
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 dierent functions:v
It has a bright graphic display and a keyboard
that enable to congure 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

From the MCX through the RJ12 telephone connector
12 V DC (from DC connector)
24 V AC SELV (from screw plug-in connector type pitch 3.5 mm): on this supply it is advisable to use a dedicated transformer 24 V AC - 10 V A. It is mandatory if MMIMYK is connected to devices without insulation between power supply and extralow voltage such as EXD316
From USB 2.0 (maximum 500 mA)
DIN rail mounting complying with EN 60715
125 °C according to IEC 60730-1
Leakage current: ≥250 V according to IEC 60112
CE: -20T60, 90% RH non-condensing
-30T80, 90% RH non-condensing
In Class I and / or II appliances
IP20 only on the front cover
Period of electric stress across insulating parts
Long
Resistance to heat and re
Immunity against voltage surges
Software class and structure
RS485
(Modbus)
CANBus
RS485
POWER SUPPLY 12 V DC
POWER SUPPLY 24 V AC
CAN-RJ
12 Vdc 24 Vac
CA N RS 485
D+ D-R H L GND GND
+
-
SD/MMC
Card
Mini USB
SD/MMC CARD MINI USB
~
~
24 V
10 VA
If powered by 24 Vac then
it is mandatory to use
a dedicated transformer
!
Danfoss
80G8076.01
Programming key, type MMIMYK
Product specication
General features
Table 1: General features
Connection diagram
Figure 1: Connection ports of MYK
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6/6 way telephone RJ12 plug type
Power supply 24 V AC
connector
2 way screw plug-in connector type
• pitch 3.5 mm
• section cable 0.08 – 1.5 mm²
4 way screw plug-in connector type
• pitch 3.5 mm
• section cable 0.08 – 1.5 mm²
3 way screw plug-in connector type
• pitch 3.5 mm
• section cable 0.08 – 1.5 mm²
For memory card SD/MMC type
12 Vdc 24 Vac
CAN RS4 85
D+ D-R H L GND GND
+
-
105
72
31
Danfoss
80G8077.01
Programming key, type MMIMYK
Figure 2: Connection MYK - MCX
Connection
Table 2: Connection
Dimensions
Figure 3: Dimensions
User interface
Table 3: User interface
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Set by the application software
Expansion slot (SD/Multi Media Card) up to 2 GB
MMIMYK, PC/MCX Interface and MCX Programming, Data Logging, S
EU Declaration of conformity
EMC directive 2014/30/EU:
EN61000-6-4: 2007 +A1: 2011
EN61000-6-2: 2005
RoHS directive 2011/65/EU and 2015/863/EU:
EN 50581: 2012
Programming key, type MMIMYK
Ordering
Product part numbers
Table 4: Product part numbers
Certicates, declarations, and approvals
The list contains all certicates, declarations, and approvals for this product type. Individual code number may have
some or all of these approvals, and certain local approvals may not appear on the list.
Some approvals may change over time. You can check the most current status at danfoss.com or contact your local
Danfoss representative if you have any questions.
Table 5: Certicates, declarations, and approvals
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