SeaLevel REL-32 User manual

REL-32™

USER’S MANUAL

Part Number 3098

Sealevel Systems, Inc Phone: (864) 843-4343

155 Technology Place Fax: (864) 843-3067

P.O. Box 830 www.sealevel.com

Liberty, SC 29657

Contents

INTRODUCTION ........................................................................ 1

OVERVIEW ...........................................................................................1

WHAT’S INCLUDED .............................................................................1

FACTORY DEFAULT SETTINGS .............................................................1

CARD SETUP............................................................................. 2

ADDRESS SELECTION ...........................................................................2

OPTIONS HEADER................................................................................3

HEADER JP1.......................................................................................4

OPTIONAL CABLE CONNECTOR P4......................................................4

INSTALLATION.......................................................................... 5

SOFTWARE INSTALLATION..................................................................5

For Windows Users.......................................................................5

TECHNICAL DESCRIPTION ....................................................... 6

FEATURES ...........................................................................................6

CONNECTOR PIN ASSIGNMENTS...........................................................7

PROGRAMMING....................................................................... 8

APPLICATION PROGRAMMERS INTERFACE (API).................................8

Relative Addressing Vs. Absolute Addressing............................8

DIRECT HARDWARE CONTROL..........................................................10

Reading the Outputs (relays) (direct) :......................................10

Writing the Outputs (relays) (direct) : ......................................10

SPECIFICATIONS..................................................................... 11

ENVIRONMENTAL SPECIFICATIONS....................................................11

POWER CONSUMPTION......................................................................11

MEAN TIME BETWEEN FAILURES (MTBF)........................................11

PHYSICAL DIMENSIONS.....................................................................11

APPENDIX A -TROUBLESHOOTING....................................... 12

APPENDIX B -HOW TO GET ASSISTANCE............................. 13

APPENDIX C -ELECTRICAL INTERFACE................................ 14

RELAY SPECIFICATIONS.....................................................................14

APPENDIX D -SILK-SCREEN.................................................. 15

APPENDIX E -SCHEMATIC..................................................... 16

WARRANTY............................................................................ 22

Trademarks...................................................................................22

Figures

Figure 1 -Address Selection Table..................................................................2

Figure 2 -DIP-Switch Illustration.....................................................................2

Figure 3 -Options Header P1-P3 .....................................................................3

Figure 4 -Header JP1.......................................................................................4

Figure 5 -DB-37 Connector Pin Assignments.................................................7

Introduction

Sealevel Systems REL-32 Page 1

Introduction

Overview

The REL-32 provides 32 reed relays that can latch power, data or other

electronic signals for control applications. The REL-32 is PC compatible

and fits any ISA or EISA slot. Addressing, data and control signals are TTL

compatible.

The REL-32 is simple to operate. By writing instruction bytes to the I/O

port addresses, the reed relays are energized or de-energized.

What’s Included

The REL-32 is shipped with the following items. If any of these items are

missing or damaged, contact the supplier.

•REL-32 Relay Interface Adapter

•3.5” DIO Diskette

•User manual

Factory Default Settings

The REL-32 factory default settings are as follows:

Base Address

300

To install the REL-32 using factory default settings, refer to Installation

on page 5.

For your reference, record installed REL-32 settings below:

Base Address

Card Setup

Sealevel Systems REL-32 Page 2

Card Setup

The REL-32 contains several jumper straps for each port which must be

set for proper operation.

Address Selection

The REL-32 occupies 4 consecutive I/O locations. The DIP-switch (SW1)

is used to set the base address for these locations. Be careful when

selecting the base address as some selections conflict with existing PC

ports. The following table shows several examples that usually do not

cause a conflict.

Address Binary SW1 Switch Position Setting

Hex A8 A3 654321

280-283 0 1 0 0 0 0 On Off On On On On

288-28A 0 1 0 0 0 1 On Off On On On Off

2A0-2A3 0 1 0 1 0 0 On Off On Off On On

328-32B 1 0 0 1 0 1 Off On On Off On Off

330-333 1 0 0 1 1 0 Off On On Off Off On

Figure 1-Address Selection Table

The following illustration shows the correlation between the DIP-switch

setting and the address bits used to determine the base address. In the

example below, address 300 is selected as the base address. Address 300

in binary is XXX 100000 XXX where X = a non-selectable address bit

and address bit A9 is always a 1.

1 2 3 4 5 6

Figure 2-DIP-Switch Illustration

Note: Setting the switch "On" or "Closed" corresponds to a "0" in the

address, while leaving it "Off" or "Open" corresponds to a "1".

