Yokogawa µR20000 Instrukcja Użytkownika Strona 10
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Oceniono. / 5. Na podstawie oceny klientów
1-3
SM 04P01B01-01E
Principles of Operation
1
Display / Panel Keys
• Offers a variety of display types, with a fluorescent character display tube (VFD) of
101 dots (horizontal) x 16 dots (vertical).
• Seven keys are available for operation and settings.
• White LEDs are installed for illuminating the z-fold chart paper. The LED can be
replaced.
Power Supply
A universal type power supply unit supplying a voltage of 100 V to 240 VAC at a
frequency of 50/60 Hz. The fuse is built in and cannot be replaced.
CPU
The following diagram shows the structure of the CPU Assembly.
DRAM ASIC
I/O interface
SRAM FLASH
memory
Battery Real time clock
CPU
• FLASH memory
The following are saved on the Flash ROM.
• Programs
• Ribbon shift adjustment data (dot model)
• Pen servo adjustment data (pen model)
• The mac address and related data
• System configuration data
• SRAM
The following are saved on the SRAM.
Data deleted in the RAM Clear process (backed up by battery)
• Zero/Span position
• Hysteresis adjustment data (dot model)
Data deleted in the RAM Clear process
• User settings (input range, etc.)
• Battery
A lithium battery. Backs up the SRAM and real time clock.
• ASIC
Contains interface functions for the motor and actuator, A/D converter, display, panel
key, and other items. Controls the pen servo mechanism.
• CPU and DRAM
Firmware is installed from flash memory to the DRAM. The CPU operates according
to the program in the DRAM.
1.1 Principles of Operation
- SM 04P01B01-01E 1
- Important Notice to the User 2
- Trademarks 2
- Introduction 3
- Exemption from Responsibility 4
- Overview of This Manual 5
- Contents 6
- Chapter 4 Adjustments 7
- Chapter 7 Replacing Parts 7
- 1.1 Principles of Operation 8
- A/D Converter 9
- Pen Servo (Pen Model) 9
- Plotter (Pen Model) 9
- Display / Panel Keys 10
- Power Supply 10
- Failure Analysis Procedures 11
- Flow Chart 11
- 2-2 SM 04P01B01-01E 12
- 2-3SM 04P01B01-01E 13
- Troubleshooting 13
- 2.2 Performance Test 13
- 3.1 Acceptance Test 14
- 3.2 Self Diagnostic Test 15
- 3.3 Performance Tests 16
- 3-5SM 04P01B01-01E 18
- 3.3 Performance Tests 18
- 3-6 SM 04P01B01-01E 19
- • Ink Bleed (Dot Model) 20
- 3.4 Test Procedures 21
- Withstand Voltage 22
- Measurement Accuracy 22
- Channel-to-Channel Error 24
- Burnout Detection 24
- key’s action 25
- Enter 2 ESC, Out 26
- Frequency 26
- Recording Accuracy 27
- Dead Band (Pen Model) 28
- Pen Offset (Pen Model) 28
- Ink Bleed (Dot Model) 29
- Overscale Amount 29
- Relay Contact Output 29
- Remote Status 30
- 4.1 Foreword 32
- Adjusting the A/D Converters 33
- SM 04P01B01-01E 4-3 34
- Adjusting the Pen Speed 35
- Mode=End 36
- End=Store 36
- Menu=End 36
- Menu=Pos Adjust 36
- Pen No.=1 37
- -45/15(B:3026) 37
- Menu=A/D Adjust 39
- Password= 39
- Range=20mV 39
- A/D No.=1 39
- Purple Red 40
- P_Adj=Hysteresis 41
- Hysteresis=-2 41
- P_Adj=Zero 41
- SM 04P01B01-01E 4-11 42
- B8801AB DOT 43
- Schematic Diagram 44
- Chapter 5 Schematic Diagram 44
- SM 04P01B01-01E5-2 45
- Complete Set 47
- Chart Cassette Assembly 48
- Pen Frame Assembly 49
- Case and Back Panel Assembly 51
- Terminal Assembly (1/3) 52
- Terminal Assembly (2/3) 53
- Terminal Assembly (3/3) 54
- Standard Accessories 55
- Made in China 56
- Dot Frame Assembly 59
- Dot Printer Assembly 60
- *1 Part number: B9565AW 65
- (1 chart /unit) 65
- 7.1 Introduction 66
- 7.2 Replacable Parts 67
- 7.3 Disassembly 68
- EMC Earth Bracket 69
- CPU Assembly 69
- Joint PCB 70
- Motor Assembly 71
- Disp. FPC Cover 72
- SM 04P01B01-01E7-8 73
- Ribbon Holder Assembly 74
- ● Dot Model 76
- Lever Assembly (B9901EK) 76
- Carriage Assembly (B9963CL) 77
- ● Pen Model 79
- Pen Servo Assembly (B8800FG) 79
- SM 04P01B01-01E 7-15 80
- Pulley Bearing (B9900RP) 82
- Carriage Assembly (B8800DJ) 83
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