If you're in the market for input/output modules for your distributed automation systems, akYtec's MX110 series offers a reliable and cost-effective solution. These modules are suitable for decentralized data acquisition and process control, providing a practical supplement to existing systems or the foundation for new setups.
Here's how to pick the right one.


Analyze System Needs:
Evaluate the number and type of input and output points your system requires. MX110 modules come in digital and analog variants to accommodate various signal types.
Digital vs. Analog:
Choose digital modules for simple on/off signals and analog modules for variable signal sensors. Fast analog inputs are available for applications needing rapid processing.
System Compatibility:
Ensure that the MX110 modules are compatible with your existing SCADA system, HMI, or PLC, specifically supporting the RS485 interface and Modbus RTU/ASCII communication protocols.
Advanced Features:
For more than basic data acquisition, opt for modules with pulse counters, sensor state diagnosis, PWM on digital outputs, additional logic functions, transmission protocol auto-detection, and fail-safe features to enhance system resilience.
By following these guidelines, you can ensure you select the MX110 module that best fits your automation requirements, delivering reliability and flexibility to your system.

For example, if you are in the fish industry, working at a fish processing factory, you probably have a large fridge hall where you need to control several parameters in a decentralized system:
- The condition of the tile freezers (freezing, defrosting, or stopping);
- The condition of the refrigerant circulation pumps (operation, accident, or shutdown);
- The current level value in the circulation receiver;
- The upper emergency level in the circulation receiver;
- Status of the refrigerant level sensor in the circulation receiver;
- The current value of the suction and discharge pressure of the units;
- Compressor status (operation, compressor blocking stopped);
- Compressor performance (50, 75, 100%);
- The status of the condenser fan groups (operation or shutdown).
In general, you’ll have around 45-48 digital signals you need to acquire and send to your PLC. To cover this case, you’ll need to organize 3 control cabinets: the first one will manage the control of the freezers' solenoids, the second will be responsible for condensate management, and the third will control the circulation receiver. To manage it, you can just place our digital input module MV110-24.16DN in every control cabinet, ensuring all signals are acquired and successfully transferred to the PLC.
For any of your applications, you can select modules according to these tables:
MV110 DIGITAL INPUT MODULES (DI, MODBUS RTU/ASCII, RS485)
Feature |
MV110-24.16D |
MV110-24.16DN |
Power Supply |
24 (18 ... 30) V |
24 (20...28) V DC |
Power Consumption, Max |
6 W |
6 W |
Inputs |
Digital: 16 |
Digital: 16 |
Interface |
RS485 |
RS485 |
Connection |
D+, D- |
D+, D- |
Protocols |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Baud Rate |
115.2 kBd |
2.4...115.2 kbit/s |
Dimensions |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
Weight |
Approx. 0.5 kg |
Approx. 240 g |
Material |
Plastic |
Plastic |
Input Signal |
Switch contact, NPN |
Switch contact (NPN/PNP) |
Galvanic Isolation |
2300 V |
1500 V, in groups of 4 |
Pulse Frequency, Max |
1 kHz |
1 kHz |
Pulse Length, Min |
0.5 ms |
0.5 ms |
Current, Max |
7 mA |
8.5 mA (with 27 V) |
MV110 ANALOG INPUT MODULES (AI, MODBUS RTU/ASCII, RS485)
Feature |
MV110-24.8A |
MV110-24.8AS |
Power Supply |
24 (20...28) V DC |
24 (20...28) V DC |
Power Consumption, Max. |
6 W |
6 W |
Analog Inputs |
8 |
8 |
Input Signals |
RTD, TC, Position encoders, Standard signals |
