EVCO EC6708 - Manual (Page 52)

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TECHNICAL DATA
Technical data - How to order
TECHNICAL DATA
Case
Plastic grey (PPO), self-extinguishing.
Size
160 x 90 x 58 mm (6.29 x 3.54 x 2.28 in., 9 DIN modules).
Installation
On DIN EN 50022 standard rail installation according with DIN 43880
norms.
Type of protection
IP 40.
Connections
Screw terminal blocks with pitch 7.5 mm (0.29 in., power supply and
relay outputs for condenser fans/compressors/choking valves) for ca-
bles up to 2.5 mm² (0.38 in.²), screw terminal blocks with pitch 5.08
mm (0.2 in., inputs, relay outputs for instrument locking and alarms
management and analog output) for cables up to 2.5 mm² (0.38 in.²).
Ambient temperature
From 0 to +60 °C (+32 to +140 °F, 10 ... 90 % of not condensing relative
humidity).
Power supply
230 Vac, 50/60 Hz, 6 VA.
Insulation class
II.
Alarm buzzer
Incorporated.
Measure inputs
2 (suction and condensing probe) configurable for 2 wires 4-20 mA
pressure transducers (Ri 56 Ohm)/PTC probes (these last for the con-
densing probe only); at terminals 30 and 34 +12 V (+30 %, -20 %) are
available to supply the transducers.
Digital inputs
12 (5 V, 1 mA) of which eight user associated to the output K1 ... 8
locking configurable to interact on the outputs K1 ... 8 status and for
NO or NC contact, one freon level configurable for NO or NC contact,
one condenser fans safety configurable for NO or NC contact, one
upper condensing quantity configurable to interact on the instrument
status and for NO or NC contact and one lower pressure configurable
to interact on the instrument status and for NO or NC.
Working range
Configurable.
Setting range
All the working range.
Resolution
Configurable.
Display
4-digit display 12.5 (0.49 in.) high red LED display with automatic
decimal point and sign, relay outputs status indicators, instrument sta-
tus indicators, programming status indicators, unit of measure of the
displayed quantity indicators.
Outputs
ten relay outputs of which eight 6 (2) A @ 250 Vac relays configurable
to manage up to ½ HP @ 250 Vac compressors/condenser fans (NO
contact), one 5 (2) A @ 250 Vac relay for instrument locking manage-
ment (change-over contact), one 5 (2) A @ 250 Vac relay for alarms
management (NO contact) and one 4-20 mA or 0-10 V analog output
associated to the condenser fans (the maximum load that can be con-
nected is 200 Ohm).
HOW TO ORDER
Instrument name
EC 6-708.
Desired measure input
I
for 2 wires 4-20 mA pressure transducers/PTC probes.
Desired power supply
220
230 Vac.
Suffix
S0 01
0-20 or 4-20 mA analog output,
S1 01 0-10 V analog output.