FOUR-STAGE DIGITAL CONTROLLER WITH
ALARM, CYCLICAL TIMER, SOAK FUNCTION,
AND SERIAL COMMUNICATION
MT543EPLUSV05-01P-15725
evolution
MT-543
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V
er
.05
MT-543
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MT-543
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Control
Functions
Shutdown
Functions
lock
Serial
programming
Degree of
protection
IP 65
FRONT
Audible
alarm
Cyclical
timer
Supervisory
system
WARNING
ACCESSORIES:
Only use original accessories of Full Gauge Controls.
If you have any questions, please contact our technical support.
AUTHORIZED SERVICES:
The installation and maintenance of the product must only be performed by qualified personnel.
DUE TO CONSTANT EVOLUTION, FULL GAUGE CONTROLS RESERVES THE RIGHT TO CHANGE THE
INFORMATION CONTAINED IN THIS MANUAL.
BEFORE INSTALLING THE CONTROLLER WE RECOMMEND READING THE INSTRUCTION
MANUAL THOROUGHLY IN ORDER TO AVOID POSSIBLE DAMAGE TO THE PRODUCT.
PRECAUTIONS WHEN INSTALLING THE PRODUCT:
Before performing any procedure in this instrument, disconnect it from the mains; make sure the
instrument has proper ventilation, avoiding installation in panels containing devices that may force
it to work outside the specified temperature limits;
Install the product away from sources that can generate electromagnetic disturbances, such as:
motors, contactors, relays, solenoid valves, etc;
1. DESCRIPTION
2. APLICATIONS
It has four stages that can be applied to refrigeration or heating: the first stage, together with the third
stage, works in systems that require minimum ventilation; the third one also works as a cyclical timer;
the fourth one works as an alarm. The second, third and fourth stages work also in the following modes:
Refrigeration, heating, refrigeration (Sp1), and heating (SP1). Stage 1 can be used in soak mode and
allows configuring up to five different setpoints and the time each one will remain active.
MT-543
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accepts two types of sensor: NTC thermistor (-50 to 200 °C*), PT-100** (-99 to 300 °C). It has an
intelligent functions lock system, a mode to switch off the control functions, an internal audible alarm
(buzzer), and a configurable digital filter and serial interface for communications with Sitrad.
• Blood banks
• Vaccines
• Temperature multistage systems
• Beer brewing
• Air conditioners
• Datacenters
Note:
Sensor cable length can be increased to up to 200 meters by the user by using a PP 2 x 24 AWG cable.
*It measures temperatures up to 200 °C using the SB59 (sold separately).
**Sensors sold separately
3. TECHNICAL SPECIFICATIONS
4. INDICATIONS AND KEYS
MT-543
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Set key
Quick access
menu key (Flatec)
Temperature unit indication
LED
Increase key
Decrease key
Led indicator
(digital output 1 on / off)
Led indicator
(digital output 2 on / off)
Led indicator
(digital output 3 on / off)
Led indicator
(digital output 4 on / off)
Buzzer alarm indication led
5. 5. INSTALLATION - PANEL AND ELECTRIC CONNECTIONS
Panel (front view)
Panel
(side view)
Dimensions of the opening
to fasten the instrument
71
mm
± 0,5
29
mm
± 0,5
FOR INSTALLATIONS THAT REQUIRE WATER
TIGHTNESS, THE OPENING TO INSTALL THE
CONTROLLER MUST BE 70.5 x 29 mm MAXIMUM. THE
SIDE LATCHES MUST BE FIXED IN ORDER TO PRESS
THE SEALING GASKET TO PREVENT INFILTRATION
BETWEEN THE OPENING AND THE CONTROLLER.
