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The versatile and powerful ACE1000 will deliver the timely communications you need, without having to completely redesign your current system. In a new, compact package, the ACE1000 is the Remote Terminal Unit (RTU) that will facilitate higher reliability and interoperability at a lower cost. Its powerful processer combined with FLASH and RAM memory allows this RTU to be used in the most demanding SCADA environments. Easy to install and use with a web-based easy-programming tool, the ACE1000 Remote Terminal Unit (RTU) is great for starting a new SCADA system or adding to an existing one.

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Specification Sheet

ACE1000 Remote Terminal Unit Data Sheet

Physical Characteristics

  • I O expansion options

    I/O Bus, Digital Inputs, Analog Inputs

  • Dimensions

    6.3 in. / 160mm (H) x 2.95 in. / 75mm (W) X 4.4 in. / 112mm (D)

  • Weight

    450 grams (without expansions)

User Environment

  • Mechanical vibrations

    EIA/TIA 603 Base station, Sinusoidal 0.07mm @ 10 to 30 Hz, 0.035 mm @ 30-60 Hz

  • Operating altitude

    -400 meters to +4000 meters

  • Operating humidity

    5% to 95% RH @ 50 degrees Celcius

  • Operating temperature

    negative 40 Degrees celcius to positive 70 degrees celcius (excluding radios)

  • Storage temperature

    negative 55 degrees celcius to positive 85 degrees celcius (excluding radios)

CPU Module and Performance

  • Processor

    Sitara CPU (Cortext-A8)

  • Operating system


  • Memory

    FLASH 256 MB (32 MB for user), RAM 256 MB (16 MB for user)

  • Indicators

    LEDS 4*Main + 1*LAN + RS232 (tx, rx)

  • Backup battery

    Coin Rechargeable Batter (at least 20 days)

Communication Ports and Support

  • Ethernet ports

    On board: 10/100 Mb/sec

  • Modem support

    Cellular modem, leased line modem, data radio, broadband radio

  • Motorola radio support


  • Multi-drop

    MDLC over Serial

  • Protocols

    ModBus (Slave/Master over RS232/RS485 and Ethernet

  • Serial

    Main board: RS232 (115.2kbps)/RS485 (460 kbps), Half/Full Duplex with/without CD; Plug-In (Optional): Isolated 2 x RS232 (115.2 kbps)

  • Two-way radio

    Digital MOTOTRBO, Digital Trunked Astro, Tetra

  • Program transfer capability

    LTR Local (via direct connection) and FEP Remote

  • Firmware transfer capability

    LTR Local (via direct connection) and FEP Remote

  • Date and time accuracy


I O Support and Expansion

  • DO performances

    10 ms

  • Ranges:

    0-20mA, 4-20mA, 0-5V; Resolution: 16 Bit; Accuracy: 0.1% of full scale; User-configurable signal smoothing and 50/60 Hz filter

  • 8 and 16 analog input modules

    8 x AI Isolated, 0-20mA, 420mA or 0-5VDC, resolution:16bit, Accuracy = .1% of full scale, user configurable smoothing, user configurable

  • Wet inputs;

    Isolated (1500v relative to the CPU) ; De-bouncing filter: 10,20,30,40,50 mSec; Fast counter - 2KHz

  • 16 and 32 digital input modules

    12 x Wet DI Isolated, 8 x AI Isolated, Wet inputs, de-bouncing filter 10,20,30,40,50mS, fast counter 2KHz, Isolation to CPU: 1500V

  • ML form C ( SPDT) relays

  • Wet inputs; Isolated (1500v relative to the CPU); De-bouncing filter:10,20,30,40,50 mSec; Fast counter - 2KHz



  • 4 analog output module

    Ranges: 0-20mA , 4-20mA, 0-10V; Resolution: 12bit; Accuracy: 0.1% of full scale

  • 8 and 16 digital output relay modules

    8 x DO Relay 2.5a, 4 x ML Form C (SPDT), 4 x EE Form C (SPDT), DO Frequency: 10 Hz


  • Power supply options

    Disabled, Run Mode, Idle/Sleep Mode, Low-Power Sleep Mode (CPU is off)

  • AC

    100-240 VAC, 47-63 Hz

  • DC

    9-30 VDC

  • Plug in power supply

    5v, 7.5v, AUX 12v out

Regulatory Specifications

  • Safety standards

    UL 60950-1, CSA 22.2-60950-1, IEC 60950-1/EN60950, AS/NZS 60950

  • Emissions

    CFR 47 FCC part 15, subpart B (class A) EN55022:2003 Class A, EN61000-3-2, EN61000-3-3

  • Immunity

    IEC 61000-4-2, 
    IEC 61000-4-3, 
    IEC 61000-4-4, 
    IEC 61000-4-5, 
    IEC 61000-4-6, 
    IEC 61000-4-8, 
    IEC 61000-4-11

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