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Kepco Power Solutions
718-461-7000
  • 1000V maximum between digital input and analog output.
  • There are two channels: Channel A and Channel B. Channels "A" and "B" share a single common.
  • The SN 488-B and SN 488-D provide a means of controlling positive or negative polarity. This feature is useful when the programmer controls a bipolar power supply like the Kepco BOP Series.
  • The SN 488-B and SN 488-D provide a means of controlling range over a 10:1 ratio. This is accomplished by a programmable attenuator. The "high" range provides a 0 to ±10V analog output; the "low" range provides a 0 to ±1V analog output.
  • The data code used is ASCII. The data format is hexadecimal for the Model SN 488-B and decimal (3-digit BCD) for the Model SN 488-D.
  • 3 digit BCD (decimal). Resolution is 1 part in 999 (0.1%). 12 bit binary (hexadecimal) has a resolution of 1 part in 4095 (0.024%).
  • Data Syntax: N = C AAA BBB (9 ASCII encoded characters). To "talk" to a power supply you should transmit a nine character set with the syntax: Control character truth table
    • N = C AAA BBB
    • N is the address of the particular program card to which you wish to "talk" (there are eight possible addresses from 0 to 7).
    • "=" is the ASCII character, that separates the card address from data.
    • C is the control character: 0,1,2, . . . .,F (See Truth Table).
    • AAA is data as a percent of full scale (Channel A).
    • BBB is data as a percent of full scale (Channel B).
Note: The maximum output of the binary models is FFF (Hex). The maximum output of the BCD models is 999. In both instances "maximum" corresponds to an analog programming voltage of ±10V or ±1V (depending on the range and polarity selected).

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KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A.
TEL (718) 461-7000 FAX (718) 767-1102
www.kepcopower.com email: hq@kepcopower.com