420 Series RS232 Encoder for Keypad Applications - Installation Instruction
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)
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
Display Controls
:
CONNECTION
: Ctrl + L - clears the display, Ctrl + C toggles cursor on and off
On host system
DETAILS
Keypad Connector
(on reverse of pcb)
KEYPAD TYPE
=
6
C2
pin connection made
Direct connection to rear of keypad ?
20 WAY NOT BACKLIT
Fit polarising pin
12 / 16 WAY BACKLIT
Fit polarising pin
12 / 16 WAY NOT BACKLIT Fit polarising pins
4 WAY BACKLIT
Fit polarising pin
Fit polar-
ising pin
4 WAY NOT BACKLIT
Fit polarising pins
20 WAY BACKLIT
Encoder Pin
R = ROW,
C = COLUMN
To Keypad
1
LED
CATHODE
PIN 1 ON REVERSE
7
C3
8
C4
9
10
R4 R3
11
R5
FUNCTION
KEYS
Fit polarising
pin
YES
YES
YES
—fit polarising pins to positions
YES
1,12 and 13
Fit polarising pins
Fit polarising pins
Fit polaris-
ing pin
13
LED
ANODE
NO
Fit polarising pins
12
TAMPER
OUT
—separate cable required - See Note 1 below
STD version needs 5 way cable
BACKLIT version needs 7 way cable
Fit polarising pins as required
NOTE 1—Connections for 4 way keypads
ENCODER PIN
TO
KEYPAD PIN
STD
2
11
5
NC
1
5
4
3
2
NC
BACKLIT
1
2
6
5
4
3
7
2
3
4
R2
5
C1
TAMPER
R1
IN
RS232 OUTPUT
DTR
GND
NC
RTS
RX
TX (Pin 1)
JUMPER SETTING
CONTROLS BACKLIT
KEYPAD LED COLOUR
RED
PN 4200-001
6
7
8
13
Θ Θ
Θ Θ
Θ Θ
Θ Θ
FACTORY
USE ONLY
FIRMWARE VERSION eg 5v02
60 mm
Configuration Switches
GREEN
JP8
Input Power
Terminals
88.9 mm
LCD Display
Contrast
Adjustment
LCD Display Connector,
16 pins, 0.1” square pins
Pin
Symbol
1
Vss
2
Vdd
3
Vo
4
RS
5
R/W
6
E
7
8
9
10
11
12
13
14
15
A
16
K
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
ORDERING DETAILS
Stock No
4200-00[X]
Item
RS232 Encoder
Whilst every effort is
made to ensure details
are correct at time of print,
specifications are subject
to change without notice.
[X] denotes packaging variant
free downloads from www.storm-interface.com :-
420 Encoder Application/Engineering Manual
Test Software
www.storm-interface.com
Mounting Details Page 1 of 4
420-XX-08KT Rev 3 Oct 2013
Storm is a trademark of Keymat Technology
Ltd.
420 Series RS232 only Encoder for Keypad Applications
Fitted to 4, 12 or 16 WAY KEYPAD
Configuration Switch Settings
4 Way Keypads
12 and 16 Way Telephone Layout Keypads
12 and 16 Way Calculator Layout Keypads
1
ON
ON
ON
2
CHARACTER
ECHOING
SELECTOR
ON = ECHO ON
OFF = ECHO OFF
3
OFF
OFF
OFF
4
ON
OFF
ON
5
ON
6
ON
7
OFF
ON
ON
BAUD RATE
SELECTOR
OFF=9600 BAUD
ON=1200 BAUD
8
Installation Checklist
OFF OFF
OFF OFF
Keypad
Encoder , configuration switch set
Panel Fixing prepared
+5V regulated supply
RS 232 cable with 6 way Molex socket
Ribbon cable keypad to encoder if needed
LCD and 16 way ribbon cable if needed
Polarising pins fitted to encoder
ROW / COLUMN DESIGNATIONS (KEYPADS FRONT VIEW)
For Example R1C2 = Row 1 Column 2.
NB : A 20 way keypad is treated as 4 way + 16 way.
TYPICAL INSTALLATION
(rear view, encoder direct connection to keypad, LCD display used)
To LCD Display
Power
Input
4 Way Front View
12 / 16 Way Front View
Side View
Keypad Pin 1
↓
RS232
Output
PIN-OUT FOR 4, 12 and 16 WAY MATRIX KEYPADS
4 WAY KEYPAD (NO BACKLIGHT)
CONTACT CONNECTIONS
(REAR VIEW)
PINS
PIN NUMBER
● ● ● ● ●
5 4 3 2 1
4 WAY BACKLIT KEYPAD
CONTACT CONNECTIONS
(REAR VIEW)
PINS
PIN NUMBER
● ● ● ● ● ● ●
7 6 5 4 3 2 1
ASCII CODE TABLES
4 WAY KEYPAD ASCII CODES
ROW/
COLUMN
C1
C2
C3
C4
R5
11
12
13
14
NOTE 1 : These codes are non-
printing ASCII device control
codes. The application software
will need to assign usage
NOTE 2 : The COMMON pin on
a 4 way is termed ROW 5 to be
consistent with applications using
4 function keys.
