Sharp ER-A450T Support Question
Sharp ER-A450T Support Question
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Question posted by betterbusinessmachines on May 8th, 2014
The Rs232 Ports On My Ecr Have Stopped Communicating. How Can I Fix This?
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Related Sharp ER-A450T Manual Pages
Programmer Manual - Page 1
The contents are subject to be used
SHARP CORPORATION for after sales service only. PROGRAM (PGM2/PGM1) MODE 17 CHAPTER 3. OP X/Z, X1/Z1, X2/Z2 MODE 44
This document has been published to change without notice. SERVICE (SRV) MODE 1 CHAPTER 2. ELECTRONIC CASH REGISTER
MODEL ER-A450T
(For "U" & "A" version) SRV KEY : LKGIM7113BHZZ PRINTER : PR-45M
CONTENTS CHAPTER 1.
Programmer Manual - Page 7
... 38400
903-A
2
3
4
5
5
6
The communication speed with the ER-02FD is zero
Print Skip Print Skip
905-B
0
5
1
4
5
#905-C, D: Not used (Fixed at "00")
#903-D: 1. Type of date 1.... on X/Z report.
1. Tax is 19200 bps max.
#903-B, C: Not used (Fixed at "0") #901-B: 1. ECR data copy baud rate
1. Tax system Auto tax 1-4 & manual tax
CANADIAN TAX
901-B 05 6
#901-C:...
Programmer Manual - Page 17
...
X: 0 = English text 2 = French text
When this job is executed, below texts are connected by RS232. ER-A450T
Channel No. Channel No. [JOB#996, 998] RAM DATA BACKUP function (ECR ECR, ECR ER-02FD)
[JOB#996] RAM data send
All data
Send to ECR or ER-02FD
996
@/FOR
X
CA/AT (Baud rate setting:#903-A)
SBTL Send to the RS...
Programmer Manual - Page 39
...
C,D:Not used for Barcode reader No Channel No. (1 or 8)
A 0 1 or 8
B,C,D: Not used (Fixed at "000") X:3
A: Not used (Fixed at "0") X: 2
MRS = 0000
A: Channel No. The RANGE-2 type JOB# means "6 steps".
for Scale No .... 24 characters
MRS = "SPACE" "SPACE" "SPACE"
[JOB#2690]
THE ASSIGNMENT OF RS232 FUNCTION BY EACH DEVICE
0
2690
@/FOR
X
@/FOR
ABCD
SBTL
CA/AT
CAUTION: Do ...
Programmer Manual - Page 40
...X: Parity bit
X
Even
0
Odd
1
Non
2
Y: Stop bit
Y
2 bits
0
1 bit
1
Z: Transmission speed
Z
4800 bps
0
9600 bps
1
19200 bps
2
MRS = 1110(For ER-A6HS1)
[Job# 2710]
TAX TABLE PROGRAMMING
2710
@/FOR
...to 999.99
(This is 0. Channel No.: 0 = No connection 1 = Standard port 2 2-7 = Not used by the ECR at any one time. DEPRESSION OF THE ST KEY AT FOLLOWING POINTS WILL RESULT IN...
Service Manual - Page 1
... and performance of the set . This document has been published to be used
SHARP CORPORATION for maintaining the safety of the set . SERVICE MANUAL
ELECTRONIC CASH REGISTER
MODEL ER-A450T
SRV Key : LKGIM7113RCZZ PRINTER : PR-45M
("U" and "A" version)
CAUTION EXTREME CAUTION MUST BE TAKEN WHEN SERVICING THIS MACHINE. WHEN THE MODE SWITCH IS IN...
Service Manual - Page 5
.... If you want to connect an RS232 device to the ECR with the No.9 pin of the port 1 (or 2) set to +5V, make sure the AC cable of the SW2 (initial value: /CI signal)
NOTE:
Optional bar code reader: When connecting an ER-A6HS1, connect it to the Port 1 (or 2) and switch the No.9 pin...
Service Manual - Page 9
CHAPTER 4. HARDWARE DESCRIPTION
1. Hard ware block diagram
DRAWER
CPU
STA NDARD RAM1 256KB
OPTIONAL RAM2 ER-03RA:512KB 512KB
TPRC1
GATE ARRAY MPCA7
PRINTER PR-45M
OPC2
STA NDARD ROM 512KB
CKDC8
RS232 I/F
1 ports
OPERATER DISPLAY 1 LINE 7SEG 10DIG CUSTOMER DISPLAY 1 LINE 7SEG 7DIG
SWITCH
KEY BOARD
RS232 I/F CH1
Fig. 1-1
4 - 1
Service Manual - Page 11
... P17 P16 P15 P14 P13 P12 P11 P10 Port 2
2) Block diagram
Data bus
Port 1
EXTAL XTAL X E
MD2 MD1 MD0...running timer x 2ch
8bit timer
Serial communication interface x 2ch
Port 8
Port 7
Port 6
Data bus (Lower) Data bus (Upper) Address bus Address bus
Port 4
Port 3
P27/A23 P26/A22 P25/A21...BACK WAIT
P47 FTI2 P45 FTI1 P43 P42 P41/TMCI P40
Port 5
TXD2 RXD2 TXD1 RXD1 SCK2 IRQ2 IRQ1 IRQ0
P73 AN2 ...
