Eaton SMP IO-2230-A: RTU Replacement Solution Analog Input System

Catalog Data: CA912006EN

Effective Date: August 2020 (Supersedes February 2020)

Description

This document details the hardware layout and functionality of the Eaton SMP IO-2230-A system, which is built upon the SMP IO-2230 distributed I/O platform. It serves as a robust RTU replacement solution.

RTU Upgrade Solutions

Eaton offers cost-effective solutions for upgrading legacy RTUs, emphasizing cybersecurity. These solutions are based on the utility-hardened Eaton SMP family of substation automation products, including the SMP SG-42xx automation platform and the SMP IO-2230 distributed I/O unit. This hardware-agnostic replacement solution supports most legacy RTU configurations and is adaptable to various deployment scenarios (e.g., GE D20). It significantly reduces field installation time and service interruptions by utilizing existing field wiring.

SMP Gateway Automation Platform

Eaton's SMP Gateway automation platform models are substation-grade gateways with a proven history in data acquisition and distribution automation. They function as data concentrators, protocol converters, and integration solutions for secure IED remote access, recognized for their efficiency and reliability in distributed automation applications.

SMP IO-2230 Distributed I/O Platform

The SMP IO-2230 represents Eaton's next generation of substation-grade distributed I/O platforms, designed for modern industry and utility requirements. It integrates seamlessly with the SMP Manager and Tools application for configuration and maintenance, and with SMP Gateway automation platforms, simplifying setup and commissioning. The platform uses the template-driven configuration tool, SMP Config, and incorporates advanced cybersecurity features to meet compliance requirements, including NERC CIP (certified under UL 2900-2-2).

General Features

Hardware

Software

Protocols

Communication and Web Interface

Mapping

System

Cybersecurity

Benefits

With its robust and scalable design, Eaton's RTU upgrade solutions are flexible and adapt to evolving automation requirements.

Reliability

Scalability

Easy Integration

Productivity

System Architecture and I/O Features

The following I/O features are available for RTU upgrade solutions; I/O type availability depends on the specific model.

Analog Inputs

Binary Outputs

Binary Inputs

Available Models

Type Model Available I/Os
Rackmount (3U) SMP IO-2230-A 32 analog inputs: disconnect terminations
Rackmount (3U) SMP IO-2230-K 32 control outputs: disconnect terminations (K) or DB25 connectors (KR)
Rackmount (3U) SMP IO-2230-S 64 status and alarm inputs: disconnect terminations

The SMP IO-2230-A configuration is fixed at 32 analog inputs. The following features apply:

Front Panel

This section details the SMP IO-2230 system front panel components.

Figure 2 - The front panel of the SMP IO-2230-A unit

ID Name Description
1 Power LED Indicates the status of the system's internal power supply.
2 Watchdog timer status LED Indicates the status of the watchdog timer.
3 SYNC Clock synchronization LED. Indicates synchronization status when connected to an IRIG-B source.
4 RS-485 Built-in RS-485 serial port activity LED.
5 ENET1A, ENET1B Built-in Ethernet port activity LEDs. These ports function as Ethernet switches for daisy-chain connections, indicating speed and activity.
6 ST1 Status LED 1. Indicates the various steps of the system's startup sequence.
7 ST2 Local / Remote control operations mode status LED.
Meaning:
Off: Remote mode (normal operation).
Red (Blinking): Local mode (operations only local).
8 OUT1, OUT2 On-board relay status LEDs.
Meaning:
Off: Relay not energized.
Green: Relay energized.
9 TEST LED Multi-function button: Tests front panel LEDs (all light up when pressed). Toggles between local and remote mode (press and hold for 5 seconds). Forces boot into rescue mode (press and hold during first 5 seconds of boot-up).
10 Reset Button (pinhole) Requires a pin for activation to prevent accidental use.
11 CONSOLE Type-B USB 2.0 port for maintenance and configuration. Also used to access the system's web interface for monitoring and control.
12 I/O Status LEDs Indicates I/O activity/state for analog inputs 1 to 32.
13 Terminal blocks Connects up to 32 analog inputs (quick disconnect type). Supports three configurable modes: Current, Voltage, and Loop supply.
14 Label for terminations versus LED identification Identifies Terminal Block 1 (TB1) pin matching. Analog inputs are organized in eight groups of eight electrically isolated inputs with a common return for each group. Each input is photo-coupled.

Rear Panel

This section details the SMP IO-2230 system rear panel components.

