Sharp XE-A201 User manual

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SHARP CORPORATION
qSERVICE MANUAL
CODE :
CONTENTS
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00ZXEA201UCSE
ELECTRONIC CASH
REGISTER
MODEL XE-A201
XE-A201UC
(For "U" & "A" version)
XE-A201
ONLINE COMMUNICATION FUNCTION
CHAPTER 1.
CHAPTER 2.
CHAPTER 3.
CHAPTER 4.
CHAPTER 5.
CHAPTER 6.
CHAPTER 7.
CHAPTER 8.
OVERVIEW......................................................................................
SYSTEM CONFIGURATION...........................................................
INTERFACE SPECIFICATIONS......................................................
SIGNAL CONNECTION DIAGRAM.................................................
ONLINE PROTOCOL.......................................................................
CONTROL SIGNAL SEQUENCE....................................................
TEXT BLOCK FORMAT................................................................
ONLINE APPLICATION................................................................
1
1
1
1
2
7
10
11

XE-A201UC
– 1 –
CHAPTER 1. OVERVIEW
1. GENERAL
This is a specification of the on-line data communication via RS-232
interface.
It enables the ECR to perform on-line communication.
For on-line data communication a ECR can be connected to a host
computer.
We support mainly the following functions.
a) The function of ONLINE
1) Down load of ECR data (ECR 1PC)
2) Up load of ECR data (ECR 3PC)
3) RJE (Remote job entry) function (ECR 1PC)
CHAPTER 2. SYSTEM
CONFIGURATION
1. GENERAL
Online data communication is allowed always.
2. ONLINE DATA COMMUNICATION
In this machine, the type of data communication is “Direct connection”
only.
(a) Direct connection
CHAPTER 3. INTERFACE
SPECIFICATION
1. ONLINE INTERFACE
a) Interface : RS-232
b) Duplex type : Half-duplex / Full-duplex
c) Line configuration : Direct connection/Modem connection
d) Data rate : 19200, 9600, 4800 and 2400 bps
(Programmable)
e) Synchronizing mode : Asynchronous
f) Parity check : Vertical parity check (odd)
g) Code : ASCII
h) Bit sequence : LSB first
i) Data format : 1 start bit + 7 data bits + 1 parity +
1 stop bit
j) Protocol : Polling/selecting (Simple procedure)
k) Transmission:
Cable : Shielded cable
Connector (ECR side): D-sub 9 pin (female type) connector Inch
pitch (4-40 UNC) lock screw
Connector cover : Shielded cover
CHAPTER 4. SIGNAL CONNECTION
DIAGRAM
1. CONNECTION BETWEEN THE MASTER
(HOST) AND SATELLITE
This cable is supported as the standard cable with ECR.
SD : TRANSMITTED DATA
RD : RECEIVED DATA
DTR : DATA TERMINAL READY
DSR : DATA SET READY
RTS : REQUEST TO SEND
DCD : DATA CARRIER DETECTOR
CTS : CLEAR TO SEND
Host computer ECR
Data-bit Parity-bit Stop-bit
b1 b2 b3 b4 b5 b6 b7
P
Start-bit
SD 3 SD
RD
CTS
RD
2
6
8
3
2
6
8
55 SG
RTS
7
DCD
1
DTR 4
DSR
7
1
4
CTS
SG
RTS
DCD
DTR
DSR
9PIN D-SUB 9PIN D-SUB

XE-A201UC
– 2 –
CHAPTER 5. ONLINE PROTOCOL
1. BASIC PROTOCOL SPECIFICATION
1) Data transmission from the host to a satellite
ACK
EOT
( 4 ) Receives ACK.
( 5 ) Sends the text.block.
( 7 ) Resends the text block if NAK is received.
Resends the text block up to two times.
Sends EOT and terminates the operation
with error if NAK is still received after the
second resending of text block.
( 9 ) Sends the next text if ACK is received and
sends EOT and terminates the operation if
data transfer is finaiized.
( 2 ) Receives ENQ.
Check the terminal No.
to see if it is its own.
( 3 ) Sends ACK.
( 6 ) Receives text.
Checks the check sum,text
data,etc. And goes to (8)
if there is no error in them.
( 8 ) Sends ACK.
( 10 ) Terminates the operation if EOT
is received.
ENQ
Host Satellite
Dummy
(3bytes) Terminal No. (6bytes)
Start code Text (parameter) End code
Text (FDS)
Text (DATA)
Three types of
text block formats
are available
NCK
ACK
( 8 )' Sends NAK if any error
occurs.
( 1 ) Inquires of the satellite.

