Specifications of Ace PLCs

 
Power
  Voltage 4.75 – 5.5 VDC via a two position pluggable connector or USB port
  Current 300 mA maximum. < 100 mA typical
Digital Inputs
  Type DC voltage input
  Input range 3 to 30 VDC
  Internal pull down to ground 10 Kohms
  Input low (or 0) signal 0 to 0.8V, or open connection
  Input high (or 1) signal 2.5 to 30VDC
  Pulse counter input frequency up to 100 KHz (typical)
    up to 250 KHz (maximum)
  Program selectable debounce 0 to 255 milliseconds
Digital Outputs
  Type Sinking transistor
  Voltage range 3 to 30VDC
  Current 300 mA maximum
  Motion output pulse frequency 0 to 250 KHz (maximum)
  PWM resolution 1 microsecond
  Off state pull up resistance to VO 33 Kohms
Analog Inputs
  Type Ace v5 = 0 to 5 VDC
    Ace v10 = 0 to 10 VDC
    Ace c = 0 to 20 mA
  Resolution 12 bit
Analog Outputs
  Types selectable ; 0-5 V, 0-10 V
  Resolution 16 bit
Thermocouple / Differential Voltage Inputs
  Types  selectable ; J, K, T and N or –
     +/- 0.256V, +/- 0.512V, +/- 1.024V, +/- 2.048V, +/- 4.096V, +/- 6.144V
  Output value floating point value in degrees C or V
Communications
  USB Device – mini USB connector Programming, Power Supply and Modbus Slave
  RS232 3 wire (TX, RX and ground). Modbus Slave
  RS485 2 wire. Modbus Slave
  baud rates / parity / stop bits Baud rate selectable. 9600 bds to 115000 kbs.
Physical Dimensions
  63.5 * 63.5 * 12.7 mm  
Environmental
  Operating temperature -40 to +85C
  Humidity 0 to 95% non-condensing
Software Specifications : Application Program Limits
  Program Memory 34 K Word
  Maximum rungs or function blocks 4 K
  Maximum # Subroutines 68
  Maximum Tagnames 950
  Main Program data memory Bits 2,048
unsigned 8 bit integers 512
unsigned 16 bit integers 512
signed 16 bit integers 512
signed 32 bit integers 256
floating point numbers 256
  Object Memory object words 4,096
object bits up to 65,536
object 8 Off integers up to 8,192
object signed 16 bit up to 4,096
object unsigned 16 bit up to 4,096
object signed 32 bit up to 2,048
object floating point up to 2,048
  Maximum # objects 292
  Maximum # PWM outputs all digital outputs
  Maximum # of Stepper Motion Controls 3
  Maximum Stepper Motion speed 250 KHz
Terminal Block Connections
  Terminal type Socket connectors and Spring cage capture plug
  Terminal spacing 2.50 mm
  Wire section 0.10 – 0.50 mm2