Specifications

Allen-Bradley DH+ Driver Help
selected, users should place one of the jumpers horizontally across pin 3 under channel number 1. If not using
interrupts, the jumper should be placed vertically, thus connecting pins of two different interrupt levels (such as
3 and 5).
Configuring the 1784-KT (ISA Bus) Communication Interface Card for DH+
Important: Before handling the card, users must ground themselves by touching a grounded object (such as
the chassis of the computer).
Requirements for the 1784-KT (ISA Bus) card are as follows:
l The 1784-KT card's DIP switch configuration must match the driver's KT communications address
settings.
l The selected address must not conflict with any other address used by the computer.
l If planning to use multiple 1784-KT cards, each one must be assigned a unique address.
1784-KT Card DIP Switch Configuration for DH+
MEMORY ADDRESS IN HEX SW1 SW2 SW3 SW4 SW5 SW6
Use these addresses only if an EGA
or VGA display adapter is not
installed.
A0000
A4000
A8000
AC000
OPEN
CLOSED
OPEN
CLOSED
OPEN
OPEN
CLOSED
CLOSED
OPEN
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
OPEN
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
Use these addresses only if an MDA
display adapter is not installed.
B0000
B4000
B8000
OPEN
CLOSED
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
Use these addresses only if the
Dxxxx addresses do not work (since
one of the Cxxxx addresses may be
used by the AT BIOS).
C0000
C4000
C8000
CC000
OPEN
CLOSED
OPEN
CLOSED
OPEN
OPEN
CLOSED
CLOSED
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
These addresses will yield the best
results. The default address is
shown in bold.
D0000
D4000
D8000
OPEN
CLOSED
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
OPEN
OPEN
OPEN
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
CLOSED
DIP Switches on the 1784-KT Card Shown for Default D4000
1. Configure the 1784-KT card DIP switches by pressing each switch in at the top or in at the bottom.
Descriptions of the settings are as follows:
l Open: Pressed in at the top.
l Closed:Pressed in at the bottom .
www. kepware.com
37