GFK-2059 Chapter 2 Configuration and Installation 2-3
2
Configuration
This section of the manual describes the Digital-to-Analog Converter Board set-up procedure and
jumper configuration. The board select base address and board jumper configuration is factory
preset and shown in Table 2-1 below. The base address selection switches (S1 and S2) are factory
configured at XXXX0060 HEX.
Table 2-1: Digital-to-Analog Converter Board Factory Preset Configuration
Jumper Function Preset Condition
S1 Base address selection switches
(A07, A06, A05)
NOT
USED A07 A06 A05
ON, CLOSED =0
OFF
,
OPEN = 1
S2 Base address selection switches
(A15 to A08)

A15 A08

ON

OFF

JC
Determines address modifier
response of the board. Installed
jumper indicates response to short
nonprivileged I/O access.
JC NOT
INSTALLED
JA, JB
Determines the digital code written
to the DAC. JB installed gives
two’s complement binary coding.
JA installed gives offset binary
coding.
JA JB
JD
Installation of this jumper enables
the program controlled start
convert mode as detailed in
“Program Control Update Mode”
on page 4-4.

JD

NOT
INSTALLED
JE
Installation of this jumper enables
the external start convert mode as
detailed in “External Trigger
Update Mode” on page 4-4.
Jumper JD must also be installed
to enable this mode.

JE

NOT
INSTALLED