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Concept

Concept


Products: MP-C
Functionalities: Hardware
Product version: 2024
2/12/2024

MP-C Controllers

The MP-C controller is a multi-purpose, fully programmable, IP based field controller. The MP-C models offer a flexible mix of I/O point types that suits a wide range of HVAC applications. The MP-C can either be used as a standalone BACnet field controller or as part of an EcoStruxure BMS with an automation server or Enterprise Server as the parent server.

The MP-C allows for flexible control solutions due to the Ethernet ports, the interface to SpaceLogic Sensor devices, and the versatile mix of universal inputs/outputs, triac outputs, relay outputs, and high power relay outputs.

When MP-Cs are part of an EcoStruxure BMS, you can take full advantage of the existing EcoStruxure Building Operation engineering tools.

The MP-C can be installed on a DIN rail or other flat surface inside a cabinet.

The MP-C can be equipped with MP-C Display, which is an optional add-on module for output override. The MP-C Display can also be used to view and locally configure inputs and outputs.

The MP-C is available in several different models, including a category of models that differ from the other models in that they only support BACnet MS/TP communication, have a reduced set of communication ports and do not support features such as the MP-C Display.

 
action_zoom_plus_stroke MP-C-18A

MP-C-18A

MP-C Models

The MP-C controller is available in five models that support BACnet/IP communication. These five models offer five different combinations (sets) of the number of I/O points and types of I/O points. The MP-C controller also comes in two models that only support BACnet MS/TP communication.

For more information, see MP-C Models .

MP-C Onboard I/O

The MP-C models offer a versatile mix of I/O point types that match a wide variety of applications. Most of the I/O points are universal inputs/outputs, which are highly flexible and can be configured as either inputs or outputs.

For more information, see MP-C Onboard I/O .

Output Override Function (Optional)

The output override function allows you to manually override outputs. This function can be used for testing, commissioning, and maintenance of equipment.

For more information, see Output Override Function .

MP-C Built-in Power Supply

The MP-C has a built-in power supply designed to accommodate 24 VAC at 50/60 Hz or 24 to 30 VDC input power.

For more information, see MP-C Built-in Power Supply .

Memory in RP and MP Controllers and I/O Modules

RP and MP controllers and I/O modules are devices that have three types of memory:

  • Flash memory: for boot loader, operating system, application software, and configuration storage

  • RAM: for runtime operation

  • FRAM non-volatile memory: for data retention in the case of power outage

For more information, see Memory in RP and MP Controllers and I/O Modules .

RP and MP Controller Supported Building Standards

One of the cornerstones of the EcoStruxure BMS is support for open standards. As a result, the RP and MP controllers comply with the BACnet open standard, one of the most popular standards for buildings.

For more information, see RP and MP Controller Supported Building Standards .

MP-C Communication Ports

The MP-C controller provides a combination of communication ports, such as:

  • Ethernet port(s)

  • USB port(s)

  • RS-485 port(s)

For more information, see MP-C Communication Ports .

MP-C Sensor Bus

The MP-C sensor bus allows SpaceLogic Sensor devices to be connected to the controller.

For more information, see MP-C Sensor Bus .

MP-C Modbus

The MP controller Modbus RTU (RS-485) subnetwork allows standard Modbus devices to be connected to the controller. An adapter is required for converting the controller RS-485 Com port with RJ45 interface to screw terminals.

For more information, see MP-C Modbus .

MP-C BACnet MS/TP Support

The support for BACnet MS/TP communication differs between the MP-C controller models. Only MP-C models with “-M” in the product name support BACnet MS/TP. These MP-C models are designed for connection to a BACnet MS/TP (RS-485) network and can only communicate with automation servers using the BACnet MS/TP protocol.

For more information, see MP-C BACnet MS/TP Support .

MS/TP DIP Switches

You must configure the DIP switches as part of the commissioning process for the RP and MP controllers and RP-IO modules that only support MS/TP communications.

For more information, see MS/TP DIP Switches .

MP-C Screw Terminals

Most of the MP-C controller models have removable (pluggable) screw terminal blocks for the power input and onboard I/O. The removable terminal blocks are easy to install and remove from the device. The terminal blocks are installed on the device at delivery. MP-C models with “-M” in the product name have fixed screw terminals for the power input and onboard I/O and a removable screw terminal block for connection to the BACnet MS/TP (RS-485) network.