XE-A201UC
– 3 –
2) Data transmission from satellite to the host
ACK
EOT
( 4 ) Receives ACK.
( 5 ) Sends the text.block.
( 7 ) Resends the text block if NAK is received.
Resends the text block up to two times.
Sends EOT and terminates the operation
with error if NAK is still received after the
second resending of text block.
( 9 ) Sends the next text if ACK is received and
sends EOT and
( 2 ) Receives ENQ.
Checks the terminal No.
to see if it is its own.
( 3 ) Sends ACK.
( 6 ) Receives text.
Checks the check sum,text
data,etc. And goes to (8)
if there is no error in them.
( 8 ) Sends ACK.
( 10 ) Terminates the operation if EOT
is received.
ENQ
Host Satellite
Dummy
(3bytes) Terminal No. (6bytes)
NAK
ACK
( 8 )' Sends NAK ifany error
occurs.
ENQ
ACK Continued on the
next page
Start code Text (parameter) End code
waits for ENQ.
( 1 ) Inquires of the satellite.

XE-A201UC
– 4 –
2. TRANSMISSION CONTROL PROCEDURE MATRIX
1) Down-loading matrix for the host
Time-up: One second after sending of ID ENQ.
Four seconds after sending of text.
( 15 ) Sends ACK.
( 17 ) Terminates the operation if EOT is received.
( 12 ) Sends text corresponding
to the job code.
( 14 ) Resends text block if NAK is received.
Resends text up to two times,and
performs error handling if NAKis still
received after the second resending
of text block.
Host Satellite
EOT
Continued from the
preceding page.
Start code Text (FDS) End code
Text (DATA)
Two types of
text block
formats are
available.
NAK
(When an error
occurs)
ACK
Note : For the description of
each data block see section
4 (Text block formats)
( 13 ) Receives text.
Checks the check sum, text length, text data, etc.
And goes to (15) if there is no error in them.
Sends NAK if any error occurs.
( 16 ) Sends the next text if ACK is received,
and sends EOT and terminates the
operation if data transfer is finalized.
STATE Initial After sending ID ENQ After sending text
EVENT 0 1 2
ENQ ...
ACK .
Sends text and goes to 2. Sends text and goes to 2.
Sends EOT and then goes to 0.
(Normal end)
NAK ..
Resends the text and then goes to 2.
If the host has resent the text two times, it
sends EOT and goes to 0.
(ERROR END)
EOT ..
The host goes to 0.
(ERROR END)
TEXT ...
TIME-UP .
Resends ID ENQ and then goes to 1.
If the host has resent ID ENQ two times, it
sends EOT and goes to 0.
(ERROR END)
Resends the text and then goes to 2.
If the host has resent the text two times, it
sends EOT and goes to 0.
(ERROR END)
KEY ENTRY Sends ID ENQ and goes to 1. ..

XE-A201UC
– 5 –
2) Up-loading matrix for the host
Time-up: One second after sending of ID ENQ.
Four seconds after sending of text.
Time-up: Two second after sending of EOT.
3) Down-loading matrix for the satellite
STATE Initial After sending ID ENQ After sending text
EVENT 0 1 2
ENQ ...
ACK .Sends text and goes to 2. Sends EOT and goes to 3.
NAK ..
Resends the text and then goes to 2.
If the host has resent the text two times, it
goes to 0.
(ERROR END)
EOT ..
The host goes to 0.
(ERROR END)
TEXT ...
TIME-UP .
Resends ID ENQ and then goes to 1.
If the host has resent ID ENQ two timesit
goes to 0.
(ERROR END)
Resends the text and then goes to 2.
If the host has resent the text two times, it
goes to 0.
(ERROR END)
KEY ENTRY Sends ID ENQ and goes to 1. ..
STATE After sending EOT After sending ACK After sending NAK
EVENT 3 4 5
ENQ
Sends ACK and goes to 4. After the host has received ENQ, resends
ACK and goes to 4.
After the host has received TEXT, ignores
the ENQ.
.
ACK ...
NAK ...
EOT
The host goes to 0.
(ERROR END) After the host has received TEXT, goes to 0. (Normal end)
After the host has received ENQ, goes to 0.
(ERROR END)
The host goes to 0.
(ERROR END)
TEXT .
The host checks the text block, if the block is
correct, the host sends ACK and goes to 4.
If is not correct, the host sends NAK and
goes to 5.
If transmission cannot be continued, the host
sends EOT and goes to 0.
The host checks the text block, if the block is
correct, the host sends ACK and goes to 4.
If is not correct, the host sends NAK and
goes to 5.
If transmission cannot be continued, the host
sends EOT and goes to 0.
(ERROR END)
TIME-UP
Resends EOT and goes to 3.
If the host has resent the EOT two times, it
goes to 0.
(ERROR END)
The host goes to 0.
(ERROR END)
Time-up is 7 seconds
The host goes to 0.
(ERROR END)
Time-up is 7 seconds
KEY ENTRY ...
STATE Initial After sending ACK After sending NAK
EVENT 0 1 2
ID-ENQ
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If is not correct, Satellite ignores the ID-
ENQ.
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If it is not correct, Satellite ignores the ID-
ENQ.
.
ACK ...
NAK ...
EOT .
After satellite has received TEXT, goes to 0.
(Normal end)
Before satellite has received TEXT, ignores
the EOT
Satellite goes to 0.
(ERROR END)
TEXT .
Satellite checks the text block, if the block is
correct, Satellite sends ACK and goes to 1.
If it is not correct, satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
Satellite checks the text block, if the block is
correct, Satellite sends ACK and goes to 1.
If it is not correct, satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
TIME-UP .
Satellite sends EOT, and goes to 0.
(ERROR END)
Time-up is 7 seconds
The host goes to 0.
(ERROR END)
Time-up is 7 seconds

