5200A Emulation; Local-To-Remote Transitions; Voltage And Frequency Ranges - Fluke 5700A Series II Operator's Manual

5700A/5720A Series II
Operators Manual

5-64. 5200A Emulation

Due to hardware differences between the 5200A and the 5700A/5720A Series II, there
are some differences in characteristics, most notably the calibrator's behavior at certain
voltage and frequency levels. All differences are described in this section.

5-65. Local-to-Remote Transitions

The 5700A/5720A Series II automatically changes its operating mode to remote control
by responding to the IEEE-488.1 standard, which is in effect as soon as the calibrator
receives remote programming commands. There are no hard switches to change when
switching modes, as there are on the 5200A. Once in remote control during 5200A
emulation, the following menu appears on the 5700A/5720A Series II's display:
To return to local operating mode, either send the remote programming command or
press the softkey under "Go To Local Control." This procedure is a change from the
5200A, which returns to local operation when the hard switch is changed back to the
position that initiates local operation. The configuration of the other hard switches on the
5200A's front panel determine the output's configuration when the 5200A returns to
local operating mode and, if it's necessary, the 5200A's output changes to match the hard
switches. When the 5700A/5720A Series II returns to local control it does not change its
output.
For more information on remote to local transitions, see "Remote to Local State
Transitions" earlier in this chapter.

5-66. Voltage and Frequency Ranges

The 5700A/5720A Series II voltage and frequency sourcing capabilities should be taken
into account during 5200A emulation mode, since there are differences from the 5200A
that may have an effect on programs that were written for the 5200A. Before you run
your 5200A programs on the 5700A/5720A Series II be sure you review the differences
described below so that you can modify your programs if necessary and ensure a trouble-
free transition to the 5700A/5720A Series II.
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Voltage Limits
Unlike the 5200A, the 5700A/5720A Series II cannot source voltages between
100 µV and 220 µV. Furthermore, the 5700A/5720A Series II resets to
220 µV @ 1 kHz when commanded to do so with a 5200A reset command. Voltages
below 220 µV will generate an error message on the 5700A/5720A Series II.
The 5700A/5720A Series II does not require a boost amplifier for sourcing voltages
between 120V and 1100V, as the 5200A does. If the Operate command is received
while in this voltage range, the 5700A/5720A Series II follows the command and
enters operating mode, whereas the 5200A remains in standby.
Voltage Range Boundaries