Relay addressing

Base + 0 D0 -D7 =Switch 1 -Switch 8

Base + 1 D0 -D7 =Switch 9 -Switch 16

Base + 2 D0 -D7 =Switch 17 -Switch 24

Base + 3 D0 -D7 =Switch 25 -Switch 32

Card Setup

Sealevel Systems REL-32 Page 3

Options Header

P1 Function P2 Function P3 Function

1Switch 1B 1Common 1 1Switch 1A

2Switch 2B 2Common 1 2Switch 2A

3Switch 3B 3Common 1 3Switch 3A

4Switch 4B 4Common 1 4Switch 4A

5Switch 5B 5Common 1 5Switch 5A

6Switch 6B 6Common 1 6Switch 6A

7Switch 7B 7Common 1 7Switch 7A

8Switch 8B 8Common 1 8Switch 8A

9Switch 9B 9Common 2 9Switch 9A

10 Switch 10B 10 Common 2 10 Switch 10A

11 Switch 11B 11 Common 2 11 Switch 11A

12 Switch 12B 12 Common 2 12 Switch 12A

13 Switch 13B 13 Common 2 13 Switch 13A

14 Switch 14B 14 Common 2 14 Switch 14A

15 Switch 15B 15 Common 2 15 Switch 15A

16 Switch 16B 16 Common 2 16 Switch 16A

17 Switch 17B 17 Common 3 17 Switch 17A

18 Switch 18B 18 Common 3 18 Switch 18A

19 Switch 19B 19 Common 3 19 Switch 19A

20 Switch 20B 20 Common 3 20 Switch 20A

21 Switch 21B 21 Common 3 21 Switch 21A

22 Switch 22B 22 Common 3 22 Switch 22A

23 Switch 23B 23 Common 3 23 Switch 23A

24 Switch 24B 24 Common 3 24 Switch 24A

25 Switch 25B 25 Common 4 25 Switch 25A

26 Switch 26B 26 Common 4 26 Switch 26A

27 Switch 27B 27 Common 4 27 Switch 27A

28 Switch 28B 28 Common 4 28 Switch 28A

29 Switch 29B 29 Common 4 29 Switch 29A

30 Switch 30B 30 Common 4 30 Switch 30A

31 Switch 31B 31 Common 4 31 Switch 31A

32 Switch 32B 32 Common 4 32 Switch 32A

33 GND 33 Common 1 33 5V/12V

34 GND 34 Common 2 34 5V/12V

35 GND 35 Common 3 35 5V/12V

36 GND 36 Common 4 36 5V/12V

Figure 3-Options Header P1, P2 and P3

Note: The REL-32 is shipped with jumpers connecting the first 36 pins of

headers P1 and P2. This connects the B-side of the relay banks to

ground, which appear at the on-board DB-37.

Card Setup

Sealevel Systems REL-32 Page 4

Header JP1

Header JP1 provides a means of connecting +5 VDC and +12 VDC from

the PC bus, to the Options Header. The center pin of this header is

connected to P3 pins 33-36.

JP1

Figure 4-Header JP1 (Factory Default +5V)

Optional Cable Connector P4

Discrete access to both sides of all relays is provided by attaching the

optional cable (CA-108) to pin header P4 with the colored edge of the

ribbon cable attached to pin one. Removing all the jumpers connecting

row P1 to P2 places the A-side of each relay at the on-board DB-37 and

the B-side at the optional cable’s DB-37.

Installation

Sealevel Systems REL-32 Page 5

Installation

The REL-32 can be installed in any of the PC expansion slots. TheREL-32

contains a DIP-switch (SW1) which must be set prior to installation.

1. Turn off PC power. Disconnect the power cord.

2. Remove the PC case cover.

3. Locate an available slot and remove the blank metal slot cover.

4. Gently insert the REL-32 into the slot. Make sure the adapter is

seated properly.

5. Cabling:

The REL-32 has an optional cable (CA-108) that may be installed

prior to use. This cable is keyed and can only be installed one

way. Please do not try to force this cable as damage to the

adapter may occur.

6. Replace the cover.

7. Connect the power cord.

Installation is complete.

Software Installation

For Windows Users

Choose Install Software at the beginning of the CD and select the Digital

I/O software drivers and install SeaIO.

Technical Description

Sealevel Systems REL-32 Page 6

Technical Description

The REL-32 Relay Output Adapter provides four parallel input/output

(I/O) ports. The ports are organized as ports A, B, C and D and are reed

relay output ports.

Features

•Selectable I/O port addressing from 200H -3F8H

•4 sets SPST relays with each set having 8 relays

•DB-37 female connector for relay outputs

•Highly reliable 10 VA DIP reed relays utilized

•8 bit slot connector

•Multiple adapters can reside in same computer

•All address, data and control signals are TTL compatible

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