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RS 485 Modbus I/O Server, 24Vdc 12DI, 8DO, Modbus/TCP, SNMP, Active I/O Messaging

MOXA Major Lines
Mfg Part Number:  ioLogik R2110  
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Price: $312.99 + Free Shipping
In Stock: 3
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Linking Input and Output Signals over RS-485
The ioLogik R2000 series was designed for system integrators to acquire and control remote digital and analog devices over RS-485. Types of digital on/off devices include proximity switches, mechanical switches, push buttons, optical sensors, LEDs, and light switches. Types of analog devices include pH, conductivity, temperature, humidity, pressure, flow, actuator, and valves.The ioLogik R2000 series of servers can work with the standard Modbus protocol. SCADA software or the MXIO DLL library may be used to access the server.

Full Range of DI/O and AI/O Models
RS-485 is the most popular wiring standard for many industries. Now, Moxa offers a high quality line of remote I/O server with the RS-485 interface and upgraded functions.

  • Multi-functional digital I/O with DI/Event Counter and DO/Pulse Output modes
  • Multi-function analog I/O with mA/mV/Voltage modes
  • Over-current and over-voltage protection
  • PLC-grade I/O design that ensures accuracy and reliability during field operation
  • Remote management of firmware upgrades over RS-485 network

Independent Configuration of Multi-Functional DI/DO and AI/AO Channels
Each input signal can be independently configured, with DI/Event Counter modes available for digital inputs and voltage/current modes available for analog inputs. Each digital output can be independently configured for DO or Pulse Output mode. The analog input channels support various signals ranging from +/-150 mV to +/-10V at 16-bit resolution. The analog output channels support 0 to 20 mA and 4 to 20 mA @ 12-bit resolution.

12-point 24 VDC digital input with DI/Event Counter mode, software selectable filtering time
8-point 24 VDC digital output with Pulse Output mode,software selectable pulse width
Over temperature protection (up to 170°C)
Over-current protection (750 mA/channel)
Easy-to-use, quick programming lib for VB, VC++, BCB
Easy firmware upgrade over RS-485

RS-485 (2-wire): Data+, Data-, GND
Serial Line Protection
15 KV ESD for all signals
Serial Communication Parameters
Data bits
Stop bits
Flow control
1200 bps to 115200 bps
Power Requirements
Power input
24 VDC nominal, 12 to 48 VDC
Power consumption
195 mA @ 24 VDC (typ.)
Field power
24 VDC nominal, up to 36 VDC
Mechanical Specifications
I/O cable max. 14 AWG
Operating temperature
-10 to 60°C (14 to 140°F), 5 to 95% RH
Storage temperature
-40 to 85°C (-40 to 185°F), 5 to 95%RH
Digital Input
12, source type
I/O Mode
DI or Event Counter (up to 50 Hz)
Dry Contact
Logic 0: short to GND, Logic 1: open
Wet Contact
Logic 0: 0 to 3 VDC, Logic 1: 10 to 30 VDC (DI COM to DI)
Common type
12 points / 1 COM
Digital Output
8, sink type
I/O Mode
DO or Pulse output (up to 50 KHz)
On-state voltage
24 VDC nominal
Output current rating
Max. 200 mA per channel
Optical isolation
Over temperature shutdown: Min. 170°C
Over current limit: typ. 750 mA/channel
Agency Approvals
FCC Part 15, CISPR (EN55022) Class B
IEC61000-4-2 (ESD), level 2/3
IEC61000-4-3 (RS), level 2
IEC61000-4-4 (EFT), level 2
IEC61000-4-5 (Surge), level 3
IEC61000-4-6 (CS), level 2
IEC61000-4-8 (PM), level 1
IEC61000-4-11 (Dip)
UL 508
2 years


Power Requirements
Power Consumption 177 mA @ 24 VDC
Power Input 24 VDC nominal, 12 to 48 VDC
Serial Communication Parameters
Flow Control None
Protocol Modbus/RTU
Data Bits 8
Parity None
Stop Bits 1
Baudrate 1200 to 115200 bps
Inputs and Outputs
Digital Inputs 12 channels
Digital Outputs 8 channels
Digital Input
Isolation 3K VDC or 2K Vrms
Common Type 12 points per COM
Dry Contact • On: short to GND • Off: open
Wet Contact • On: 0 to 3 VDC • Off: 10 to 30 VDC
Counter Frequency 50 Hz
I/O Mode DI or Event Counter
Environmental Limits
Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
MTBF (mean time between failures)
Time 197,972 hrs
Database Telcordia (Bellcore)
Physical Characteristics
Weight 200 g
Dimensions 115 x 79 x 45.6 mm (4.53 x 3.11 x 1.80 in)
Wiring I/O cable max. 14 AWG
Standards and Certifications
EMI FCC Part 15 Subpart B Class A, EN 55022 Class A
Safety UL 508
Shock IEC 60068-2-27
Vibration IEC 60068-2-6
EMS IEC 61000-4, IEC 61000-6
Freefall IEC 60068-2-32
Digital Output
Type Sink
Isolation 3K VDC or 2K Vrms
Pulse Output Frequency 50 Hz
Current Rating 200 mA per channel
I/O Mode DO or Pulse Output
Serial Communication
Interface RS-485-2w: Data+, Data-, GND
Serial Line Protection 15 KV ESD for all signals
Warranty Period 5 years
Details See

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