />

Power supply voltage<br />

(depending on version)<br />

External fuse (required)<br />

Power consumption<br />

Current input<br />

Current measurement accuracy<br />

85...230...260V AC/DC; 50 ÷ 60 Hz (separated)<br />

or 19...24...50V DC and 16...24...35V AC (separated)<br />

T - type, max. 2 A<br />

max. 4.5 VA @ 85 ÷ 260V AC/DC<br />

max. 4.5 VA @ 16V ÷ 35V AC<br />

max. 4.5 W @ 19V ÷ 50V DC<br />

0÷<strong>20</strong> mA, 4÷<strong>20</strong> mA overload protected,<br />

maximum input current about 40 mA<br />

± 0,1% @ 25°C; ± one digit (for 0÷<strong>20</strong> mA range)<br />

4

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