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Table 7-12: Status Enable Register
BIT
Status symbol
0 (LSB)
1
2
3
4
5
6
7(MSB)
Constant Voltage
Constant Current
No Fault
Fault active
Auto-Restart enabled
Fold enabled
Spare
Local Mode
CV
CC
NFLT
FLT
AST
FDE
Spare
LCL
Bit Set condition
Bit reset condition
User command:
"SENA nn" is
received,
where nn is
hexadecimal bits.
User command: "SENA nn"
is received, where nn is
hexadecimal bits.
If "nn"=00, no SRQ is sent
when there is a change in
Status Condition Register.
Table 7-13: Status Event Register
0 (LSB)
1
2
3
4
5
6
7(MSB)
Constant Voltage
Constant Current
No Fault
Fault active
Not used
Not used
Not used
Local Mode
CV
CC
NFLT
FLT
0
0
0
LCL
Entire Event Register is
cleared when user sends
"SEVE?" command to read
the register.
"CLS" and power-up also
clear the Status Event
Register. (The Fault Event
Register is not cleared by
RST)
BIT
Status
name
Status
symbol
Bit Set condition
Bit reset condition
Changes in status
occurs
and
it
is
enabled.
The change can
set a bit, but when
the change clears
the
bit
remains
set.
3.Status Enable register
The Status Enable Register is set by the user to enable SRQs from changes in power supply
status.
Status name
Always zero
Always zero
Always zero
Always zero
Always zero
Always zero
"SENA nn"
command
"SENA nn"
command
4.Status Event Register
The Status Event Register will set a bit if a change in the power supply status occurs and it is
enabled. The register is cleared when the "SEVE?" or "CLS" commands are received. A change
in this register will generate SRQ.
Always zero
Always zero
Always zero
Unit is set to Local
by pressing front
panel REM/LOC
button.
7.9 SERIAL COMMUNICATION TEST SET-UP
Use the following instructions as basic set-up to test the serial communication operation.
1.Equipment:
2.PC set-up:
3.Power supply set-up:
4.Communication Test:
PC with Windows Hyper Terminal, private edition, software installed, Genesys
power supply, RS232 cable.
TM
2.1 Open Hyper Terminal.......................New Connection.
2.2 Enter a name
2.3 Connect to.......................................Direct to Com1 or Com 2
2.4 Configure port properties:
2.5 Open Properties in the program
File...........................Properties
2.6 Setting: ASCII Set Up
Select Echo characters locally, select send line ends with line feed.
On some PC systems, pressing the number keypad "Enter" will
distort displayed messages. Use the alphabetic "Enter" instead.
Bits per second .......9600
Data bits ..................8
Parity .......................None
Stop bits....................1
Flow control..............None
3.1 Connect the power supply to the PC using the RS232 cable.
3.2 Set via the front panel: Baud Rate: 9600, Address: 06.
3.3 Set via the rear panel: RS232/485 to RS232 (refer to section: 4-4).
4.1 Model identification:
PC:write:
ADR 06
Power supply response: "OK"
4.2 Command test:
PC write: OUT 1
Power supply response: "OK"
PC write: PV n
Power supply response: "OK"
PC write: PC n (for n values see Tables 7-3 and 7-4)
Power supply response: "OK"
The power supply should turn on and the display will indicate the output voltage
and the actual output current.
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