Figure 3 - The rear panel of the SMP IO-2230-A unit

ID Name Description
1 Power supply terminal block Wiring terminals for power supply. Eaton recommends shielded cable (18-12 AWG). For ambient temperatures > 140°F (60°C), use a suitable rated cable. Recommended torque: 0.49 N*m (4.3 lbf*in).
2 ENET1A, ENET1B Built-in Ethernet connectors (switch). Available types: Shielded metallic RJ45 (standard) or Fiber-optic LC (option).
3 OUT1, OUT2 2 NO/NC Form C relays. The OUT1 relay's NC contact is pre-configured for system health monitoring. Relays are available for system applications and can be activated via a system data output point. The NC contact remains closed until the system starts, then opens if working properly. In case of failure (watchdog timer reset), the NC contact closes during restart. Eaton recommends shielded cable (28-14 AWG). Recommended torque: 0.25 N*m (2.2 lbf*in).
4 RS-485 serial port Terminal block for serial RS-485 communication (COM1). Supports 2-wire RS-485 (multidrop) up to 1200m (4000 ft.) and up to 32 devices. Supported baud rates: 300 to 115200 bps.
5 IRIG-B IN Terminal block for demodulated IRIG-B signal reception. Eaton recommends shielded cable (22-16 AWG). Recommended torque: 0.25 N*m (2.2 lbf*in).
6 System configuration An I/O configuration sticker is placed on the rear panel by Eaton.
7 Grounding screw Protective earth ground connection terminal. Eaton recommends 14-2 AWG wires.
8 Configuration module Identifies configuration module installation for Analog x input ports. Three modes: Voltage mode, Current mode, Current mode with external loop supply. The same module is used for current modes, installed in a different position.
9 Analog x ports (x = 1 to 32) Analog input ports for inserting configuration modules. A protective plexiglass normally covers this area. Conformal coating is available upon request.

Specifications

General Specifications

Details Specifications Additional Information
Dimensions Height: 5.52 in. (140 mm)
Width: 19 in. (482 mm)
Length: 9.75 in. (248 mm)
15 lb max (6.8 kg)
Warranty 10-year limited
Operating temperature -40°F to +185°F* (-40°C to 85°C) (Typical use) * Safety marking is based on temperature derating table
Storage temperature -40°F to +185°F (-40°C to 85°C)
Humidity 5 to 95%, non-condensing
Degrees of protection provided by enclosure IP30 (applicable on the SMP IO-2230 device only) IEC60529: 2013
MTBF Real MTBF (practical): > 100 years The MTBF value is obtained from the ratio of devices in operation over the actual number of failures observed on devices of the same SMP family.
Maximum altitude Up to 6561.7 feet (2000 meters)
Status LED display Power, Watchdog, Clock synchronization (SYNC), Build-in serial port (RS-485), Build-in Ethernet ports (ENET1A, ENET1B), Status (ST1, ST2), Relay state (OUT1, OUT2), I/Os activity/state (1-64)
Internal Battery Lifetime: > 20 years (Rechargeable lithium battery) Not serviceable
Battery autonomy > 20 days
Battery charging time < 24 hrs

Power Supply Specifications

Universal Power Supply

Note: The power cable is not shipped with the device and must be ordered separately or supplied by the customer. Refer to section Accessories and Cable options for details.

Specifications Details Additional Information
Rated supply voltage 100-240 VAC / 24-250 VDC
Input voltage range 88-264 VAC / 19.2 – 287.5 VDC
Frequency range 50/60 Hz
Inrush current 40A at 28 VDC (t<1 ms)
110A at 125 VDC (t<1 ms)
160A at 120 VAC (t<1 ms)
Power consumption 30W (max) 100-240 VAC, 0.6A
24-250 VDC, 1.25A
Dielectric 2000 Vrms
Terminal block power 4-pin Jumper MOV are installed at the factory on power supply's terminal block connectors (pin 1-2).
Wire size 12-30 AWG solid wire
12-30 AWG stranded wire
Wire screw max torque 4 lbf-in (0.44 N-m)
Internal fuses 2 x 3.15A TL fuses Not serviceable
Ground lug External ground lug on rear panel
Wire size 14-2 AWG
Protection 300 VAC/385 VDC, 60J Differential MOV Protection
300 VAC/385 VDC, 60J Common MOV Protection by external jumper placed on terminal block connectors (pin 1-2)
The SMP IO-2230 system requires MOV protection to be compliant with product standards. The SMP IO-2230 system is shipped with the MOV already installed on the power supply terminal block (pin 1-2).

Communication ports

Ethernet

Note: Both connectors of the built-in Ethernet ports are of the same type.

