Cylon UCKRA420 Installation Instructions Manual

Unitron Accessories UCKRA420

UCKRA420 Serial Text Keypad

MECHANICAL

Size 154 x 144 x 35 mm

(6.1 x 5.7 x 1.4")

35 mm

Enclosure Injection moulded ABS
Mounting 1) Panel Door

2) Panel Backplate

3) UK/European Pattress Box

4) American Pattress Box

Environment

0° - 50°C (32°-122°F) ambient.
0% - 90% RH non-condensing

WIRING

Termination 1) RJ-11 Socket

Cable for screw terminals 4-core AWG 24 (min) unshielded
Cable for RJ-11 connector Pre-made Cylon cable (length 2m)
Maximum cable length 50m

2) 4 way screw terminals

ELECTRICAL

Power Requirements Power is received from associated controller

Note: UCKRA420 keypad is hot-pluggable, i.e. it can be connected to a powered-up controller

COMMUNICATIONS

RS232 @ 9600 Baud

INTERFACE

Display 80 alpha-numeric characters arranged as 4 lines x 20 characters.

υ

υunitron

This

υυ

Supertwist LCD with backlight.
Single-turn pot for contrast adjustment

product has been designed to meet CENELEC EMI noise standard E N 50-082-1.

153 mm

144 mm

LCD Display

Serial Port

(4-way screw terminals)

Display Contrast

Adjustment

(to adjust, insert terminal

screwdriver and rotate)

Serial Port

(RJ-11socket)

UCKRA420 PCB REV 1.2
CYLON CONTROLS LTD
16/11/99

SERIAL NUMBER

QUIET

LOUD

213

J8

Cable channel

Buzzer volume
Adjustment

removing the jumper

note:

disables the buzzer

Cable channel

Buttons

Front

Back

Cylon Controls Limited

Clonshaugh Industrial Estate
Clonshaugh
Dublin 17
Ireland
Tel: [phone]
Fax: [phone]
Email: [e-mail]

Due to Cylon's policy of continuous improvements these specifications may be upgraded without notice.

Cylon Controls UK Limited

50 Centenary Business Centre,
Hammond Close,
Attleborough Fiel ds,
Nuneaton,
Warwickshire CV11 6RY.
Tel: [phone]
Fax: [phone]
Email: [e-mail]

Mounting screws

WARNING:

Do not use electric
screwdriver or overtighten

!

mounting screws

(x4)

UCDS-0035 rev 3.00  Cylon Controls Limited 1

Unitron Accessories UCKRA420

UCKRA420 Installation Instructions

The UCKRA420 may be mou nted

a) in a Panel Door (see
b) on a Panel Backplate (see

or c) on a Pattress Box (see

Note:

mounting options are available for US, UK and European Pattress Boxes.

In all cases, the mounting bracket is removed from the UCKRA420, and cable attached by either RJ-11 or Screw­Terminal connectors as detailed below.

Section 1 - Removing the Mounting Bracket

Bracket locking

Loosen the Bracket locking screw at the bottom of the

UCKRA420

screw

. (It is not necessary to fully remove the screw)

Section 6

)

Section 5

Sections 3 and 4

)

)

Lift the bottom of the bracket away
from the

UCKRA420

, until it is clear

of the locking screw.

Unclip the top of the bracket by
pulling the bracket downwards

Section 2 - Connecting the UCKRA420 to UCxxPG-R controller

(not used)

GND

T/X

R/X

Power

(not used)

1. RJ-11 connector 2. Screw-terminal connector

Connect a cable to the

1. Downward cable channel

UCKRA420

using an RJ11 plug OR a Screw-Terminal connector.

OR

2. Upward cable channel

Route the cable through one of the cable channels so that the mounting bracket
can be re-attached.

Power

R/X

T/X

Connect the other end of the cable to the RJ-11 port
of a UC controller

GND

UCDS-0035 rev 3.00  Cylon Controls Limited 2