AX8

The AX-8 Analog Expander is an instrument that enables Powermeters to interface with other devices that require analog signals. The AX-8 can be connected to any Powermeter equipped with an RS-422 communication port and analog expander option. The AX-8 provides up to 8 analog outputs. Two units can be connected in sequence, providing as many as 16 analog outputs with use of one Powermeter. For information on analog output and analog expander setup and connections, refer to the Installation and Operation Manual of the specific Powermeter.

  • Versatility- The AX-8 can be connected to any power meter equipped with a RS-422 communication port and an analog expander option.
  • Outputs- The AX-8 provides up to 8 analog outputs. Two units can be connected in sequence, providing as many as 16 analog outputs with use of one Powermeter.
  • Accuracy- The AX-8 does not degrade the high measurement accuracy of the Powermeter, providing 8 bit resolution on each analog output. Output values on all channels are updated continuously at a rate which depends on the communication speed (baud rate).
  • Flexibility- The analog outputs are provided with current output options of 0-20 mA and 4-20 mA (current loop load of up to 500 Ohm), 0-1 mA and 1mA (current loop load of up to 10kOhm), and voltage output options of 0-10V DC and 10V DC. A wide range of output values are user-selectable from the Powermeter's front panel.
  • Easy installation- DIN rail or wall mounting. No auxiliary power supply is required; an internal switch power supply with a wide AC/DC range is provided.
  • Communications- The AX-8 is connected to the Power meter with a twisted pair cable via the RS-422 or RS-485 port, using ASCII, Modbus or DNP3.0 protocol. This allows for communications over a distance of upto 1000 meters at a baud rate of upto 19,200 bps. Installation of the AX-8 does not interfere with the inclusion of the Powermeter in a communication network of up to 31 Power meters.
  • Analog Output
    • A2   0 – 20 mA
    • A3   4 – 20 mA
    • A4   0 – 1 mA
    • A1   (-1) – (+1) mA
    • V1   0 – 10 V
    • V2   (-10) – (+10) V

 

  • Power Supply:
    • ACDC   95 - 250V AC and 70 - 230V DC
    • 1DC   9 - 18V DC
    • 2DC   18 - 36V DC
    • 3DC   36 - 72V DC

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