I/O Modules
akYtec I/O modules include two lines: Mx110 with RS485 and Mx210 with Ethernet
- Modules are compatible with third-party PLCs
- Suitable for both local and remote installation (in the same cabinet with the PLC, or at a distance from it)
- Supported protocols: Modbus TCP/ RTU, MQTT, SNMP – ability to connect modules to akYtec Cloud, SCADA, and IIoT APPs
- Daisy-chain wiring & LAN bypass
- DIN-rail & wall mounting
- Free and easy-to-use software for configuring modules
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Mx110 is a range of I/O modules with an RS485 interface and Modbus RTU protocol. The modules are connected via a two-wire communication line to the master device and can be used to build centralized and decentralized automation systems. The Mx110 series is compatible with any devices supporting RS485, such as third-party PLCs, programmable relays, PCs with installed SCADA systems, HMIs, etc.
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Mx210 - the range of universal I/O modules with Ethernet interfaces. These modules support a wide range of protocols, such as Modbus TCP, MQTT, and SNMP, making them suitable for both centralized and decentralized industrial automation systems, as well as IIoT applications. The Mx210 series is compatible with third-party PLCs, programmable relays, PCs, SCADA systems, HMIs, etc.
1. Determine the communication protocol and interface
akYtec I/O modules support two types of physical communication interfaces: RS485 and Ethernet. Each of these interfaces has its own advantages and disadvantages.
RS485
A widely used interface, with key advantages including long-distance data transmission and low cost. However, this interface has drawbacks such as low data transmission speed and a limitation on the number of devices that can be connected in a single line.
Ethernet
The Ethernet interface offers high data transmission speeds and the ability to connect a large number of devices. Among the disadvantages is the limitation on transmission distance, which can be overcome by using signal amplifiers.
Modules
Interface
Speed
Distance
Supported protocols
Mx110
RS-485
Up to 115 200 bit/s
Up to 1200 m
Modbus RTU, ASCII
Mx210
Ethernet
Up to 100 Mbit/s
Up to 100 m
Modbus TCP, MQTT, SNMP
Ensure that your PLC supports the selected communication protocol.
2. Determine the type of input/output
Based on the characteristics and requirements of field level devices (sensors and actuators), select the type of inputs or outputs.
Analog input
MV110-24.2A
MV110-24.8A
MV110-24.8AS
MV210-101
Signal type
RTD*, TC**, 0-5 mA, 0(4)-20 mA, 0-1 V,
±50 mV, ±1 V, 25...900(2000) Ohm, switch contacts
0(4)-20 mA, 0-5 mA,
0-10 V
RTD*, TC**, 0-5 mA, 0(4)-20 mA, 0-1 V,
±50 mV, ±1 V,
0...(2)5 kOhm
Number of channels
2-ch, 8-ch
8-ch
8-ch
Update rate per channel
up to 1.6 Hz
up to 200 Hz
up to 1.6 Hz
Resolution/Accuracy
16-bit / ±0.25 %
10-bit / ±0.25 %
16-bit / ±0.25 %
RTD wiring
TC wiring
Voltage signal wiring (-50 ... + 50 mV and -1 ... 1 V)
Current sensor wiring (2-wire)
Current sensor wiring (3-wire)
Resistance sensor wiring (3-wire)
