Elcold PRO 21 Инструкция по эксплуатации онлайн [12/18] 275990
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Elcold PRO 21 Инструкция по эксплуатации онлайн [12/18] 275990

Elcold PRO 21 Инструкция по эксплуатации онлайн [12/18] 275990
User Instructions Low Temperature Freezers Model PRO/XLT
11
DIGITAL INPUT
HES
Set point change during during the Energy
Saving cycle: (Down Sc./Full Sc.) sets the
variation of the set point during the Energy
Saving cycle.
i1F
Digital input operating mode:
configure the digital input function:
c-H
= to invert the kind of action: direct -
reverse;
oFF = to switch the controller off.; AUS = Not
used; HES = Energy Saving;
EAL = generic external alarm; bAL = serious
external alarm: it switches off the loads.
i1P
Digital input polarity:
CL: the digital input is activated by
closing the contact;
OP: the digital input is activated by
opening the contact
did
Digital input alarm delay: (0÷255 min) delay
between the detection of the external
alarm condition (i1F= EAL or i1F = bAL) and
its signalling.
OTHER
Adr
RS485 serial address (0÷247) identifies the
instrument within a control or supervising
system.
onF
Swithching ON/OFF enabling from keyboard:
(no = disabled; yES=enabled) It permits the
switching ON/OFF of the instrument by press
-
ing the SET key for more than 4s.
Ptb
Parameters table: (read only) Shows the
code of the parameters map.
rEL
Software release: (read only)
Pr2
To access the Pr2 parameter programming
menu.
Installation and mounting
Instrument XT110C and XT111C shall be
mounted on vertical panel, in a 29x71 mm
hole, and fixed using the special brackets
supplied.
To obtain an IP65 protection grade use the
front panel rubber gasket (mod. RG-C) as
shown in figure.
The temperature range allowed for correct
operation is 0÷60 °C. Avoid places subject
to strong vibrations, corrosive gases, exces
-
sive dirt or humidity. The same recommen
-
dations apply to probes. Let air circulate by
the cooling holes.
Electrical connections
The instruments are provided with screw
terminal block to connect cables with a
cross section up to 2,5 mm². Before con
-
necting cables make sure the power supply
complies with the instrument’s requirements.
Separate the input connection cables from
the power supply cables, from the outputs
and the power connections. Do not exceed
the maximum current allowed on each
relay, in case of heavier loads use a suitable
external relay.
Serial connections
All models can be connected to the
monitoring and supervising system XJ500
using the serial port. The external XJ485
serial module to interface the instrument
with the monitoring and supervising system
XJ500 is required.
The standard ModBus RTU protocol it is
used.
NOTE: Instruments with current or voltage
input and 230V or 115V supply, cannot be
connected to the XJ485 serial module.
BRACKET
(PUSH TO RELEASE)
PANEL

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