Data Sheet
Programming key
Type MMIMYK
Electronic controller suitable for all HVAC/R software application needs.
MMIMYK is the advanced “all in one” device that performs up to three different functions:v
It has a bright graphic display and a keyboard that enable to configure the module to run several functions.
It has also a slot for SD/MMC card (Multi Media
Card) to extend the memory capacity.
Features:
• Full graphic OLED display, 128 x 64 dots resolution
• Easy connection to MCX CANbus network through telephone plug
• SD/MMC card slot for easy software upload and datalogging
• Modbus RS485 serial interface
• Powered by the MCX which it is connected to or the other way round
• Can execute an application like any MCX device
• Dimensions 105 x 72 mm
• Mounting DIN rail or portable
AI184586421031en-000701
Programming key, type MMIMYK
Product speci€cation
General features
Table 1: General features
Features |
Description |
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Power supply |
From the MCX through the RJ12 telephone connector |
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12 V DC (from DC connector) |
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24 V AC SELV (from screw plug-in connector type pitch 3.5 mm): on this supply it is advisable to use a dedicated transform- |
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er 24 V AC - 10 V A. It is mandatory if MMIMYK is connected to devices without insulation between power supply and extra- |
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low voltage such as EXD316 |
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From USB 2.0 (maximum 500 mA) |
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Plastic housing |
DIN rail mounting complying with EN 60715 |
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Ball test |
125 °C according to IEC 60730-1 |
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Leakage current: ≥250 V according to IEC 60112 |
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Operating conditions |
CE: -20T60, 90% RH non-condensing |
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Storage conditions |
-30T80, 90% RH non-condensing |
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Integration |
In Class I and / or II appliances |
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Index of protection |
IP20 only on the front cover |
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Period of electric stress across insulat- |
Long |
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ing parts |
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Resistance to heat and fire |
Category D |
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Immunity against voltage surges |
Category I |
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Software class and structure |
Class A |
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Connection diagram
Figure 1: Connection ports of MYK
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~24 V |
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If powered by 24 Vac then |
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~10 VA |
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it is mandatory to use |
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a dedicated transformer |
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POWER SUPPLY 12 V DC
POWER SUPPLY 24 V AC
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<![if ! IE]> <![endif]>RS485 (Modbus) |
CANBus
RS485
12 VDC 24 VAC |
R H L GND GND D+ D- |
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+ |
CAN |
RS485 |
CAN-RJ
SD/MMC CARD
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<![if ! IE]> <![endif]>SD/MMC Card |
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<![if ! IE]> <![endif]>Mini USB |
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MINI USB
© Danfoss | Climate Solutions | 2021.03 |
AI184586421031en-000701 | 2 |