XE-A201UC
– 6 –
4) Up-loading matrix for the satellite
Time-up: Four seconds after sending of text.
Two second after sending of ENQ.
STATE Initial After receiving ID-ENQ and sending ACK. After sending NAK
EVENT 0 1 2
ID-ENQ
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If it is not correct, satellite ignores the ID-
ENQ.
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If it is not correct, satellite ignores the ID-
ENQ.
.
ACK ...
NAK ...
EOT ..
Satellite goes to 0.
(ERROR END)
TEXT .
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, Satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, Satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
TIME-UP .
Satellite goes to 0.
(ERROR END)
Time-up is 7 seconds
Satellite goes to 0.
(ERROR END)
Time-up is 7 seconds
STATE After receiving text and sending ACK After sending ENQ After sending TEXT
EVENT 345
ID-ENQ ...
ACK .
Satellite sends the text and goes to 5. Satellite sends the text and goes to 5, or
sends the EOT and goes to 0.
(Normal END)
NAK ..
Resends the text and then goes to 5.
If satellite has resent the text two times,
sends EOT and goes to 0.
(ERROR END)
EOT
Satellite sends ENQ and goes to 4. Resends the ENQ and then goes to 4.
If satellite has resent the ENQ two times,
sends EOT and goes to 0.
(ERROR END)
Satellite goes to 0.
(ERROR END)
TEXT
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
..
TIME-UP
The host goes to 0.
(ERROR END)
Time-up is 7 seconds
Resends the ENQ and then goes to 4.
If satellite has resent the ENQ two times,
sends EOT and goes to 0.
(ERROR END)
Resends the text and then goes to 5.
If satellite has resent the text two times,
sends EOT and goes to 0.
(ERROR END)

XE-A201UC
– 7 –
CHAPTER 6. CONTROL SIGNAL SEQUENCE
1. ONLINE TRANSMISSION
1) Half duplex transmission
2) Full duplex transmission
3) Line connection sequence flow
DATASD
DTEDCE
DATARD
RTS
CTS
DSR
DCD
DTR
< 100ms
DATASD
DTEDCE
DATARD
RTS
CTS
DSR
DCD
DTR
< 100ms
STARTED BY P.C
INITIAL
DTR ON
DSR ON ?
FULL DUPLEX ?
RTS ON
LINE ESTABLISHED
NO
NO
YES
YES

XE-A201UC
– 8 –
4) Transmission sequence flow
LINE ESTABLISHED
FULL DUPLEX ?
DCD OFF ? TIME OUT ?
RTS ON
DSR ON ?
FULL DUPLEX ?
DCD ON ?
CTS ON ?
TIME OUT ?
TIME OUT ?
YES
YES
YES
NO NO
5 sec
YES
YES
YES
YES
YES
NO
30 sec NO
YES
7 sec (Programmable)
TXRDY ?
SEND 1 CHARACTER
MORE TO
SEND ?
FULL DUPLEX ?
WAIT 100ms
FULL
DUPLEX ?
RTS OFF
LINE ESTABLISHED
TRANSMIT ERROR
NO
YES
YES
YES
YES
LINE ESTABLISHED
RTS OFF
DTR OFF
RTS OFF