WARNING
1
5 6 7 8
2 3 4
9
POWER
SUPPLY
10 11 12 13 14 15 16 17
115 Vac
1
5 6 7 8
2 3 4
9
POWER
SUPPLY
10 11 12 13 14 15 16 17
115 Vac
connection
C
O
M
M
O
N 1
230 Vac
connection
1
5 6 7 8
2 3 4
9
POWER
SUPPLY
10 11 12 13 14 15 16 17
1
5 6 7 8
2 3 4
9
POWER
SUPPLY
10 11 12 13 14 15 16 17
12 Vac/dc
connection
12 Vac/dc
24 Vac/dc
24 Vac/dc
connection
IMPORTANT
3/32'' (2.4 mm) SLOTTED SCREW DRIVER FOR ADJUSTMENTS
IN THE SIGNAL TERMINALS;
#1 PHILLIPS SCREW DRIVER FOR ADJUSTMENTS IN THE
POWER TERMINALS.
IT IS ESSENTIAL TO USE PROPER TOOLS IN ORDER TO AVOID
DAMAGES TO THE INSTRUMENT'S CONNECTION TERMINALS:
A
B
SITRAD
NTC
PT-100**
0
C
O
M
M
O
N 2
O
U
T 1
O
U
T 2
O
U
T 3
O
U
T 4
A
B
SITRAD
NTC
PT-100**
A
B
SITRAD
NTC
PT-100**
NTC
PT-100**
A
B
SITRAD
0
230 Vac
0
0
C
O
M
M
O
N 2
O
U
T 4
C
O
M
M
O
N 2
O
U
T 4
C
O
M
M
O
N 2
O
U
T 4
6. OPERATIONS
6.1. Quick Access Menu Map
To access or browse the quick access menu, use the
;
key (quick touch) while the temperature is being
displayed by the controller. With each touch the next function in the list is displayed. To confirm use the
/
key (quick touch). See chapter 6.3 for more details. The map of functions is shown below:
;
ADJUSTING DESIRED
TEMPERATURE (SETPOINT)
;
FUNCTIONS LOCK
;
CONTROL FUNCTIONS
SHUTDOWN
;
ERASE MAX. AND
MIN. VALUES
MIN. AND MAX.
TEMPERATURE RECORD
;
;
ALARM INHIBITOR
FUNCTION SELECTION
;
EXIT FUNCTION
;
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6.2. Quick access keys map
When the controller is on temperature display mode, the following keys can be used as shortcuts for the
following functions:
Hold down for 2 seconds: Setpoint adjustment.
Hold down for 2 seconds: Inhibits the audible alarm and alarm output.
Quick touch: Maximum and minimum temperature display.
/
<
<
<
Hold down for 2 seconds: clear history when records are being displayed.
Held down simultaneously: Enters function selection.
<
<
** This sensor is sold separately.
C
O
M
M
O
N 1
O
U
T 1
O
U
T 2
O
U
T 3
C
O
M
M
O
N 1
O
U
T 1
O
U
T 2
O
U
T 3
C
O
M
M
O
N 1
O
U
T 1
O
U
T 2
O
U
T 3
MT-543
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SOAK TIMES
CONFIGURATION
;
Hold down for 2 seconds: Soak Menu.
/
e
Have this manual to hand using
the
FG Finder
application.
Control temperature
*NTC:
-50 to 200ºC / -58 to 392ºF
**
PT100:
-99 to 300ºC / -146 to 572ºF
Power supply
MT-543E Plus:
115~230 Vac ±10% (50/60 Hz)
MT-543EL Plus:
12 or 24 Vac/dc +10%
Operating temperature
0 to 50ºC / 32 to 122ºF
Operating humidity
10 a 90% UR (no condensation)
Dimensions (mm)
76 x 34 x 77 mm (WxHxP)
Maximum output current
OUT1, OUT2, OUT3, OUT4:
5(3)A / 250 Vac / 1/8HP
Dimensions of the clip for fixing the
instrument
71 ± 0,5 x 29 ± 0,5 mm (see item 5)
Approximate consumption
0,5 VA
