Data Sheet
Programmable controller, 8 relays
Type MCX08M2
Electronic controller suitable for all HVAC/R software application needs.
MCX08M2 is an electronic controller that holds all the typical functionalities of MCX controllers in the compact size of 8 DIN modules:
• Programmability
• Connection to the CANbus local network
• Modbus RS485 opto-insulated serial interface
It is available in the version with or without graphic LCD display, and 110 / 230 V AC or 24 V AC power supply.
Features:
• 8 analog and 8 digital inputs
• 4 analog and 8 digital outputs
• Power supply 24 V AC / 20 / 60 V DC and 110 V / 230 V AC
• Remote access to data through CANbus connection for additional display (LCD available) and keyboard
• RTC clock for managing weekly time programs and data logging information
• Modbus RS485 opto-insulated serial interface
• Dimensions 8 DIN modules
• Available with graphic LCD display and without display for showing the desired information
AI217686427688en-000901
Programmable controller, 8 relays, type MCX08M2
Portfolio overview
Table 1: Portfolio overview
MCX family |
MCX06C |
MCX06D |
MCX061V |
MCX08M2 |
MCX152V |
MCX15B2 |
MCX20B2 |
|
Product image |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Power supply |
24 V |
24 V |
24 V or |
24 V or |
24 V or |
24/110/230 V |
24/110/230 V |
|
110/230 V |
110/230 V |
110/230 V |
||||||
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
Built-in display (optional) |
LED |
LCD |
LCD |
LCD |
LCD |
LCD |
LCD |
|
|
|
|
|
|
|
|
|
|
Analog Inputs |
4 |
4 |
7 |
8 |
14 |
10 |
16 |
|
|
|
|
|
|
|
|
|
|
Digital Inputs |
6 |
8 |
8 |
8 |
18 |
22 |
22 |
|
|
|
|
|
|
|
|
|
|
Analog Outputs |
2 |
3 |
3 |
4 |
6 |
6 |
6 |
|
|
|
|
|
|
|
|
|
|
Digital Outputs |
6 |
6 |
6 |
8 |
15 |
15 |
20 |
|
|
|
|
|
|
|
|
|
|
EXV driver embedded |
|
|
1 |
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
RS485 |
1 |
1 |
1 |
1 |
2 |
1 |
2 |
|
|
|
|
|
|
|
|
|
|
CANbus |
• |
• |
• |
• |
• |
• |
• |
|
|
|
|
|
|
|
|
|
|
Ethernet / Web server |
|
|
optional |
|
optional |
• |
• |
|
|
|
|
|
|
|
|
|
|
USB/Memory Card |
|
|
• |
|
• |
• |
• |
|
|
|
|
|
|
|
|
|
|
Dimensions |
|
|
|
|
|
|
|
|
(1 DIN module = 17,5 |
33 x 75 mm |
4 DIN |
8 DIN |
8 DIN |
16 DIN |
16 DIN |
16 DIN |
|
mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
© Danfoss | Climate Solutions | 2021.03 |
AI217686427688en-000901 | 2 |
Programmable controller, 8 relays, type MCX08M2
Product speci€cation
General features
Table 2: General features
Features |
Description |
|
Power supply |
85 – 265 V AC, 50/60 Hz. Maximum power consumption: 20 V A |
|
|
Insulation between power supply and the extra-low voltage: reinforced |
|
|
20 – 60 V DC and 24 V AC ± 15% 50/60 Hz SELV |
|
|
Maximum power consumption: 10 W, 17 V A |
|
|
Insulation between power supply and the extra-low voltage: functional |
|
Plastic housing |
DIN rail mounting complying with EN 60715 |
|
|
Self extinguishing V0 according to IEC 60695-11-10 and glowing / hot wire test at 960 °C according to IEC 60695-2-12 |
|
Ball test |
125 °C according to IEC 60730-1 |
|
|
Leakage current: ≥ 250 V according to IEC 60112 |
|
Operating conditions |
CE: -20T60 / UL: 0T55, 90% RH non-condensing |
|
Storage conditions |
-30T80, 90% RH non-condensing |
|
Integration |
In Class I and / or II appliances |
|
Index of protection |
IP40 only on the front cover |
|
Period of electric stress across insulat- |
Long |
|
ing parts |
|
|
Resistance to heat and †re |
Category D |
|
Immunity against voltage surges |
Category II |
|
Software class and structure |
Class A |
|
|
|
Input/Output
Table 3: Analog inputs
Type |
Num |
Speci€cations |
NTC |
4 |
AI5, AI6, AI7, AI8 |
0 / 1 V |
|
Analog inputs selectable via software between: |
0 / 10 V |
|
• 0 / 1 V, 0 / 5 V, 0 / 10 V : impedance is greater than 1 MΩ |
PT1000 |
|
• NTC (10 kΩ at 25 °C) |
|
|
• Pt1000 |
Universal |
4 |
AI1, AI2, AI3, AI4 |
|
|
Universal analog inputs selectable via software between: |
|
|
• ON/OFF (current: 20 mA) |
|
|
• 0 / 1 V, 0 / 5 V, 0 / 10 V : impedance is greater than 1 MΩ |
|
|
• 0 / 20 mA, 4 / 20 mA |
|
|
• NTC (10 kΩ at 25 °C) |
|
|
• Pt1000 |
|
|
12 V+ power supply 12 V DC, 50 mA max for 4 / 20 mA transmitter (total on all outputs) |
|
|
5 V+ power supply 5 V DC, 80 mA max for 0 / 5 V transmitter (total on all outputs) |
|
|
|
Table 4: Digital inputs
Type |
Num |
Speci€cations |
Voltage free con- |
8 |
DI1, DI2, DI3, DI4, DI5, DI6, DI7, DI8 |
tacts |
|
Current consumption: 5 mA |
|
|
|
Table 5: Analog outputs
Type |
Num |
Speci€cations |
0 / 10 V DC optoins |
2 |
AO3, AO4 |
|
|
Analog outputs optoinsulated 0 / 10 V DC minimum load 1 kΩ (10 mA) for each output |
PWM |
2 |
AO1, AO2 |
PPM |
|
Analog outputs selectable via software between: |
0 / 10 V DC |
|
• 0 / 10 V DC minimum load 1 kΩ (10 mA) for each output |
|
|
• pulsing output, synchronous with the line, at modulation of impulse position (PPM) or modulation of impulse width (PWM) |
|
|
• pulsing output, at modulation of impulse width (PWM) with range 20 Hz to 1 KHz: open circuit voltage: 6.8 V |
|
|
|
© Danfoss | Climate Solutions | 2021.03 |
AI217686427688en-000901 | 3 |
Loading...