ZWorld XP8500 User Manual download pdf

2900 Spafford Street Davis CA 95616 USA Tel: +916.757.3737 Fax: +916.753.5141 www.zworld.com Revision: D

The PLCBus

is a Z-World concept that allows you to extend

your control system by the addition of expansion boards.

Rather than buy controllers with many I/O lines, you can get

smaller controllers to which you add lines, according to your

needs. Z-World’s PLCBus concept also allows you to build your

own expansion boards, following a few guidelines.

Z-World offers these expansion boards:

Series Name Description

XP8100 IO32 32 protected digital I/O lines, configurable as

inputs or outputs in groups of eight.

3.525×2.835 (89.5 ×72 mm)

XP8200 UIO Six high-current outputs and 16 universal in-

puts, which can be used as digital inputs (with

single or dual thresholds) or analog inputs.

3.525×2.835 (89.5 ×72 mm)

XP8300 RELAY6 Six SPDT 10A relays.

3.525×2.835 (89.5×72 mm)

XP8400 RELAY8 Eight DIP relays, each SPST, 500 mA, normally

open.

2.2×2.835 (55.9×72 mm)

XP8500 ADC4 Four 12-bit ADC channels with signal condi-

tioning, seven channels without.

3.525×2.835 (89.5×72 mm)

* A/D12 Eight configurable ADC channels. Selectable

gain, differential or single-ended.

3.525×2.835 (89.5 ×72 mm)

XP8600 DAC2 Two DAC channels.

3.525×2.835 (89.5×72 mm)

XP8700 RS232 Single RS232 serial communication channel.

2.2×2.835 (55.9×72 mm)

XP8800 SMC Single-axis stepper motor controller with

quadrature decoder and high-speed counter.

4.0×2.835 (101.6 × 72 mm)

XP8900 DAC8 Four or eight DAC channels.

4.0×2.835 (101.6 × 72 mm)

The PLCBus, physically, is a set of one or more 26-wire ribbon

cables with which you connect a series of expansion boards to

a controller. When you have several boards connected, the

cables act as a “flexible backplane.” The limits to the number

of boards on a bus are power and addressability. You can ad-

dress up to 64 relay boards and up to 64 A/D12 boards and up to

32 UIO boards, and so forth, on a single bus. TTL loading limits

the number of boards on a single bus.

You can also build networks of controllers, each having expan-

sion boards.

All PLCBus expansion boards are 72 mm in width and fit in

DIN rail cards. Z-World expansion cards can also be installed,

with standoffs, on almost any flat surface that accepts screws.

Generally, mounting holes are 1/8″ (0.125″) in from the edge of

a board, with a diameter of 0.187.″

A RELAY6, a UIO board and an ADC4 board, when properly

cabled to a PK2200, would look something like this:

Most Z-World controllers support the PLCBus, although some

require special connectors. (Some controllers have limited soft-

ware support. Some do not have an actual PLCBus port.)

Z-World software usually hides most of the detail of operating a

PLCBus board. In practice, you need only make “plug and

play” physical connections, and make a few function calls in

your software.

The Concept

PLCBus devices connect with 26-wire ribbon cable (included

with the board) with the following pin assignments:

109

1211

1413

1615

1817

2019

2221

2423

2625

GND

D7X

D5X

D3X

D1X

–

GND

GND VCC (+5V)

attention /AT +V (normally +24V)

strobe /STBX GND

A3X GND

A2X GND

A1X

–

(+5V) VCC

D0X

–

D4X

D2X

D6X

The PLCBus core signals consists of

/AT Attention line (open drain). May be pulled low by

any

PLCBus device, causing an interrupt.

/STBX Negative going strobe.

A1X, A2X, A3X Three mode lines, for selecting bus operation.

D0X–D7X Bidirectional data lines.

+V PLCBus power. Either 24VDC (for 24V boards) or

12VDC (for 12V boards).

VCC, GND Normal regulated +5V and ground.

