Front Panel Operation
2-120
LOW). This is programmed from the DIGOUT selection of
the GENERAL menu.
2.19.6 STATUS-MSG
This selection is used to enable or disable the status messag-
es mode. When enabled, status messages are displayed to
identify specific operations that are performed.
ON: Enable the status message mode.
OFF: Disable the status message mode.
The instrument may become so busy displaying status mes-
sages, that key presses are no longer acknowledged. You
may have to clear status message display by pressing the
EXIT key or sending a bus command (:DISPlay:SMESsage
OFF) to get out of this mode.
Tolerance
Bands
±
10%
±
1%
Resistance
Bit
Patterns
and
Limits
90k
Ω
99k
Ω
101k
Ω
110k
Ω
001
011
000
100
010
LOLIM1
LOLIM2 HILIM2
HILIM1
Figure 2-78
Using limit test to sort 100k
Ω
resistors
1 = +5V (with 510
Ω
series resistor)
2 = Data In (calibration fixture use*)
3 = V
EXT
flyback connection (+5V to +30V)
4 = Digital output #1
5 = Digital output #2
6 = Digital output #3
7 = Digital output #4
8 = Digital ground
*Pin 2 is for use with Model 5156 Calibration Source
Pin Designation
DIGITAL
OUT
(Connector J1015)
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
INPUT
250V PEAK
!
LINE RATING
50-60HZ
50VA MAX
AC ONLY
LINE FUSE
SLOWBLOW
1/2A 90-125V
1/4A 180-250V
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
DIGITAL
I/O
TRIG LINK
115V
1
2
3
4
5
6
7
8
Figure 2-79
Digital I/O port
2.19.7 GENERAL
The GENERAL menu is used for the following operations:
• To control the state and sense of the digital outputs.
• To view the serial number, SCPI version, and firmware
revision levels of the Model 6517A.
• To set line synchronization of readings, display the fre-
quency of the line power, and configure the A/D to
measure humidity and/or external temperature.
• To configure timestamp.
• To choose the character displayed for a decimal and se-
lect measurement units.
• To set the real-time clock.
DIGOUT (Digital I/O menu)
Access the DIGOUT menu as follows:
1. From the main menu, select the GENERAL menu.
2. Use the
and
keys to highlight DIGOUT, and
press Enter. The following will be displayed:
DIGOUT
STATE
LOGIC-SENSE
Digital I/O port
The Model 6517A’s Digital I/O port is an 8-pin mini-DIN
socket located on the rear panel. The port’s location and pin
designations are shown in Figure 2-79.