Ports Rear access Connector Type
2 ports 2 x 10/100/BASE-T/TX (standard)
2 x 100BASE-FX, up to 2 km (option)
RJ-45 connectors (standard)
LC connectors (option, Multimode 1300 nm)

Serial

Details Specifications Additional Information
2-wire RS-485 support (multidrop) Up to 1200m (4000 ft.)
32 devices and 115200 b/s
Protection Common mode TVS 40A 8.3 ms
Wire size 16-28 AWG
Wire screw max torque 2.2 lbf-in (0.25 N-m)

Auxiliary port

Port Type
USB USB 2.0 client (CONSOLE) Type B connector (front panel)

Time Synchronization

Demodulated IRIG-B

Input Details Isolation
Via terminal block (rear panel) 2V high-level detection
Vin max up to 12 VDC, Opto-isolated IEEE 1344, C37.118, B002, B003, B004, B006, B007
Accuracy: ± 100 µs
Isolated
Current sink at 5V IRIG-B: 5 mA
Current sink at 10V IRIG-B: 11 mA
Input impedance = 100Ω ± 10%
Protection Terminal block IRIG-B
Differential mode TVS Wire size: 16-28 AWG
Wire screw: Max torque 2.2 lbf-in (0.25 N-m)

Real-time clock (with battery backup)

Drift: < 3 sec/day at all temperature ranges when unit is running.
Drift: ± 10 sec/day at normal operating temperature range and ± 20 sec/day outside the operating temperature range, when unit is powered off.

Auxiliary Relays (Alarm Relays)

Description Details Protection
2 Form C relays Normally open and normally closed relay contacts (NO/NC).
1st relay pre-configured for system health monitoring.
Both relays available for system applications and can be activated through a system data point.
8 A 250 VAC / 24 VDC resistive
0.2A at 250 VDC resistive
2500 Vrms dielectric
300 VAC / 385 VDC, 60J MOV
Protection across contacts
Terminal block Auxiliary relays 6-pin connector 2 Form C contacts
Wire size 12-30 AWG solid wire
12-30 AWG stranded wire
Wire screw max torque 4 lbf-in (0.44 N-m)

CPU

Component Details
Processor architecture ARM
Operating system LINUX®
Processor ARM® Cortex® - A8 600 MHz
Memory 2 GBit NAND Flash
256 MB DDR3 RAM

Analog Inputs

Input Range Operation Mode Voltage Mode Current Mode
Voltage or current modes ± 10V ± 20 mA, ± 2 mA, ± 1 mA
Current mode requires an external resistor. The configuration module for current mode must be connected into the Analog x port at the rear of the device. See section Accessories and cables (page 19) for the part number.
Input impedance > 100 kΩ 499Ω
Resolution 10 kΩ ± 1 mA
Accuracy Voltage mode ± 0.02% of full scale @ 25°C Factory calibrated (25°C)
Current mode ± 0.05% of full scale @ 25°C With 0.01% external resistor
Accuracy variation ± 0.015% / °C of full scale @ 25°C Customer calibration possible (zero offset)
Isolation 1000 Vrms dielectric
Protection All AI to earth Note: Design to meet 1000 Vrms channel to channel
Common Mode Rejection DC (CMR) > 90 dB
Sampling rate 200 ms
Terminal Block Analog Inputs Wire size: 12-30 AWG solid wire
Wire screw: maximum torque 4 lbf-in (0.44 N-m)
External fuse for loop supply 1 x 2A TL fuse Serviceable (accessible on the front of the device)

Certifications and Compliancy Notes

The SMP IO-2230 platform, integrated into the chassis, is substation-grade and complies with several standards. Refer to the SMP IO-2230 platform Catalog Data (CA912004EN) for details. The chassis itself did not undergo tests for substation-grade compliancy.

Temperature Derating

Eaton provides a Microsoft Excel™ calculator tool to help customers calculate total power dissipation and operational maximum temperature based on specific SMP IO-2230-A configurations. The tool also assists in calculating resistor values for analog input current ranges. It can be downloaded from Eaton's website (Resources page for the SMP IO-2230 distributed I/O platform).

To comply with IEC 61010-1 certification, the SMP IO-2230-A can operate within a temperature range dependent on its total power dissipation. According to the standard, the unit supports operating temperatures between -40°C and +70°C.

Figure 4 - Temperature derating and power for a typical SMP IO-2230-A application

Description Configuration Power dissipation (W)
Main Supply Voltage SMPIO 48V
Ethernet Copper 1.15
IO Row [1-8] [9-16] 8BI 8HAI 0.65
IO Row [17-24] [25-32] 8BI 8HAI 1.33
IO Row [33-40] [41-48] 8BI 8HAI 1.33
IO Row [49-56] [57-64] 8BI 8HAI 1.33
SMP IO-2230 power (Watt) 7.12
Wetting voltage for input 48V
Maximum number of Binary Inputs available 32
Binary Input steady ON in same time 0 0
Maximum number of outputs available 0
Output steady ON in same time 0 0
Average Current per Output stay ON 0.00
Total power in device (Watt) 8.9
Operational maximum ambient temperature 70°C
Power Supply efficiency 1.25

Analog Input Current Range and Resistance Calculator

Figure 5 - Resistor calculation for a typical application

The calculator assists in determining resistor values for analog input current ranges and calculating power dissipation per input.