Standard signal 0-10 V, 0-5 mA, 0(4)-20 mA |
Measurement Error, Max. |
RTD: ±0.25%, TC: ±0.5%, Encoders: ±0.25%, Signals: ±0.25% |
± 0.25% |
Sampling Time per Input, Max. |
RTD: 0.9 s, TC/Encoders/Signals: 0.6 s |
5±2 ms |
Galvanic Isolation |
1500 V |
Between groups: 750 V, From power supply: 3000 V |
Resolution |
16 bit |
10 bit |
Interface |
RS485 |
RS485 |
Protocol |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Baud Rate |
2.4...115.2 kBit/s |
2.4...115.2 kBit/s |
Ambient Temperature |
-20...+55 °C |
-20...+55 °C |
Storage Temperature |
-25...+55 °C |
-25...+55 °C |
Humidity |
Up to 80%, non-condensing |
Up to 80%, non-condensing |
IP Code |
IP20 |
IP20 |
Dimensions |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
Weight |
Approx. 240 g |
Approx. 240 g |
Material |
Plastic |
Plastic |
MU110 DIGITAL OUTPUT MODULES (DO, MODBUS RTU/ASCII, RS485)
Feature |
MU110-24.8R |
MU110-24.8K |
MU110-24.16R |
MU110-24.16K |
Power Supply |
24 (20...28) V DC |
24 (20...28) V DC |
24 (20...28) V DC |
24 (20...28) V DC |
Power Consumption, Max. |
6 W |
6 W |
12 W |
12 W |
Digital Outputs |
8 |
8 |
16 |
16 |
Output Type |
Relay (NO) |
NPN Transistor |
Relay (NO) |
NPN Transistor |
Permissible Load |
4 A at 250 V AC or 24 V DC |
400 mA, 60 V DC |
3 A at 250 V AC or 30 V DC |
400 mA, 60 V DC |
Galvanic Isolation |
In groups of 4 |
In groups of 4 |
In groups of 4 |
In groups of 4 |
Interface |
RS485 |
RS485 |
RS485 |
RS485 |
Protocol |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Baud Rate |
2.4...115.2 kBit/s |
2.4...115.2 kBit/s |
2.4...115.2 kBit/s |
2.4...115.2 kBit/s |
Ambient Temperature |
-20...+55 °C |
-20...+55 °C |
-20...+55 °C |
-20...+55 °C |
Storage Temperature |
-25...+55 °C |
-25...+55 °C |
-25...+55 °C |
-25...+55 °C |
Humidity |
Up to 80%, non-condensing |
Up to 80%, non-condensing |
Up to 80%, non-condensing |
Up to 80%, non-condensing |
IP Code |
IP20 |
IP20 |
IP20 |
IP20 |
Dimensions |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
Weight |
Approx. 300 g |
Approx. 300 g |
Approx. 300 g |
Approx. 300 g |
Material |
Plastic |
Plastic |
Plastic |
Plastic |
MU110 ANALOG OUTPUT MODULES (AO, MODBUS RTU/ASCII, RS485)
Feature |
MU110-24.6U |
MU110-24.8I |
Power Supply |
24 (18...29) V DC |
24 (18...29) V DC |
Power Consumption, Max. |
6 W |
6 W |
Analog Outputs |
6 |
8 |
Output Signal |
0-10 V |
4-20 mA |
Permissible Load |
12...36 V DC, min. 2000 ohm |
10...36 V DC, 0...1300 ohm |
Accuracy |
±0.5% |
±0.5% |
Resolution |
10 bit |
10 bit |
Interface |
RS485 |
RS485 |
Protocol |
Modbus RTU / ASCII |
Modbus RTU / ASCII |
Baud Rate |
2.4...115.2 kBit/s |
2.4...115.2 kBit/s |
Ambient Temperature |
-20...+55 °C |
-20...+55 °C |
Storage Temperature |
-25...+55 °C |
-25...+55 °C |
Humidity |
Up to 80%, non-condensing |
Up to 80%, non-condensing |
IP Code |
IP20 |
IP20 |
Dimensions |
63 x 110 x 75 mm |
63 x 110 x 75 mm |
Weight |
Approx. 240 g |
Approx. 240 g |
Material |
Plastic |
Plastic |
MK110 INPUT AND OUTPUT MODULES (DI/O, MODBUS RTU/ASCII, RS485)
Feature |
MK110-24.8D.4R |
General |
|
Power Supply |
24 (20...28) V DC |
Power Consumption, Max. |
6 W |
Digital Inputs |
8 |
Type |
Switch contact, NPN |
Galvanic Isolation |
None |
Insulation Strength |
1500 V |
Pulse Frequency, Max. |
1 kHz |
Pulse Width, Min. |
0.5 ms |
Current, Max. |
7 mA |
Lead Resistance, Max. |
100 ohm |
Digital Outputs |
4 |
Type |
Relay |
Permissible Load |
4 A, 250 V AC cosϕ > 0.4 or 24 V DC |
Communication |
|
Interface |
RS485 |
Protocol |
Modbus RTU / ASCII |
Baud Rate |
2.4...115.2 kBit/s |
Environment |
|
Ambient Temperature |
-20...+55 °C |
Storage Temperature |
-25...+55 °C |
Humidity |
Up to 80%, non-condensing |
IP Code |
IP20 |
Enclosure |
|
Dimensions |
63 x 110 x 75 mm |
Weight |
Approx. 260 g |
Material |
Plastic |