CONTACT MATRIX
PIN
1
2
3
4
5
ROW /
COLUMN
R5
C4
C3
C2
C1
PIN
1
2
3
4
5
6
7
12 / 16 WAY KEYPAD (NO BACKLIGHT)
CONTACT CONNECTIONS
(REAR VIEW)
PINS
● ● ● ● ● ● ● ●
CONTACT MATRIX
ROW /
COLUMN
LED POWER
R5
C4
C3
C2
C1
LED POWER
12 / 16 WAY TELEPHONE KEYPAD ASCII CODES
ROW/
COLUMN
R1
R2
R3
R4
C1
31
34
37
2A
C2
32
35
38
30
C3
33
36
39
23
C4
61
62
63
2E
12 / 16 WAY BACKLIT KEYPAD
CONTACT CONNECTIONS
(REAR VIEW)
PINS
● ● ● ● ● ● ● ● ● ●
6 5 4 3 2 1
PIN NUMBER 8 7 6 5 4 3 2 1
CONTACT MATRIX (NO BACKLIGHT)
PIN
1
2
3
4
5
6
7
8
ROW /
COLUMN
R1
R2
C1
C2
C3
C4 (16 WAY ONLY)
R4
R3
PIN NUMBER 10 9 8 7
CONTACT MATRIX (WITH BACKLIGHT)
PIN
1
2
3
4
5
6
7
8
9
10
ROW /
COLUMN
LED POWER
R1
R2
C1
C2
C3
C4 (16 WAY ONLY)
R4
R3
LED POWER
12 / 16 WAY CALCULATOR KEYPAD ASCII CODES
ROW/
COLUMN
R1
R2
R3
R4
C1
37
34
31
7F
C2
38
35
35
30
C3
39
36
33
0D
C4
1B
0C*
05
2E
Mounting Details Page 2 of 4
420-XX-08KT Rev 3 Oct 2013
* = Form Feed Code to give CLEAR function
420 Series RS232 only Encoder for Keypad Applications
Fitted to INTEGRATED 20 WAY KEYPAD AND DISPLAY
Configuration Switch Settings
Integrated 20 Way Keypad and Display - Telephone Layout
Integrated 20 Way Keypad and Display - Calculator Layout
1
OFF
OFF
CHARACTER
ECHOING
SELECTOR
ON = ECHO ON
Note : Remove Jumpers from JP3 and JP4 in this configuration.
OFF = ECHO OFF
2
3
ON
ON
4
OFF
ON
5
OFF
ON
6
ON
ON
7
OFF
OFF
BAUD RATE
SELECTOR
OFF=9600 BAUD
ON=1200 BAUD
8
Installation Checklist
Integrated 20 way Keypad
Encoder , configuration switch set
LCD and 16 way ribbon cable if needed
Panel Fixing prepared
+5V regulated supply
RS 232 cable with 6 way Molex KK socket
13 way ribbon cable keypad to encoder if
needed
Polarising pins fitted to encoder
ROW / COLUMN DESIGNATIONS
( KEYPAD FRONT VIEW)
For Example R1C2 = Row 1 Column 2.
treated as 4 way + 16 way.
NB : A 20 way keypad is
ASCII CODE TABLES
Telephone Layout
Row /
Column
Character
ASCII
Calculator Layout
Character
ASCII
R5C1
R5C2
R5C3
R5C4
R1C1
R1C2
R1C3
R1C4
R2C1
R2C2
R2C3
R2C4
R3C1
▲
▲
▲
▲
1
2
ABC
3
DEF
A
4
GHI
5
JKL
6
MNO
B
7
PQRS
8
TUV
9
WXYZ
C
*
CLR
0
#
ENT
ENTER
11
12
13
14
31
32
33
41
34
35
36
42
37
38
39
43
2A
30
23
2E
▲
▲
▲
▲
1
2
3
ENTER
4
5
6
CLEAR
7
8
9
?
*
0
#
CANCEL
11
12
13
14
31
32
33
1B
34
35
36
0C
37
38
39
05
7F
30
0D
2E
PIN-OUT FOR 20 WAY KEYPAD
20 WAY KEYPAD
CONTACT CONNECTIONS
(REAR VIEW)
PINS
● ● ● ● ● ● ● ● ● ● ● ● ●
6 5 4
3 2
1
R3C2
R3C3
R3C4
R4C1
R4C2
R4C3
PIN NUMBER 13 12 11 10 9 8 7
CONTACT MATRIX
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
ROW /
COLUMN
NOT USED
TAMPER IN
R1
R2
C1
C2
C3
C4
R4
R3
R5
TAMPER OUT
NOT USED
.
