Ametek Sorensen Asterion DC ASM, Руководство по программированию

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Asterion DC Multioutput Series
Programming Manual
8-42
M330517-01 Rev C
SOUR<n>:CURR:PROG:SOUR CURR
Note:
The
Data format “
<n>
“represents the Channel Number (1, 2 and 3).
8.3.1.1
R
EMOTE
C
URRENT
P
ROGRAMMING BY
R
ESISTANCE
Analog Reference source is selected as Resistance and programming mode of output
current as external by sending following SCPI commands:
SOUR<n>:ANALOG:PROG:SOUR CURR
SOUR<n>:CURR:PROG EXT
The resistance-programming default coefficient for output current is Channel current rating
(100% rated output
current) / 5kΩ, with input at Pin 5 (IPRG_ISOUR) and return to Pin 3
(RTN_PRG). Refer to Figure 8-3. An internal current source, factory-set at 1 mA, from Pin
5 is utilized to drive the resistance. This produces a transfer function for output current, as
follows:
Iout = R * (
(100% rated output current) / 5kΩ), with R in kohms.
Full Scale current programming resistance can be modified from default 5kOhms to any
other value (from 5k
Ω to 10kΩ).
For example, To set 10k
Ω as full scale for Current programming send below command.
SOUR<n>:CURR:PROG:FSCR 10
Then the transfer function for output current, as follows:
Iout = R * (
(100% rated output current) / FSC kΩ), with R in kohms.
If multiple switches or relays are used to select resistors to program different current
levels, make-before-break contacts are recommended.
Figure 8-3: Remote Current Programming Using Resistance
8.3.1.2
R
EMOTE
V
OLTAGE
P
ROGRAMMING BY
R
ESISTANCE
Analog Reference source is selected as Resistance and programming mode of output
Voltage as external by sending following SCPI command.
SOUR<n>:ANALOG:PROG:SOUR CURR
SOUR<n>:VOLT:PROG EXT