RELAY6

UIO

ADC4

PK2200

PLCBus Cable

DIN Rail

PLCBus Cable

XP8000 Series Expansion Products

PLCBus

1 2 3 4 5 6 ... 21 22

The Concept 1
XP8000 Series (PLCBus 10

Summary of Contents

Page 1 - The Concept

2900 Spafford Street Davis CA 95616 USA Tel: +916.757.3737 Fax: +916.753.5141 www.zworld.com Revision: DThe PLCBusTM is a Z-World concept that allows

Page 2

XP8000 Series (PLCBusTM)Z-World 530-757-3737 10Eight different PALs are available and J3 can be set eight differ-ent ways, giving 64 unique addresses:

Page 3

XP8000 Series (PLCBusTM)Z-World 530-757-3737 11JumpersThe DAC8 board uses 3 jumpers, H1 through H3 to select the±12V source:Internal ±12V1H11H2H3Exter

Page 4

XP8000 Series (PLCBusTM)Z-World 530-757-3737 12Typical OperationsIn the examples given below, the shorthand notationBUSxxx valuestands for this assemb

Page 5

XP8000 Series (PLCBusTM)Z-World 530-757-3737 13There are 14 internal registers, 7 of which you can read and 9 ofwhich you can write:A2 A1 A0 Read Writ

Page 6

XP8000 Series (PLCBusTM)Z-World 530-757-3737 14Universal Input/Output BoardZ-World’s Universal Input/Output board (XP8800) adds 16 uni-versal inputs a

Page 7

XP8000 Series (PLCBusTM)Z-World 530-757-3737 15Each input channel can be pulled high to an excitation voltage(which can be external or V+) or pulled t

Page 8

XP8000 Series (PLCBusTM)Z-World 530-757-3737 16The Stepper Motor ControllerZ-World’s stepper motor controller (XP8800) is a special pur-pose expansion

Page 9

XP8000 Series (PLCBusTM)Z-World 530-757-3737 17Communicating with the PCL-AKYou tell the PCL-AK what to do by (A) writing to its commandbuffer and (B)

Page 10 - XP8000 Series (PLCBus

XP8000 Series (PLCBusTM)Z-World 530-757-3737 18H6Motor Drive Quadrature Sense Input PowerPHAPHBPHCPHD AINBIN/ORG/EL+/EL–/SD+/SD–K+5VGNDGND+24V1• PHA,

Page 11

XP8000 Series (PLCBusTM)Z-World 530-757-3737 19the quadrature decoder/counter, and the control register. Theaddress of a particular SMC is determined

Page 12

XP8000 Series (PLCBusTM)Z-World 530-757-3737 2Bus TopologyA device on the PLCBus generally has one or more ports (con-trol registers or data registers

Page 13

XP8000 Series (PLCBusTM)Z-World 530-757-3737 20XP8100 (IO32)An XP8100 Series expansion board adds up to 32 digital I/Olines to your control system. Th

Page 14

XP8000 Series (PLCBusTM)Z-World 530-757-3737 21OutputsThe XP8100 high-current outputs normally have “sinking” driv-ers. The sinking drivers (2803s) ar

Page 15

XP8000 Series (PLCBusTM)Z-World 530-757-3737 22JumpersThere are 4 locations for jumper blocks. Not all of the jumperblocks may be installed on your pa

Page 16

XP8000 Series (PLCBusTM)Z-World 530-757-3737 3First byte Mode Addresses Full address encoding1 ––––0000 4 bits x 3 256 0000 xxxx xxxx2 ––––0001 256 00

Page 17

XP8000 Series (PLCBusTM)Z-World 530-757-3737 4Relay BoardsZ-World’s RELAY6 (XP8300) and RELAY8 (XP8400) expansionboards provide a simple way to add re

Page 18

XP8000 Series (PLCBusTM)Z-World 530-757-3737 5the +V line on the PLCBus. When J2:2-3 are connected, the ac-tuation voltage is supplied by the VCC line

Page 19

XP8000 Series (PLCBusTM)Z-World 530-757-3737 6JumpersThe A/D12 board uses 4 jumpers, J1 through J4. Settings for J1,coupled with the encoding of the P

Page 20

XP8000 Series (PLCBusTM)Z-World 530-757-3737 7EEPROM CoefficientsCompensation coefficients, determined by precise measure-ment, are stored in the on-b

Page 21

XP8000 Series (PLCBusTM)Z-World 530-757-3737 8Setting Up Your Conditioned InputsAs they comes from the factory, the conditioned inputs have a0–10V inp

Page 22

XP8000 Series (PLCBusTM)Z-World 530-757-3737 9The DAC2 board’s main power supply (U9) provides +15V up to1 amp. U8 and U2 provide V–, a regulated –5V

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ZWorld XP8500 User Manual

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