Figure 6 - Resistor calculation for a typical application

These tools help in configuring analog inputs accurately for specific current ranges and power requirements.

Dimension Drawings

The following are the top and side views for the SMP IO-2230-A. The dimensions are the same for all SMP IO-2230 systems (SMP IO-2230-K is shown).

Figure 7 - Front view

Front view dimensions: Width 19.000" (18.450" chassis), Height 5.220", Depth 9.625".

Figure 8 - Side view

Side view dimensions: Height 2.125", Depth 7.500".

Ordering Information

The packing slip includes an SMP IO-2230-A system number based on a configuration chart. This chart provides information to verify the received product's features.

Key configuration options include:

Note: The specific configuration is determined by the combination of these codes.

Accessories and Cables

Accessories

Part number Description
SMP-AIM-V001 (Set of 32)Analog Input Module: Voltage Input Adaptor
SMP-AIM-V001 (Set of 16)Analog Input Module: Voltage Input Adaptor
SMP-AIM-C001 (Set of 32)Analog Input Module: Current Input Adaptor - 1mA / 10V
SMP-AIM-C001 (Set of 16)Analog Input Module: Current Input Adaptor - 1mA / 10V
SMP-AIM-C002 (Set of 32)Analog Input Module: Current Input Adaptor - 2mA / 10V
SMP-AIM-C002 (Set of 16)Analog Input Module: Current Input Adaptor - 2mA / 10V
SMP-AIM-C003 (Set of 32)Analog Input Module: Current Input Adaptor - 20mA / 10V
SMP-AIM-C003 (Set of 16)Analog Input Module: Current Input Adaptor - 20mA / 10V
SMP-PSU-2001External Wetting Power supply: IN: 48VDC; OUT: 24 VDC
SMP-PSU-2002External Wetting Power supply: IN: Univ. 125V; OUT: 24 VDC

Cables

Shielded Power Cable

Part numberDescription
P-CABC-0303-00AC Power Cable Shielded Nema 5-15-Wire (Important: Must be used for Demo or laboratory only)
P-CABC-0306-00Power Cable Shielded Wire-Wire 1.8m
P-CABC-0318-10Power Cable Shielded Wire-Wire 10m
P-CABC-0318-03Power Cable Shielded Wire-Wire 3m
P-CABC-0318-01Power Cable Shielded Wire-Wire 1m
P-CABC-0318-xxPower Cable Shielded Wire-Wire xm

USB cable

Part numberDescription
600AB0008RReplacement USB Cable, Shielded (Note: For USB Console Port)

Ethernet Multimode Fiber

Part numberDescription
P-CABC-0315-0050Multimode Fiber OM1 62.5/125um LC-LC 50m
P-CABC-0315-0025Multimode Fiber OM1 62.5/125um LC-LC 25m
P-CABC-0315-0010Multimode Fiber OM1 62.5/125um LC-LC 10m
P-CABC-0315-0003Multimode Fiber OM1 62.5/125um LC-LC 3m
P-CABC-0315-0001Multimode Fiber OM1 62.5/125um LC-LC 1m
P-CABC-0315-xxxxMultimode Fiber OM1 62.5/125um LC-LC xm

Ethernet RJ45 Shielded cable

Part numberDescription
P-CABC-0310-025Copper Ethernet Cable RJ45 CAT6 25m
P-CABC-0310-010Copper Ethernet Cable RJ45 CAT6 10m
P-CABC-0310-03Copper Ethernet Cable RJ45 CAT6 3m
P-CABC-0310-01Copper Ethernet Cable RJ45 CAT6 1m
P-CABC-0310-xxxCopper Ethernet Cable RJ45 CAT6 xm

DB9 Serial Shielded Cable

Part numberDescription
P-CABC-0309-0010RS485 2-wires Serial Cable DB9M to Wire 10m
P-CABC-0309-0003RS485 2-wires Serial Cable DB9M to Wire 3m
P-CABC-0309-0001RS485 2-wires Serial Cable DB9M to Wire 1m
P-CABC-0309-xxxxRS485 2-wires Serial Cable DB9M to Wire xm

Time Synchronization Shielded Cable

Part numberDescription
P-CABC-0320-254 Twisted Pairs Cable Wire-Wire 25 m
P-CABC-0320-104 Twisted Pairs Cable Wire-Wire 10 m
P-CABC-0320-034 Twisted Pairs Cable Wire-Wire 3 m
P-CABC-0320-014 Twisted Pairs Cable Wire-Wire 1 m
P-CABC-0320-xx4 Twisted Pairs Cable Wire-Wire xm

Some cables can be provided with custom lengths. Contact Eaton for other cable requirements.

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