Switch contact wiring
* Resistance Temperature Detector
** Thermocouple
*** Useful information: I/O MODULES WITH UNIVERSAL ANALOG INPUTS OR TEMPERATURE TRANSMITTERS – WHAT TO CHOOSE?
Analog output
MV210-502
MU110-24.6U
MU110-24.8I
Signal type
0-10 V, 0(4)-20 mA
0-10 V
0(4)-20 mA
Number of channels
8-ch
6-ch
8-ch
Update rate per channel
up to 11.1 Hz
up to 5 Hz
up to 11.1 Hz
Load resistance
0-10 V: ≥ 1 kOhm
0-20 mA: 400…600 Ohm
≥ 2 kOhm
0…1300 Ohm
Resolution/Accuracy
12-bit / ±0.5 %
12-bit / ±0.5 %
10-bit / ±0.5 %
Analog output wiring
Digital input
MV110-24.16DN
MV110-24.32DNMV210-202
MV210-212MV110-24.16D
MV210-204
MV210-214MV210-221
Number of channels
16-ch, 32-ch
20-ch, 32-ch
16-ch
20-ch, 32-ch
15-ch
Type of sensor
Switch contacts;
NPN & PNP type sensor
Dry contact;
NPN type sensor;
Dry contact;
NPN type sensor;
230 VAC signals
External power supply
Required, 24±3 VDC
Not required
Not required for dry contact
Operation mode
Logic level detection;
Pulse counter
Logic level detection;
Counting the number of high-frequency pulses (only 1 - 8 di);
Frequency measurement (1 - 8 di only);
Encoder signal processing
Logic level detection;
Pulse counter
For 230 VAC signals:
Detection of voltage in the network;
Diagnosis of phase loss in a three-phase network;
Phase sequence monitoring;
Voltage switch counter;
Recording the time of the last voltage on/off;
For "dry contact" & NPN type signals:
Logical level detection;
Pulse counting
Galvanic insulation
Group, 1500 V
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Group, 2200 V
Measuring frequency
Up to 1 kHz
Up to 100 kHz
Up to 1 kHz
Up to 400 Hz
Up to 400 Hz
Dry contact wiring
Contact sensor wiring
Contact sensor wiring
NPN sensor wiring
PNP sensor wiring
Single-phase circuits wiring
Three-phase circuits wiring
* Useful information: I/O MODULES WITH DISCRETE OUTPUTS FROM AKYTEC: RELAY, PNP, PUSH-PULL – WHAT TO CHOOSE?
Digital output
MU110-24.8R
MU110-24.16R
MU110-24.32R
MU110-24.8K
MU110-24.16K
MU210-401
MU210-402
MU210-403
MU210-412
Signal type
relays (NO)
NPN transistors
relays (NO)
Push-Pull
(DO1…8);
PNP transistors
(DO9…DO24)
Number of channels
8-ch, 16-ch, 32-ch
8-ch, 16-ch
8-ch, 16-ch, 32-ch
24-ch
Output type
3 A at 250 VAC or
3 A at 30 VDC
400 mA, 60 VDC
5 A at 250 VAC or
3 A at 30 VDC
400 mA, 36 VDC
(DO1…8);
150 mA, 36 VDC
(DO9…DO24)
Galvanic insulation
2300 V
1780 V
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Max output frequency
1 Hz
1 Hz
1 Hz
60 kHz
(DO1…8);
1 Hz
(DO9…DO24)
Output wiring in high-side switching mode
Output wiring in push-pull switching mode
NO relay wiring
Changeover relay wiring
NPN output wiring
Combined digital I/O modules
MK210-311
MK110-24.8D.4R
MK210-312
Number of channels
DI 6-ch
DO 8-ch
DI 8-ch
DO 4-ch
DI 12-ch
DO 4-ch
Digital inputs
Type of sensor
Dry contact;
NPN type sensor;
Dry contact;
NPN type sensor;
Switch contacts;
NPN & PNP type sensor
External power supply
Not required
Not required
Required, 24±3 VDC
Operation mode
Logic level detection;
Pulse counter
Logic level detection;
Pulse counter
Logic level detection;
Counting the number of high-frequency pulses (only 1 - 8 DI);
Frequency measurement (1 - 8 DI only);
Encoder signal processing
Galvanic insulation
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Measuring frequency
Up to 400 Hz
Up to 1 kHz
Up to 100 kHz
Digital outputs
Signal type
relays (NO)
relays (NO)
relays (NO)
Output type
5 A at 250 VAC or
3 A at 30 VDC
4 A at 250 VAC or 4 A at 24 VDC
5 A at 250 VAC or
3 A at 30 VDC
Galvanic insulation
1780 V
1800 V
1780 V
Max output frequency
1 Hz
1 Hz
1 Hz
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