EH-RIO

The EH-RIO series of Remote I/O modules allows you the flexibility to distribute I/O throughout your application. Using EH-RIO, you can precisely plan and expand your I/O and locate them right where they are needed: close to the sensors and activators. This solution benefits today's modular production processes and is especially advantageous when upgrading centralized automation systems.

  • Fieldbus adapters for Profibus-DP and DeviceNet (others coming soon)
  • Separation of electronics module and wiring base for ease of installation and maintenance
  • "Hot Swapping": remove and exchange modules under power
  • Optional screw clamp or spring clamp terminations
  • Large selection of I/O modules
  • Super slim design: 4 I/O = 12 mm
  • Standard DIN rail mounting

Fieldbus Modules

Model Technical Details
RIO-DNA DeviceNet Adapter,
63 modules, 500k bps (100m max.)
RIO-DNP DeviceNet Interface,
12 modules, 500k bps (100m max.)
RIO-PBA Profibus-DP Adapter ,
63 modules, 9.6k - 12M bps

Input Modules

Model Technical Details
RIO-XDP2
RIO-XD2 		2 Digital Inputs, 24Vdc,
Positive / Negative Logic
RIO-XDP4
RIO-XD4 		4 Digital Inputs, 24Vdc,
Positive / Negative Logic
RIO-XDP8 8 Digital Inputs, 24Vdc,
Positive Logic
RIO-XAH2 2 Digital Inputs, 220Vac
RIO-AX2I 2 Analogue Inputs, 0/4-20mA
16 bit - over 21mA, 0.32µA/cnt
RIO-AX2V 2 Analogue Inputs, 0-10Vdc,
16 bit signed, 320µV/cnt
RIO-PT2 2 PT100 Inputs
RIO-TC2 2 Thermocouple Inputs
(Must use RIO-BSCT Mounting Base)

Output Modules

Model Technical Details
RIO-YTP2 2 Digital Outputs, 24Vdc,
Positive Logic, Short Circuit Protected
RIO-YTP4 4 Digital Outputs, 24Vdc,
Positive Logic, Short Circuit Protected
RIO-YTP8 8 Digital Outputs, 24Vdc,
Positive Logic, Short Circuit Protected
RIO-YS2 2 Digital Outputs, 120/220Vac
RIO-AY2I 2 Analogue Outputs, 0/4-20mA,
13 bit - over 21mA, 513µA/cnt
RIO-AY2V 2 Analogue Outputs, 0-10Vdc,
14 bit signed, 1.28mV/cnt
RIO-YR2 2 Relay Outputs, Volt-Free Contacts,
10Vdc minimum, 24Vdc nominal
28.8Vdc maximum
RIO-YR4 2 Relay Outputs, Volt-Free Contacts,
10Vdc minimum, 24Vdc nominal
28.8Vdc maximum

High Function Modules

Model Technical Details
RIO-CU24 High Speed Counter Module for
24Vdc Encoder with Outputs
RIO-CU5 High Speed Counter Module for
5Vdc Encoder with Outputs
RIO-CU24L High Speed Counter Module for
24Vdc Encoder without Outputs
RIO-CU5L High Speed Counter Module for
5Vdc Encoder without Outputs
RIO-RS232 Serial Communication Module,
1.2k - 38.4k Baud Rate

Mounting Base

Model Technical Details
RIO-BSP
RIO-BSP3 		Mounting Base with Removable Terminal Block and
Spring Clamp Terminations / 3-wire Connection
RIO-BSC
RIO-BSC3 		Mounting Base with Removable Terminal Block and
Screw Clamp Terminations / 3-wire Connection
RIO-BSCT Mounting Base with Integrated Cold-Junction-
Compensation (for RIO-TC2)

Power Supply Modules

Model Technical Details
RIO-PS Field Power Supply for Various Potentials
(5-250Vdc and/or 24-240Vac)
RIO-PSD Expansion Power Supply for 12 I/O Modules
Maximum, 24Vdc Nominal


EH-RIO Brochure (436kb)
EH-RIO Technical Guide Book (3.53Mb)

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