CAS Corporation TW-100 User manual

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BT T I IN ND DI IC CA AT TO OR R
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MO OD DE EL L : : T TW W-
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T
Ta ab bl le e o of f C Co on nt te en nt ts s
1. TECHNICAL SPECIFICATION ................................ PAGE 3
2. OVERALL VIEW ...................................................... PAGE 4
3. CONNECTION ......................................................... PAGE 4
4. TEST MODE ........................................................... PAGE 5
5. SCHEMATIC DIAGRAM ......................................... PAGE 6
6. P.C.B DIAGRAM ............ ........................................ PAGE 9
7. BLOCK DIAGRAM .................................................. PAGE 11
10. CONNECTOR DIAGRAM ....................................... PAGE 12
11. DEVICE OF SPECIFICATION ................................ PAGE 13
12. PART LIST .............................................................. PAGE 13
13. EXPLODED VIEW................................................... PAGE 16
14. ERROR MESSAGE & TROUBLE SHOOTING ....... PAGE 17
15. PRINT FORMAT DOWNLOAD ………………......... PAGE 17
16. PROGRAM DOWNLOAD ………………………....... PAGE 18
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1. TECHNICAL SPECIFICATION
■Technical Specification
Display LCD (5 digit)
Size of letter 12mm (Height)
Display below zero “-” minus signal
Status Lamp ZERO, GROSS, NET, TARE, PRINT, HOLD
Power TW-100 : Rechargeable DC Battery 7.2V 750mA
Charger : AC220V/60Hz
Power consumption 0.5 W/h
Operation temperature -10℃to +40℃
Frequency 2402Mhz ～2483Mhz
Channel 79 channels
Channel interval 1 Mhz
Communication method FSK(Frequency Shift Keying fsk)
Comm. speed 9600bps
Comm. distance Approximate 50M ~ 100M
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2. OVERALL VIEW
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3. CONNECTION
(1) Connection of serial printer
RXD 3ᄋ------------------------------------ ᄋTransmit Data
TXD 2ᄋ------------------------------------ ᄋReceive Data
GND 7ᄋ------------------------------------ ᄋSignal Ground
TW-100 charger RS-232C port 9pin port(Female) Print port
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4. TEST MODE
HOW TO ENTER
1) Turn on power while pressing ZERO key and TEST mode starts.
LCD CHECK MODE
1) All letters of LCD will be turned on.
2) Press ON/OFF key to move the next mode.
KEY CHECK MODE
1) The LCD window displays “0-“
2) It will display the key number pressed.
3) Press ON/OFF key to move the next mode.
COMMUNICATION (RS-232) CHECK MODE
1) The LCD window displays “t- r-“.
2) Transmit key number value when one of key 0~9 is pressed.
3) ASCII ‘0~9’ is transmitted, the display of TW-100 will show.
4) If ON/OFF key is pressed, ‘out’ message is transmitted and TEST MODE is ended.
LCD DISPLAY EXPLANATION
tESt 1 All letters of LCD turn on
tESt 2 Displays TW-100key number
tESt 3 Displays the transmitted data of TW-100 and the
received data from PC
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(1) MAIN
5. SCHEMATIC DIAGRAM
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- PAGE 7 -

(2) CHARGER
-
+
D3
RB153
R11
1K
C3
0.1uF
C2
0.1uF
R9
6.4K F
U1
PIC16F676
1
4
3
2
12
14
5
13
6
7
11
10
8
9
VDD
RA3/MCLR
RA4/OSC2
RA5/OSC1
AN1/RA1
VSS
RC5
AN0/RA0
RC4
RC3/AN7
AN2/RA2
AN4/RC0
AN6/RC2
AN5/RC1
CN5
전면
LED
R6
1K
F1
221/100V
Q2
2N7002
+5V
+5V
U3
LM7805
1
3
2
VIN
G
N
D
VOUT
CN2
LPH03-03
1
2
3
R10
3.6K F
Q1
FDS6679
CN6
TO BATTER Y
1
2
3
4
5
CN3
LPH03-02
1
2
D2
1N4007
C7
0.1uF
TW-100-01
1.0
CAS INDUSTRIAL TW-100 NI-MH CHARGER
A4
11Friday , D ecember 02, 2005
Smart Power Management Co.Ltd.
Title
Size Document Number Rev
Date: Sheet of
+5V
LD2
GREEN
LD3
RED
+12V
CN1
LPH03-02
1
2
R12
1K
+5V
BD1
BEAD 5mm
250V/315mA
FUSE
+
C6
470/16V
CN5
5267-03
1
2
3
CN4
5267-05
1
2
3
4
5
+12V
LD1
RED
BD2
BEAD 5mm
JP2
220V
U2
LM317T
3
1
2
VIN
A
D
J
VOUT
+12V
RY1
RY -12W-K
R3
47K
D1
B240
R7
8K F
C1
0.1uF
+12V
R2
2K F
+
C5
470/50V
R8
4K F
R5
3.3/2W
R4
1K
R1
10K F
C4
0.1uF
JP1
110V
CN7
5264-05
1
2
3
4
5
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6. P.C.B DIAGRAM
(1) MAIN P.C.B
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(2) Charger P.C.B
(4) CHG P.C.B
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