ANTI-
TAMPER
OPEN
CIRCUIT
07*
07*
* = CODE REPEATS EVERY 10
SECONDS WHILST CONDITION REMAINS
ACTIVE
Mounting Details Page 3 of 4
420-XX-08KT Rev 3 Oct 2013
420 Series RS232 only Encoder for Keypad Applications
Fitted to 6000 SERIES PINPAD
Configuration Switch Settings
6000 Series Pinpad - Basic Layout
6000 Series Pinpad - UK Layout
6000 Series Pinpad - USA Layout
R3
fitted
Remove
before use
Remove
before use
1
OFF
OFF
OFF
2
CHARACTER
ECHOING
SELECTOR
ON = ECHO ON
OFF = ECHO OFF
3
ON
ON
ON
4
OFF
OFF
ON
5
ON
ON
ON
6
OFF
OFF
OFF
7
OFF
OFF
OFF
BAUD RATE
SELECTOR
OFF=9600 BAUD
ON=1200 BAUD
8
Installation Checklist
Note : R3 may need to be removed depending on the configuration
required.
Keypad
Encoder , configuration switch set
Panel Fixing prepared
+5V regulated supply
RS 232 cable with 6 way Molex KK socket
13 way ribbon cable keypad to encoder if
needed
Polarising pins fitted to encoder
BASIC LAYOUT
UK LAYOUT
USA LAYOUT
ROW / COLUMN DESIGNATIONS
ASCII CODE TABLES
Row /
Column
Marking
Basic Layout
Base Key
ASCII
Marking
UK Layout
Base Key
ASCII
Marking
USA Layout
Base Key
ASCII
Row 1
Column1
Row 1
Column2
Row1
Column3
Row1
Column 4
R1C1
Row 2
Column1
Row 2
Column2
Row 2
Column3
Row 2
Column 4
1 QZ
2 ABC
3 DEF
CANCEL
4 GHI
5 JKL
6 MNO
CLEAR
7 PRS
8 TUV
9 WXY
?
Black
Black
Black
Red with
raised Cross
Black
Black with
Homepip
Black
Yellow with
raised
vertical line
Black
Black
Black
Blue with
raised Plus
Black
31
32
33
0D
34
35
36
7F
37
38
39
05
No Code
30
2E
1B
1
2 ABC
3 DEF
CANCEL
4 GHI
5 JKL
6 MNO
CLEAR
7 PQRS
8 TUV
9 WXYZ
?
*
0
#
ENTER
Black
Black
Black
Red with
raised Cross
Black
Black with
Homepip
Black
Yellow with
raised
vertical line
Black
Black
Black
Blue
Black
Black
Black
Green with
raised circle
31
32
33
0D
34
35
36
7F
37
38
39
05
2A
30
23
1B
1 QZ
2 ABC
3 DEF
ENTER
4 GHI
5 JKL
6 MNO
CLEAR
7 PRS
8 TUV
9 WXY
?
*
0
#
CANCEL
Black
Black
Black
Green with
raised circle
Black
Black with
Homepip
Black
Yellow with
raised
vertical line
Black
Black
Black
Blue
Black
Black
Black
Red with
raised Cross
31
32
33
1B
34
35
36
7F
37
38
39
05
2A
30
23
0D
R1C2
R1C3
R1C4
R2C1
R2C2
R2C3
Row 3
Column1
Row 3
Column2
Row 3
Column3
Row 3
Column 4
Row 4
Column1
Row 4
Column2
Row 4
Column3
Row 4
Column 4
PIN-OUT FOR 16 WAY MATRIX PINPAD
CONTACT CONNECTIONS
(REAR VIEW)
PINS
● ● ● ● ● ● ● ● ● ● ● ● ●
R2C4
R3C1
R3C2
R3C3
R3C4
R4C1
R4C2
R4C3
R4C4
ANTI-
TAMPER
OPEN
CIRCUIT
PIN NUMBER 13 12 11 10 9 8 7 6 5 4 3 2 1
CONTACT MATRIX
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
ROW /
COLUMN
NOT USED
TAMPER
R1
R2
C1
C2
C3
C4
R4
R3
NC
TAMPER
NOT USED
0
.
ENTER
Black
Black
Green with
raised circle
07*
07*
07*
*= CODE REPEATS EVERY 10 SECONDS WHILST CONDITION REMAINS ACTIVE.
TO RESET—DISCONNECT POWER FOR 30 SECONDS.
Mounting Details Page 4 of 4
420-XX-08KT Rev 3 Oct 2013
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