Martel Electronics IVC-222HPII - Manual (Page 6)

the voltage output mode. Therefore, only
one type of output, either voltage or current
can be simulated at one time.
6. The purpose of the RS-232 jack on the
IVC-222HPII is to allow data from the IVC-
222HPII to be transferred to a data
collection device such as a PC or a printer.
When connecting the IVC-222HPII to a
computer, the following specifications will
apply:
a. Baud Rate 2400
b. 8 data bits with 1 stop bit
c. No Parity
Other commands can be sent to the IVC-
222HPII from the computer to do all of the
functions such as range change, output
adjust, setpoint control, etc.
NOTE: A custom RS-232 cable from Martel
Electronics will be needed. The
part number is C232SJ and can be
ordered directly from Martel.
When connected to a computer, the IVC-
222HPII will begin to send data as soon as
the calibrator is turned on.
3. Operating Considerations
and Precautions
1. While operating in the voltage mode, the
calibrator’s output circuitry can sink or
source up to 1mA max. Loads greater than
1mA may cause the calibrator to drop out
of its accuracy specification. (See Figure 1)
When there is an excessive load, the word
“OVERLOAD” will appear intermittently on
the LCD readout. Long term short circuit
4