For more information, see MP-C Screw Terminals .

MP-C Controller LEDs

There are five or three LEDs on the front panel of the MP-C controller, depending on the MP-C model.

For more information, see MP-C Controller LEDs .

MP Controller Reset Modes

You can reset and restart the MP controllers in different ways depending on how long you press the reset button. The resets and restarts can affect the retention of values after restart based on the retain levels configured for the variables.

For more information, see MP Controller Reset Modes .

MP-C Device Installation

The MP-C can be installed on a DIN rail or other flat surface inside a cabinet. The device is recommended to be installed in a cabinet, unless local regulations allow an exception.

For more information, see MP-C Device Installation .

Wiring

The wiring recommendations provide guidance regarding wiring of the Central IO modules, automation servers, RP and MP controllers, IP-IO and RP-IO modules, RP controller expansion modules, and Operator Display.

For more information, see Wiring .

Firmware Management of MP and RP Controllers and IP-IO and RP-IO Modules

Using WorkStation, you can update the firmware of multiple BACnet/IP devices and their attached SpaceLogic Sensor devices at the same time with minimum downtime. In particular, the universal upgrade package simplifies the update process and requires minimal user involvement and coordination.

Tip:

SpaceLogic Sensor devices are supported by the BACnet/IP controllers - MP and RP controllers.

For more information, see BACnet/IP Device Firmware Management .

Specifications

AC input
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Nominal voltage
24 VAC
Operating voltage range
+/- 20 %
Frequency
50/60 Hz
Maximum power consumption (MP-C-15A, -18A, -18B)
22 VA
Maximum power consumption (MP-C-24A)
28 VA
Maximum power consumption (MP-C-36A)
33 VA
Power input protection
MOV suppression and internal fuse
MP-C-24A-M and MP-C-36A-M
Nominal voltage
24 VAC
Operating voltage range
+/- 20 %
Frequency
50/60 Hz
Maximum power consumption (MP-C-24A-M)
10 VA
Maximum power consumption (MP-C-36A-M)
12 VA
Power input protection
MOV suppression and internal fuse
DC input
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Nominal voltage
24 to 30 VDC
Operating voltage range
21 to 33 VDC
Maximum power consumption (MP-C-15A, -18A, -18B)
12 W
Maximum power consumption (MP-C-24A)
15 W
Maximum power consumption (MP-C-36A)
18 W
Power input protection
MOV suppression and internal fuse
MP-C-24A-M and MP-C-36A-M
Nominal voltage
24 to 30 VDC
Operating voltage range
21 to 33 VDC
Maximum power consumption (MP-C-24A-M)
5 W
Maximum power consumption (MP-C-36A-M)
6 W
Power input protection
MOV suppression and internal fuse
Environment
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Ambient temperature, operating
0 to 50 °C (32 to 122 °F) at normal operation a
  
-40 to +60 °C (-40 to +140 °F) for rooftop applications, horizontal installation only a
Ambient temperature, storage
-40 to +70 °C (-40 to +158 °F)
Maximum humidity
95 % RH non-condensing
MP-C-24A-M and MP-C-36A-M
Ambient temperature, operating
0 to 50 °C (32 to 122 °F)
Ambient temperature, storage
-40 to +70 °C (-40 to +158 °F)
Maximum humidity
95 % RH non-condensing
Material
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Plastic flame rating
UL94-5V
Ingress protection rating
IP 20
MP-C-24A-M and MP-C-36A-M
Plastic flame rating
UL94 V-0
Ingress protection rating
IP 20
Mechanical
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Dimensions (MP-C-15A, -18A, -18B)
153 W x 110 H x 64 D mm (6.0 W x 4.3 H x 2.5 D in.)
 
action_zoom_plus_stroke
Dimensions (MP-C-24A, -36A)
234 W x 110 H x 64 D mm (9.2 W x 4.3 H x 2.5 D in.)
 
action_zoom_plus_stroke
Weight, MP-C-15A
Including terminal blocks
0.358 kg (0.789 lb)
Weight, MP-C-18A
Including terminal blocks
0.371 kg (0.818 lb)
Weight, MP-C-18B
Including terminal blocks
0.361 kg (0.796 lb)
Weight, MP-C-24A
Including terminal blocks
0.495 kg (1.091 lb)
Weight, MP-C-36A
Including terminal blocks
0.547 kg (1.206 lb)
Recommended installation
DIN rail or flat surface in a cabinet a
Terminal blocks
Removable
MP-C-24A-M and MP-C-36A-M
Dimensions
234 W x 110 H x 64 D mm (9.2 W x 4.3 H x 2.5 D in.)
 
