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32REL-B

INDUSTRIAL COMPUTER SOURCE

32REL-B

Card Type

Relay Output Adapter

I/O Options

Serial port

Data Bus

8-bit ISA

Card Size

Full-length

CONNECTIONS

Function

Label

Function

Label

DB-37 connector

P5

CAB/32REL-B connector

P4

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Factory configured - do not alter

C1

Undefined

 

Factory configured - do not alter

R2

Undefined

 

Factory configured - do not alter

R3

Undefined

»

Connects +5 VDC

JP1

Pins 1 & 2 closed

 

Connects +12 VDC

JP1

Pins 2 & 3 closed

 

Connects B-side of the relay banks to ground at the on-board DB-37

P1 & P2

All closed

 

Places the A-side of each relay at the on-board DB-37 and the B-side at the optional cable’s DB-37

P1 & P2

All open

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

 

280h

On

On

On

On

Off

On

 

288h

Off

On

On

On

Off

On

 

2A0h

On

On

Off

On

Off

On

»

300h

On

On

On

On

On

Off

 

328h

Off

On

Off

On

On

Off

 

330h

On

Off

Off

On

On

Off

 

3E0h

On

On

Off

Off

Off

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Note:

A total of 64 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/6 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/6=256, SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the switches and add the values of the switches, including an additional value of 512 as a fixed setting, to obtain the correct memory address. (Off=1, On=0)