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Modbus RTU (RS-485)

Modbus RS-485 input and output modules

In this part of our store you will find industrial I/O modules with Modbus communication protocol and RS-485 interface, used to extend existing systems with additional resources of digital or analog inputs / outputs. Extension modules are most often used in control systems in which the central units are PLC or industrial computers, therefore the RS485 interface and the Modbus RTU protocol are used for communication.

Learn more about Modbus RS-485 I/O modules

Our I/O modules are devices that communicate with the most popular PLC devices and devices that support the MODBUS MASTER protocol. In addition, they have (depending on the model) digital or analog inputs and convenient wire connectors.

For your convenience, we have divided the input and output modules into three basic categories depending on the type of inputs and outputs they support and having a temperature input. Thanks to this division, your purchases will be easier and you will find faster the Modbus RS-485 module that interests you.

MOD-8TR MOD-8TR
2-3 days
Brand: Aspar Model: MOD-8TR
Industrial expansion module, 8 triac outputs with maximum current up to 0.5A per channel and 400V to Modbus RTU with RS485 interface. Features:OUTPUT: 8 triac outputs with maximum current up to 0.5A per channel and 400VINPUT: RS485 - Modbus Slave (ASCII, RTU)Default (configurable) output states when..
553,73 zł
tM-C8 CR tM-C8 CR
2-3 weeks
Brand: ICPDAS Model: tM-C8 CR
8-channel Isolated Digital Output Module.The tM-C8 provides 8 channels for digital output, each of which features photocouple isolation. The tM-C8 supports sink-type output with short circuit protection and there are options for configuring power-on and safe digital output values. 4 kV ESD protectio..
577,80 zł
tM-P4A4 CR tM-P4A4 CR
2-3 weeks
Brand: ICPDAS Model: tM-P4A4 CR
4-channel Isolated Digital Input and 4-channel Source-type Isolated Digital Output Module.The tM-P4A4 provides 4 channels for digital input and 4 channels for digital output, each of which features photocouple isolation. The tM-P4A4 supports source-type output with short circuit protection, while in..
577,80 zł
tM-P4C4 CR tM-P4C4 CR
2-3 weeks
Brand: ICPDAS Model: tM-P4C4 CR
4-channel Isolated Digital Input and 4-channel Isolated Digital Output Module.The tM-P4C4 provides 4 channels for digital input and 4 channels for digital output, each of which features photocouple isolation. The tM-P4C4 supports sink-type output with short circuit protection, while input is source-..
577,80 zł
tM-P8 CR tM-P8 CR
2-3 weeks
Brand: ICPDAS Model: tM-P8 CR
8-channel Isolated Digital Input Module.The tM-P8 offers 8 channels for digital input, each of which features photocouple isolation. In addition input can be either sink- or source-type using wire connections and all channels can be used as 16-bit counters. 4 kV ESD protection and 3750 VDC intra-mod..
577,80 zł
MOD-16I-M MOD-16I-M
2-3 days
Brand: Aspar Model: MOD-16I-M
Industrial expansion module with FRAM memory, 16 digital inputs to Modbus RTU, with RS485 interface. Features:INPUT: 16 digital inputs with memoryOUTPUT: RS485 - Modbus Slave (ASCII, RTU)FRAM - non-volatile random-access memoryMounting on a DIN rail16 configurable 32-bit countersCounter modes: pulse..
601,88 zł
M-7052 CR M-7052 CR
2-3 weeks
Brand: ICPDAS Model: M-7052 CR
8-channel Isolated Digital Input Module using the DCON and Modbus Protocols. The I-7052 offers 6 fully independent channels and 2 common ground channels for digital input. The diffential inputs feature channel-to-isolation. In addition, you can choose either sink- or source-type input via wire conne..
621,14 zł
M-7050 CR M-7050 CR
2-3 weeks
Brand: ICPDAS Model: M-7050 CR
7-channel Non-isolated Digital Input and 8-channel Non-isolated Digital Output Module using the DCON and Modbus Protocols. The I-7050 series of modules offers channels for digital input and 8 channels for digital output, each of which are non-isolated. The I-7050 supports sink-type output using an N..
650,03 zł
tM-AD2 CR tM-AD2 CR
2-3 weeks
Brand: ICPDAS Model: tM-AD2 CR
2-channel Isolated Analog Input Module with High Voltage Protection. The tM-AD2 is an analog input module that includes 2 single-ended analog input channels and provides a programmable input range on all analog inputs (0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 5 V, 0 ~ 10 V, 0 ~ 20 mA, 4 ~ 20 mA). It prov..
