Mounting Details Page 1 of 4
420-XX-08KT Rev 3 Oct 2013
420 Series RS232 Encoder for Keypad Applications - Installation Instruction
CONNECTION DETAILS
ORDERING DETAILS
Stock No Item
4200-00[X] RS232 Encoder
[X] denotes packaging variant
free downloads from www.storm-interface.com :-
420 Encoder Application/Engineering Manual
Test Software
Storm 420 Series Encoders allow interfacing between a Storm keypad and host system using the RS232 communications protocol. This model will also
drive a 4 line x 20 character LCD display. For additional information download the 420 Encoder Application / Engineering Manual
from www.storm-interface.com
SPECIFICATIONS
Input Power …………. 5V dc ± 0.25 V , regulated supply
RS232 Output ………. (via 6 pin Molex
2.54mm (.100") Pitch KK® )
Drives Powertips 80 Character LCD Display
(uses Hitachi HD44780U LCD-II Controller/Driver)
Display Controls :
On host system : Ctrl + L - clears the display, Ctrl + C toggles cursor on and off
Input Power
Terminals
88.9 mm
60 mm
LCD Display
Contrast
Adjustment
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Symbol Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A K
LCD Display Connector, 16 pins, 0.1” square pins
Keypad Connector (on reverse of pcb)
= pin connection made
Direct connection to rear of keypad ?
20 WAY BACKLIT
YES
20 WAY NOT BACKLIT Fit polarising pin
Fit polarising
pin
YES
12 / 16 WAY BACKLIT Fit polarising pin
Fit polarising pins
YES —fit polarising pins to positions 1,12 and 13
12 / 16 WAY NOT BACKLIT Fit polarising pins
Fit polarising pins
YES
4 WAY BACKLIT Fit polarising pin
Fit polar-
ising pin
Fit polaris-
ing pin
NO —separate cable required - See Note 1 below
STD version needs 5 way cable
BACKLIT version needs 7 way cable
Fit polarising pins as required
4 WAY NOT BACKLIT Fit polarising pins
Fit polarising pins
Encoder Pin
1 2 3 4 5 6 7 8 9 10 11 12 13
R = ROW,
C = COLUMN
To Keypad
LED
CATHODE
TAMPER
IN
R1 R2 C1 C2 C3 C4 R4 R3
R5
FUNCTION
KEYS
TAMPER
OUT
LED
ANODE
PIN 1 ON REVERSE
KEYPAD TYPE
NOTE 1—Connections for 4 way keypads
STD BACKLIT
2 NC 1
11 1 2
5 5 6
6 4 5
7 3 4
8 2 3
13 NC 7
ENCODER PIN TO KEYPAD PIN
JUMPER SETTING
CONTROLS BACKLIT
KEYPAD LED COLOUR
RED
Θ Θ
Θ Θ
GREEN
Θ Θ
Θ Θ
JP8
FACTORY
USE ONLY
FIRMWARE VERSION eg 5v02
PN 4200-001
Configuration Switches
Overall Size W 89mm x L 66mm x H 32mm
Mounting Centres at 73.5mm x 43.2mm
Temp Rating -20 deg C to +70 deg C
Direct connection for underpanel fixing ……. 12, 16, 20 way Storm Keypads
Ribbon Cable needed for top panel fixing 4, 12 ,16 way Storm Keypads
Whilst every effort is
made to ensure details
are correct at time of print,
specifications are subject
to change without notice.
RS232 OUTPUT
DTR
GND
NC
RTS
RX
TX (Pin 1)
www.storm-interface.com
Storm is a trademark of Keymat Technology
Ltd.
