EVCO EC3533 - Manual

1
EC 3-533E 4/95
DIGITAL PRESSURE
CONTROLLER
with one output
EC 3-533
GENERAL CHARACTERISTICS
* Size: 74 x 32 mm.
* 12 or 12-24Vac/dc power- supply
* Alarm buzzer included
* Custom configuration through keyboard or Personal
Computer
* Configuration parameters accessible through
Password
* Easy integration with remote-assistance or
remote-managing
* Three digits display, height: 12,5mm.
* Indication of pressure with decimal point
* One relay output (8A at 230 Vac)
* Two widely configurable pressure-alarms
* Setpoint locking facility
EC 3-533 is a digital one output pressure controller, designed to work with current output (0-20 mA or 4-20 mA) 2
or 3 wires pressure transducers and it can provide the power-supply to the transducers as long as they are abled to
work inside a range of supply-voltage between 9 an 20 V.
In factory, the instrument gets programmed to accept, at the input, one of the Every Control transducers (EC PRS 00,
EC PRS 01, EC PRS 02 or EC PRS 03) that permit to cover a range of pressure between -0.5 and 250 bar; however, just
changing some parameters it is possible to connect the instrument to other transducers.
The output can be easily programmed to activate at the decrease of pressure (reverse functioning) or to activate at the
increase of pressure (direct functioning).
The SPDT relay output can manage (up to) 8A loads at 230 Vac and are supplied in standard version; as option, it is
possible to request an output with low-voltage signal, suitable to drive the SSR modules (solid state relay).
Besides that, through some parameters programming, it is possible to submit the output activation to a series of delays,
in order to guarantee a proper use of the connected load.
The acoustic alarm, normally mounted in this instrument, and the flashing display, have been concepted in order to
catch user' s attention in case of not proper functioning: defective probe, corrupted memory-data or probe-signal
outside the limits.
The instrument is provided of two pressure alarms, that can be disabled, each of them is configurable in six different
ways of working; the intervention of each alarm activates the acoustic alarm with intermittent beep, at the same time
the display will show "AL 1" (or "AL 2") alternated to the measured pressure value.