User manual

9
ENG
MPXPRO - + 0300055EN rel. 1.3 07/03/13
Master/Slave boards (MX30*24HO0)
With 2 PWM outputs and PWM driver board with 0 to 10 Vdc output
incorporated.
Fig. 1.f
Stepper EEV expansion board (MX3OPST***).
Optional board for controlling a CAREL E
2
V electronic expansion valve
driven by stepper motor. Model MX3OPSTP0* also has a 0 to 10 V
modulating output for controlling the evaporator fans and anti-sweat
heaters.
Available in version with ultracap technology to ensure the electronic
valve closing in the event of power failure to avoid the installation of
liquid solenoid valve.
Fig. 1.g
PWM (Pulse-Width Modulation) EEV expansion board
(MX3OPPWM**)
Optional board for controlling an AC or DC PWM electronic expansion
valve. Model MX3OPPWM0* also has a 0 to 10 V modulating output for
controlling the evaporator fans and anti-sweat heaters.
Fig. 1.h
0 to 10 Vdc expansion board (MX3OPA1002)
Optional board used to manage the evaporator fans and anti-sweat
heaters with a 0 to 10 Vdc control signal.
Fig. 1.i
RTC and RS485 interface card (MX3OP48500)
Optional card that adds the clock (RTC) and RS485 interface (CAREL and
Modbus® protocol) functions to the MPXPRO Slave controllers, making
them MPXPRO Master controllers.
Fig. 1.j
User terminal (IR00UG*300) and remote display
(IR00XG*300)
The user terminal includes the display and the keypad, featuring 4
buttons that, pressed alone or in combination, are used to program the
controller. The remote display is used to show system variables. Both
devices are available in two versions, with or without infrared receiver
and commissioning port.
user terminal remote display
Fig. 1.k Fig. 1.l
USB/RS485 converter (CVSTDUMOR0)
The USB/RS485 converter is an electronic device that is used to interface
an RS485 network to a personal computer using the USB port.
Fig. 1.m