Service Manual - Page 12
...P56 72 P57 73 P60
/NEJ NU /NER VSS TRG1 /PSTOP /CKDCR2 OPDS FVPON FMRS /SLIPLMP /STOP /ERS
74 P61 75 P62 76 P63 77 P64
/DRS /CSS /CDS /RR
78 P65
/RSS
79...OUT
ER signal for RS232 (Equipment Ready)
IN DR signal for RS232 (Data set Ready)
IN CS signal for RS232 (Clear to Send)
IN CD signal for RS232 (Carrier Detect)
OUT
RR signal for RS232 (Ready to Receive) (Nu)
OUT
RS signal for RS232 ...
Service Manual - Page 24
...off program to save the data in the CPU registers in most cases.
2) CKDC8 oscillation circuit
40 X2...19MHz which is monitored at a time of the ECR, the power supply condition is primarily used during power...159 160 I ID IS ISU IO 3S ON6
Name
ER-A770
I/O
VCC
VCC
GND
GND
/CSD
VCC
IS...TTL Schmidt input
TTL Schmidt input with the signal STOP forced low to prepare for the power-off and ...
Service Manual - Page 29
... STH SCK RESET
HTS STH SCK RES1
CPU
P11 P10 P12 RES
LDRQ ERC SHEN
P-OFF
LDRQ ECR SHEN
POFF VDD
RES0
RES0
ST0~ST7 KR0~KR7 KR10,KR11 Key board
G1~G10 a~g,DP
Display
...performs a mode scan and key scan at and reads the start condition (1 byte). After being cancelled, the CPU initializes each port, the CPU reads the start condition. Step No.
1 2 3 4
A ON ON OFF OFF
Phase
B
C
OFF
OFF...
Service Manual - Page 38
... first
8) Line level:
RS232 level
9) Data forma:
LSB
MSB
b1 b2 b3 b4 b5 b6 b7 P
Start bit
FIg. 2-1
Parity bit
Stop bit
3. General
RAM data can be transmitted in the following two methods. Save the data before servicing as follows:
ECR ECR
• Cable: 9 pin D-SUB - 9 pin D-SUB
ECR
ECR
Fig. 1-1
ECR
ER-02FD
• Cable: 9 pin...
Service Manual - Page 39
...transfer of the cable. END record
30 30 30 30 2
34
1
End message: Fixed to be transmitted in ASCII number. Application specification
The following format:
1
2
Data (... : FRAME GROUND
Fig. 3-2
4. Data format
A single byte image of the memory to 30303030. ECR-ER-02FD cable 25PIN D-SUB ER-02FD
SD
2
9PIN D-SUB ECR
3
SD
RD
3
RTS
4
DCD
8
2
RD
7
RTS
1 DCD
DTR
20
4
DTR
...
Service Manual - Page 41
... the RS-232 interface of the ER-A450T to "9"
2 ALL RAM Data UpLoad ( ER-A450T -> PC )
3 "Execute "02FD.EXE" on ER-A450T side
2 Place the SRV key in the SRV mode.
4 Set the Communication method by RS232. side
1 Install "02FD.EXE" on P.C. Push "OK" Button.
5 Push "POS -> PC" Button. And Select the Receiving File.
6 - 4 ER-A450T
No
Procedure on the P.C. Channel...
Service Manual - Page 43
...E33 The current cashier code should not be taken when removing the TOP CABINET
After removing the ER-A450T's TOP CABINET, put the TOP CABINET upright on the base, as shown below . Replace joumal...within a limit of undefined vendor coupon UPC
E86 Communication error at ECR copy
E87 Data format error at ECR copy
E88 Time out error at ECR copy
E94 Age verification error
2. E08 Insert slip...
Dealer Knowledge Book - Page 3
RECOMMENDED SEQUENCE FOR THE ER-A450T SETUP
1. Optional RAM, etc.) prior to the applicable Service Manual)
3. Designs and... to the settings for the desk top, communications ports, etc. Introduction
INTRODUCTION
This document will help you are subject to change without notice. This documentation assumes that will make your programming sessions by executing one of the ER-A450T Scanning ECR.
Dealer Knowledge Book - Page 8
...
@/ FOR
CA/AT
4 SBTL (Auto baud rate detection - SRV job#903-A)
Designs and specifications are subject to port-2 (Channel #1) of the ER-A450T as shown below:
X
Channel No.: Port 1(CH8)
Channel No.: Port 2(CH1)
3 When using the SIO Function. (1) Connection at the ER-A450T; The Program Back up/Restore (SIO) function has been fixed to change without notice.
Dealer Knowledge Book - Page 13
... specifications, the image will automatically appear so to verify the settings as follows; (1) Select the required Baud Rate, Protocol and Communications port for the PC.
(When the [ CA/AT ] is used at the ER-A450T)
(When the [ SBTL ] is the correct graphics, then click the [ Send ] button to initiate sending the image to the...
Dealer Knowledge Book - Page 18
...SIO(Manual) Com Port: Com1 or Com2... correct one and click [ Send ]
9 Set the communications settings as follows; Step
PC Side
1 Connect the PC to the ER-A450
Step
ER-A450T Side
2 Set SRV Job #903-A: "6" (38,400... bps )
3 Set SRV job #912-D: "1, 2, 4, or 5"
4 Launch the LOGOCONV.exe at the PC
5 Select Send LOGO1 or LOGO2 to the ECR...
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