action_zoom_plus_stroke
Weight, MP-C-24A-M
0.446 kg (0.983 lb)
Weight, MP-C-36A-M
0.488 kg (1.076 lb)
Recommended installation
DIN rail or flat surface in a cabinet a
Terminal blocks
Power and I/O: Fixed
  
BACnet MS/TP communications: Removable
Real-time clock
All device models
Accuracy, at 25 °C (77 °F)
+/-1 minute per month
Backup time, at 25 °C (77 °F)
7 days minimum
Communication ports
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Ethernet
Dual 10/100BASE-TX (RJ45)
USB
1 USB 2.0 device port (mini-B)
  
1 USB 2.0 host port (type-A), 5 VDC, 2.5 W
RS-485 port Com A
24 VDC, 2 W, RS-485 (RJ45)
  
Transient voltage suppressors on communication and power signals
MP-C-24A-M and MP-C-36A-M
RS-485 port
RS-485 (3-pole screw terminal block)
  
Transient voltage suppressors on communication signals
RS-485 transceiver characteristics
All device models
Transceiver type
Failsafe
  
Non-isolated
External biasing
None required
Total Unit Load (UL) per device
Maximum 0.5 UL
Communications
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
BACnet
BACnet/IP, port configurable, default 47808
  
BACnet/SC, port configurable, no default port
  
BTL B-AAC (BACnet Advanced Application Controller) a
MP-C-24A-M and MP-C-36A-M
BACnet
BACnet MS/TP, maximum bus length: 1200 m (4000 ft), maximum baud rate: 76800
  
BTL B-AAC (BACnet Advanced Application Controller) a
CPU
MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A, and MP-C-36A
Frequency
500 MHz
Type
ARM Cortex-A7 dual-core
DDR3 SDRAM
128 MB
NOR flash memory
32 MB
Memory backup
128 kB, FRAM, non-volatile
MP-C-24A-M and MP-C-36A-M
Frequency
500 MHz
Type
ARM Cortex-A7 dual-core
DDR3 SDRAM
128 MB
NOR flash memory
32 MB
Memory backup
128 kB a , FRAM, non-volatile
MP-C Display (Optional for all MP-C models except MP-C-24A-M and -36A-M)
Removable
No
Display size
36 W x 17 H mm (1.4 W x 0.7 H in.)
Display resolution
128 x 64 pixels
Display type
FSTN monochrome LCD, white color transflective backlight
Power consumption
max. 0.15 W (45 mA at 3.3 V)
Ambient temperature, operating
-30 to +60 °C (-22 to +140 °F)
Ambient temperature, storage
-40 to +70 °C (-40 to +158 °F)
Maximum humidity
95 % RH non-condensing
Weight
0.035 kg (0.077 lb)

Internal Configuration

The MP-C internal configuration with regards to the signal ground is shown in the following figures.

MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A and MP-C-36A
 
action_zoom_plus_stroke MP-C controller models MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A and MP-C-36A, internal configuration

MP-C controller models MP-C-15A, MP-C-18A, MP-C-18B, MP-C-24A and MP-C-36A, internal configuration

MP-C-24A-M and MP-C-36A-M
 
action_zoom_plus_stroke MP-C controller models MP-C-24A-M and MP-C-36A-M, internal configuration

MP-C controller models MP-C-24A-M and MP-C-36A-M, internal configuration

  • Hardware Overview
  • MP-C Models
  • MP-C Onboard I/O
  • Output Override Function
  • MP-C Built-in Power Supply
  • Memory in RP and MP Controllers and I/O Modules
  • RP and MP Controller Supported Building Standards
  • MP-C Communication Ports
  • MP-C Sensor Bus
  • MP-C Modbus
  • MP-C BACnet MS/TP Support
  • MS/TP DIP Switches
  • MP-C Screw Terminals
  • MP-C Controller LEDs
  • MP Controller Reset Modes
  • MP-C Device Installation
  • Wiring
  • BACnet/IP Device Firmware Management