XE-A201UC
– 9 –
5) Receiving sequence flow
LINE ESTABLISHED
DSR ON ?
DCD ON ?
RXRDY ?
READ 1 CHARACTER
EOT ?
ENQ ?
ACK ?
HALF
DUPLEX ? TIME OUT ?
TIME OUT ?
SEND TEXT
LINE ESTABLISHED
RECEIVE ERROR
AFTER
RECEIVE
ER-OFF
COMMAND
NO
NO
NO
NO NO
NO
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
ID. ENQ ∞
ACK or
NAK 4 sec
TEXT 7 sec
END CODE
NAK ?
BUFFER FULL ?
LINE ESTABLISHED
DTR OFF
RTS OFF
DSR OFF
INITIAL
YES
YES
YES
YES
YES
NO
30sec
DTR OFF
RTS OFF

XE-A201UC
– 10 –
CHAPTER 7. TEXT BLOCK FORMAT
1. BASIC FORMAT
Start code : This code may not be provided.
Null is impermissible.
End code : This code may not be provided.
Null or any same code as the start code is
not permissible.
When master reset is performed, the default is assumed:
Start code = 02h
End code = 0Dh
Block consecutive No.: This number starts with 30h and cycles
like this: 30h, 31h .39h, 30h, 31h
(Ring counter system)
Check sum : 2 bytes hex number
Low-order 8-bit data of the complement of
2 for the sum of text data.
RAM data : Even number of data that is obtained by
dividing one byte of RAM data into high-
order 4 bits and low-order 4 bits and con-
verting them to ASCII codes shown in the
code conversion table.
Code conversion table.
1) ID-ENQ : 10bytes
ENQ code (05h)
Terminal No. 000001-999999 (6 bytes)
EOT is set as dummy cahracters. (3 bytes)
2) ACK : 1 byte 06h
3) NAK : 1 byte 15h
4) EOT : 1 byte 04h
5) ENQ : 1 byte 05h
6) TEXT :
Data ASCII (max. 1000 bytes)
Block consecutive No.
Start code
End code
Check sum
Print code (high-order or low-order 4 bits) Line image
Bit image Hexadecimal ASCII
0000 0 30h
0001 1 31h
0010 2 32h
0011 3 33h
0100 4 34h
0101 5 35h
0110 6 36h
0111 7 37h
1000 8 38h
1001 9 39h
1010 A 41h
1011 B 42h
1100 C 43h
1101 D 44h
1110 E 45h
1111 F 46h
Example
Memory image
Line image
02 5A F0
1 2 3
30h 32h 35h 41h 46h 30h
Transmission sequence
1 23

XE-A201UC
– 11 –
CHAPTER 8. ONLINE APPLICATION
1. ONLINE PRESET
1. PGM Preset
[JOB #30] MRS = 000001
Programming of the terminal number
PGM mode
[JOB #31] MRS = 00
Programming of the transmission control
If the specification of direct connection is used, this programming must
be not changed.
PGM mode
31-A: Not used
[JOB #32] MRS = 05
Programming of the transmission data rate (Baud rate)
PGM mode
[JOB #33] MRS = 002013
Programming of the start end code
If “000” is specified for each of the codes, the data block is provided
with neither the start code nor the end code.
PBM mode
When master resetting is taken, “002013” is specified.
This means that the data block is provided with the start code 02h
(STX) and the end code 0Dh (CR).
Enter both the codes in decimal digits.
Any figures greater than 127 can not be specified for start and end
codes.
[JOB #35] MRS = 007
Programming of the timeout time
PGM2 mode
Job # PGM-MODE programming for online operation
30 Programming of the terminal number
31 Programming of the transmission control
32 Programming of the baud rate
33 Programming of the start and end code
35 Programming of the timeout time
31-B: Transmission line form 31-B
Half duplex system 1
Full duplex system 0
30 XXXXXXX
XXXXXX :Terminal number
STST TL
000000
MRS = 000001
It is set to "000001" when master resetting is taken.
31 XAB STST TL
00
32-A: Transmission data 32-A
Print data send 1
RAM data download and upload 0
32-B: Transmission baud rate 32-B
2400 bps 6
4800 bps 5
9600 bps 4
19200 bps 3
32 XAB STST TL
33 XXXXYYY
XXX : Start code
YYY : End code
STST TL
000000
35 XXXX
XXX :Time out time (1-255 sec)
STST TL

2001 October Printed in Japan t
SHARP CORPORATION
Information Systems Group
Quality & Reliability Control Center
Yamatokoriyama, Nara 639-1186, Japan
q
COPYRIGHT ã2001 BY SHARP CORPORATION
All rights reserved.
Printed in Japan.
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted.
In any form or by any means,
electronic, mechanical, photocopying, recording, or otherwise,
without prior written permission of the publisher.
XE-A201UC
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