650,03 zł
M-7041 CR M-7041 CR
2-3 weeks
Brand: ICPDAS Model: M-7041 CR
14-channel Isolated Digital Input Module with DCON and Modbus Protocols.The I-7041 and I-7041P provide 14 channels for digital input, each of which features photocouple isolation. In addition, either sink- or source-type digital input can be selected via wire connections, and all channels are able t..
659,66 zł
M-7041-A5 CR M-7041-A5 CR
2-3 weeks
Brand: ICPDAS Model: M-7041-A5 CR
14-channel High Voltage Isolated Digital Input Module with DCON and Modbus Protocols.The M-7041(D)-A5 provides 14 channels for high voltage digital input, each of which features photocouple isolation. The input voltage level could be as high as 150V. In addition, either sink- or source-type digital ..
659,66 zł
M-7043 CR M-7043 CR
2-3 weeks
Brand: ICPDAS Model: M-7043 CR
16-channel Non-isolated Digital Output Module using the DCON and Modbus Protocols. The I-7043 offers 16 digital output channels, each of which are non-isolated and support sink-type output using an open collector. There are also options to enable both power-on and safe values. The I-7043D has 16 LED..
659,66 zł
M-7046 CR M-7046 CR
2-3 weeks
Brand: ICPDAS Model: M-7046 CR
15-channel Isolated Digital Input Module using the DCON or Modbus Protocol. The M-7046 is a 15-channel Digital Input module. Each channel features optoisolation and can be used as a 16-bit counter. In addition, the Digital Input type can be selected as either sink or source via wire connections. The..
659,66 zł
M-7052D CR M-7052D CR
2-3 weeks
Brand: ICPDAS Model: M-7052D-G CR
8-channel Isolated Digital Input Module using the DCON and Modbus Protocols with LED display. The I-7052 offers 6 fully independent channels and 2 common ground channels for digital input. The diffential inputs feature channel-to-isolation. In addition, you can choose either sink- or source-type inp..
659,66 zł
M-7053 CR M-7053 CR
2-3 weeks
Brand: ICPDAS Model: M-7053-G CR
16-channel Non-isolated Digital Input Module using the DCON and Modbus Protocols. The I-7053_FG features a long effective distance measurement for dry contact digital input of up to 500 meters. The I-7053_FG supports source-type input. All 16 channels are also able to be used as 16-bit counters, eac..
659,66 zł
M-7067 CR M-7067 CR
2-3 weeks
Brand: ICPDAS Model: M-7067 CR
7-channel Signal Relay Output Module with DCON and Modbus Protocols. The 7061 series provides 12 power relay output channels and the 7067 series provides 7 signal relay output channels. There are options for configuring power-on and safe values. 4 kV ESD protection and 3750 VDC intra-module isolatio..
659,66 zł
SDM-16I SDM-16I
2-3 days
Brand: Aspar Model: SDM-16I
Industrial expansion module, 16 digital inputs on Modbus RTU, with RS485 interface. Features:INPUT: 16 digital inputsOUTPUT: Interface: RS485 - Modbus (ASCII, RTU)Mount: DIN rail16 configurable 32-bit countersCounter modes: pulse counter; timer; encoderInputs of PNP or NPN type depending on the conn..
659,66 zł
SDM-16O-PNP SDM-16O-PNP
2-3 days
Brand: Aspar Model: SDM-16O-PNP
Industrial expansion module, 16 PNP digital outputs on Modbus RTU, with RS485 interface. Features:OUTPUT: 16 digital outputs PNPINPUT: RS485 - Modbus Slave (ASCII, RTU)Mount: DIN railDefault (configurable) output states when power is turned onPNP type outputs with maximum current up to 0.5ABuilt-in ..
659,66 zł
SDM-6RO SDM-6RO
2-3 days
Brand: Aspar Model: SDM-6RO
Industrial expansion module, 6 relay outputs on Modbus RTU, with RS485 interface. Features:OUTPUT: 6 relay outputsINPUT: RS485 - Modbus Slave (ASCII, RTU)Mount: DIN railDefault (configurable) output states when power is turned onOutputs both NO and NC typeMaximum current 5A 250V ACMaximum current 10..
659,66 zł
SDM-8I8O SDM-8I8O
In stock
Brand: Aspar Model: SDM-8I8O
Industrial 8-channel Input and 8-channel Digital Output Module to Modbus RTU, with RS485 interface. Features:INPUT / OUTPUT: 8 digital inputs, 8 PNP outputsOUTPUT / INPUT: RS485 - Modbus Slave (ASCII, RTU)Mount: DIN rail8 configurable 32-bit countersCounter modes: pulse counter; timer; encoderInputs..
659,66 zł
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