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PDF ZA8 Data sheet ( Hoja de datos )
| Número de pieza | ZA8 | |
| Descripción | Zirconia Oxygen Analyzer Manual | |
| Fabricantes | Yokogawa | |
| Logotipo |  |
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Instruction
Manual
ZA8 Zirconia Oxygen Analyzer
IM 11M6A2-YIA
2nd Edition, February 1999
Printed in U.S.A.
Free Datasheet http://www.datasheetlist.com/
1 page  
TABLE OF CONTENTS
X. TROUBLESHOOTING ................................................................................................................ 143
10.1 Error Code Descriptions ......................................................................................................... 143
10.1.1 Types of Error Codes ................................................................................................. 143
10.1.2 Causes of "E-1 Sensor (Cell) Failure" and Procedure for Restoration....................... 144
10.1.3 Causes of "E-2 Sensor Temperature Error (Low)" and Procedure for Restoration.... 145
10.1.4 Causes of "E-3 Sensor Temperature Error (High)" and Procedure for Restoration ... 146
10.1.5 Causes of "E-4 A/D (Analog Circuit) Failure" and Procedure for Restoration.......... 148
10.1.6 Causes of "E-5 Calibration Value Error (Zero)" and Procedure for Restoration ....... 148
10.1.7 Causes of "E-6 Calibration Value Error (Span)" and Procedure for Restoration....... 149
10.1.8 Causes of "E-7 EMF Stabilization Time Over" and Procedure for Restoration ......... 150
10.1.9 Causes of "E-8 ROM and RAM Failure" and Procedure for Restoration ................. 150
10.1.10 Causes of Display Disappearance (Data Display) and Procedure for Restoration .... 150
10.2 Measures When Measured Value Shows and Error ................................................................ 151
10.2.1 Measured Value Higher Than True Value .................................................................. 151
10.2.2 Measured Value Lower Than True Value ................................................................... 152
10.2.3 Measured Value Sometimes Show Abnormal Values ................................................. 152
XI. SPARE PARTS ......................................................................................................................... 153
11.1 Model ZO21D-L ..................................................................................................................... 153
11.2 Model ZO21P ......................................................................................................................... 154
11.3 ZA8C Spare Parts ................................................................................................................... 155
APPENDICES
Figures
Tables
.......................................................................................................................... A1
.......................................................................................................................... A1
.......................................................................................................................... A2
IM 11M6A2-YIA
2nd edition, February 1999
iv
Free Datasheet http://www.datasheetlist.com/
5 Page 
SPECIFICATIONS
Message Display:
Dot matrix LCD, 40 characters
Group A (1st level)
A-0 Analog bar-graph, output range, preset alarm output value
A-1 Maximum and Minimum oxygen concentration within a specified time
interval
A-2 Average oxygen concentration within a specified time interval
A-3 Cell emf in mV
A-4 Cell temperature in ºF/ºC, Thermocouple emf in mV
A-5 Output current in mA, Output range in vol% O2
A-6 Year, month, date, hour, minute
A-7 Air ratio
Group B (2nd level)
B-0 History of the span calibration
B-1 History of the zero calibration
B-2 Cell response time in seconds
B-3 Cell internal resistance in ohms
B-4 Cell health status
B-5 Thermocouple cold junction temperature in ºF/ºC
B-6 Cell heater ON time
B-7 Dry oxygen concentration/Wet oxygen concentration
B-8 Exhaust gas temperature, combustion efficiency
NOTE: For Groups C through J, refer to Table 14 Configurable Items and their Defaults.
Analog Output:
Range:
Output:
Characteristic:
1 output point
Two ranges can be specified, each within 0 to 5, 100 vol% O2. (Range
switching may be local or remote by contact input.)
4 to 20 mA or 0 to 20 mADC; Maximum load resistance: 550Ω; Input/
Output isolated
Linear or Log (0.1 to 5, 0.1 to 10, 0.1 to 25, or 0.1 to 100 vol% O2 range)
Contact Output:
Contact capacity:
Relay status:
Three output points
30 VDC 2A, 250 VAC 2A: Resistance load
Normally energized or normally de-energized can be programmed. (The
contact status is selected with a jumper pin).
Application:
The following functions can be configured for contact outputs #1 to #3:
Errors
Entry in progress; Range switching instruction answer back; Warm-up in progress;
Calibration in progress; Blow back initiated; Calibration gas pressure low; Abnormal process
gas temperature
O2 Alarm Low-Low; Low; High-High; High
Relay output status (factory default configuration)
Contact Output #1 - NC (Relay coil is normally energized)
Contact Output #2 - NO (Relay coil is normally non-energized)
Contact Output #3 - NO (Relay coil is normally non-energized)
IM 11M6A2-YIA
Page 6
Free Datasheet http://www.datasheetlist.com/
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet ZA8.PDF ] | |
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