Programming instructions

Front-Panel Operation 41
• The digital I/O modules can be configured in either SCPI mode or
3488A mode. Table 3-6 on Page 41 shows the Mode key structure.
Note The 4-bit built-in digital I/O in Slot 0 cannot be configured.
• The Mode key shows a completely different structure (Table 3-7)
when it is used to configure a digital I/O port.
Agilent N2260A
Configuration
To configure an Agilent N2260A MUX module:
1. Select a slot in which an Agilent N2260A module is installed;
2. Press Mode, the CONFIG annunciator lights up and “CONFIG
MUX” is displayed;
Table 3-5. Agilent N2260A Configuration (Mode)
1st level Items 2nd Level Items Description
CONFIG MUX
WIRE1
WIRE2
WIRE4
DUAL WIRE2
Configure Agilent N2260A Multiplexer module to work as: 80-channel
1-wire, 40-channel 2-wire, 20-channel 4-wire, or two independent
groups of 20-channel 2-wire module.
Table 3-6. Digital I/O Configuration (Mode)
1st level
Items
2nd Level
Items
3rd Level
Items
4th Level
Items
5th Level
Items
Description
CONFIG DIO
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
CONT POL POS
CONT POL NEG
FLAG POL POS
FLAG POL NEG
I/O POL POS
I/O POL NEG
Configure DIO module, including
the handshake mode, the
control line and flag line
polarities, and the polarity of the
I/O direction line.
Table 3-7. Digital I/O Port Configuration (Mode)
1st Level Items 2nd Level Items Description
DATA POLARITY
POS POLARITY
NEG POLARITY
Set the polarity of the data lines for the port.
DISP FORMAT
DECIMAL
BINARY
Set data display format for the port.
N2260A 1
CONFIG MUX 1