ESC-2/FP Manual
3. The (PROMPT) response is defined as: <LF><CR> > or HEX A, D, & 3E
ESC-2 Serial Remote Commands
Instruction Function Response
! (NO <CR>) ATTENTION (PROMPT)
SVxxxx SET OUTPUT VOLTAGE
(1)
(PROMPT)
SIxxx SET CURRENT LIMIT
(2)
(PROMPT)
D+ ENABLE AUTO DISCHARGE (PROMPT)
D- DISABLE AUTO DISCHARGE (PROMPT)
V+ ENABLE AUTO VOLTAGE REVERSAL (PROMPT)
V- DISABLE AUTO VOLTAGE REVERSAL (PROMPT)
EV ENABLE VOLTAGE (PROMPT)
DV DISABLE VOLTAGE (PROMPT)
P+x.x SET UPRAMP TIME
(3)
(PROMPT)
P-x.x SET DOWNRAMP TIME
(4)
(PROMPT)
RV READ VOLTAGE xxxx (PROMPT)
RB READ CENTER TAP VOLTAGE xSPxxx (PROMPT)
R+ READ POSITIVE CURRENT xxxx (PROMPT)
R- READ NEGATIVE CURRENT xxxx (PROMPT)
EE ENABLE ECHO (PROMPT)
DE DISABLE ECHO (PROMPT)
EX EXIT NONE
# (NO <CR>) EXIT <CR><LF>BYE
To initialize serial communications a “!” character must first be transmitted to the ESC-2. The front panel will
display SR to indicate serial remote mode. An “H” character will display the HELP screen with all available
functions and commands.
NOTES:
1. The minimum output default is 50Vdc. Settings of less than 0050 will yield 0Vdc. Voltage changes are in
1Vdc increments.
2. The minimum current limit setting is 0.1mA.
3. The minimum ramp settings are 0.1 seconds.
4. Values less than 0.1 will default to 0.1 seconds.
8 System Specification
A. Output Capability
Description Specifications
True floating bi-polar output: Minimum path to chassis ground from any HV output terminal
>10 Meg ohm
Output to input isolation: > 500 Meg ohm (based on standard 5 KV dc hi-pot tests)
Output voltage/current: +/- 1000 VDC, 3mA maximum limit
Output stability: 0.1% or better of output from 0 to full load
Output ripple: Less than 0.2% at 50k Hz operating frequency
Output linearity: Better than 0.1% full scale
Output polarity reversal: On command
Output voltage balance: Better than 0.5% for matched loads
B. Input Requirements
Single 24 Volt dc, 1 Adc (2 amp surge capability for 2 seconds at start up).
© 2006 Comdel, Inc.
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