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Front Panel Operation - 5
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8 - Programming Output Port Functions
You can configure the output port to perform three different functions. In RIDFI mode, the port functions
as a remote inhibit input with a discrete fault indicator output signal. In DIGIO mode, the port acts as a
digital Input/Output device. In TRIGGER mode, the port accepts external measurement trigger signals.
To configure the RIDFI mode of the port, proceed as follows:
Action Display
1.
On the Function keypad, press Output.
*RST
2. Scroll through the Output menu by pressing (. The PORT command lets you select
either the RIDFI, DIGIO, or TRIGGER function. Press Enter when done.
PORT RIDFI
3. Scroll to the RI command to configure the Remote INHibit indicator. Use the # and
& keys to select either LIVE or LATCHING, either of which enable the RI indicator.
Then press Enter. With RI enabled, a low-true on the INH input will disable the
output of the unit. LIVE causes the output of the unit to track the state of the INH
input. LATCHING latches the output of the unit off in response to the inhibit signal.
RI LIVE
RI LATCHING
4. Access the Output menu again and scroll through the menu. The DFI command lets
you enable the Discrete Fault Indicator. Use the & key and select ON to enable the
FLT output. Then press Enter. With the FLT output enabled, the open-collector logic
signal can be used to signal external devices when a fault condition is detected.
DFI ON
5. Scroll to the DFI:SOUR command to select the internal source that drives this signal.
Use the & key to select from the RQS or ESB bits, or the Operation or Questionable
status registers. Then press Enter. Status summary bits are explained in chapter 7.
DFI:SOUR RQS
DFI:SOUR ESB
DFI:SOUR OPER
DFI:SOUR QUES
To configure the DIGIO mode of the port, proceed as follows:
Action Display
1.
On the Function keypad, press Output.
*RST
2. Scroll through the Output menu by pressing (. The PORT command lets you select
the DIGIO function. Press Enter when done.
PORT DIGIO
3. Scroll to the DIGIO command to set and read the Digital Input/Output Port. Press
Enter Number and enter a number from 0 to 7 to program the three bits (0 programs
all bits low; 7 programs all bits high). Press Enter when done.
DIGIO 5
To configure the TRIGGER mode of the port, proceed as follows:
Action Display
1.
On the Function keypad, press Output.
*RST
2. Scroll through the Output menu by pressing (. The PORT command lets you select
the TRIGGER function. Press Enter when done.
PORT TRIGGER
9 - Setting the GPIB Address
Your dc source is shipped with the GPIB address set to 5. This address can only be changed from the
front panel using the Address menu located under the
Address key.
Set the GPIB address as follows:
Action Display
1.
On the System keypad, press Address.
ADDRESS 5
2.
Enter the new address. For example, Press Enter Number, 7, Enter.
ADDRESS 7