Campbell 21X Instrukcja Operatora Strona 153
- Strona / 191
- Spis treści
- BOOKMARKI
Oceniono. / 5. Na podstawie oceny klientów
SECTION
13. 21X
MEASUREMENTS
*Vx
3
Wire
Half Bridge
Differential
Measurement
with Excitation
6
Wire
Full Bridge
or
4 Wire
Half
Bridge
Compensates
for
lead
wire
resistance,
assuming
resistance
is
same
in
both
wires.
Two single-ended
measurements
at each
excitation
polarity.
Ratiometric
output.
Makes a
ditferential
measurement
without
reversing excitation
polarity
or switching
inputs. Used
for fast
measurements
on
load
cells,
PRTs etc.
Resolution and
common
mode rejection
worse
than 6
if used with
delay=g.
Measured
voltage
output.
Compensates
for lead
wire
resistance.
Two
differential
measurements
at each
excitation
polarity.
Ratiometric
output.
I
123456
Time
(milliseconds)
FIGURE
13.5-2.
Excitation
and
Measurement
Sequence
for
4
Wire
Full
Bridge
TABLE
f
3.5-1.
Comparison of
Bridge
MOasurement Instructions
lnstr. CircUit
Description
AC Flalf Bridge
4 Wife
Full
Eridge
Calculating
the actual resistance
of a sensor
which
is one of the legs of a
resistive bridge
usually
requires
the
use of one
or two
Processing
Instructions in addition
to the bridge
measurement
instruction. lnstruction 59
takes
a
value, X,
in
a
specified input location
and
computes
the
value
M)U(1-X),
where
M is the
multiplier and
stores
the
result
in
the
original
location. lnstruction 42 computes
the
reciprocal
of
a value
in
an
input location.
Table 13.5-2
lists
the
instructions used to compute
the
resistance of any single
resistor shown
in the
diagrams
in Figure 13.5-1,
provided
the
values
of
the other
resistors in the bridge
circuit
are
known.
DC
Flalf Bridge
User
entered
settling
time
allows
compensation
for
capacitance
in long
lead
lengths.
No
polarity
reversal.
One single-
ended
measurement.
Measured
voltage
output.
Rapid
reversalof
excitation
polarity
for
ion
depolarization.
One
single-ended
measurement
at each
excitation
polarity.
Ratiometric
output.
Slightly
lower
noise than
9.
One differential
measurement
at each
excitation
polarity.
Ratiometric
output.
13-17
- 21X MICROLOGGER 1
- OPERATOR'S 1
- CopynlcHT 1
- GAI\/ 2
- SiCIEN'rIFIC 2
- OPT1ONS 3
- 1. FUNCTIONAL 4
- 2. INTERNAL 4
- 4. EXTERNAL 4
- 5. TELECOMMUNICATIONS 4
- PROGRAMMING 5
- EXAMPLES 5
- GLOSSARY 6
- TABLE 6
- I SELECTED 7
- CAUTIONARY 8
- MICROLOGGER 9
- OVERVIEW 9
- I contain 9
- OVl-z. 21X Wiring 10
- 1. Input 11
- OV2-1. lnstruction Types 12
- 2. PROCqS$NG TNSTRUCTTONS 13
- OV3. PROGRAMMING 14
- 2. Enter 15
- 3. Loaded from 16
- (lD:Data) 17
- 21 .234oC 18
- Ffalstorage 19
- 0. The Output Flag is 22
- 1. On-line output 23
- 96 Inst. 96 24
- RETRIEVAL 25
- SPECIFICATIONS 26
- 1. FUNCTIONAL 27
- A PROGRAM 28
- COMPILING 29
- LOGGING 29
- Intermediate Final 30
- A O4:XXXX 31
- "B 32
- A 01:0p 33
- 2hex) Discard current 35
- 3hex) Send signature 35
- 4hex) Load 35
- 5hex) Exit and 35
- 2\ The output array 36
- 0.000 +0.001 37
- . For example 38
- This is 39
- 1. microvolts 40
- 333. microvolts 40
- 3.7 USE 41
- 3.8 PROGRAM 42
- 1. A Subroutine 43
- 3. An 43
- 4. A case 43
- 3.9 INSTRUCTION MEMORY 44
- TEMP-RTD R 44
- SDM-CD16 6 44
- 41 z+EXP(x) 45
- 1+bins*R 46
- ERRORICODES 47
- EXTERNAL 48
- STORAGE 48
- PERIPHERALS 48
- Key ID:DATA 49
- A. Data transfer 50
- Drain 200mA typ./S 51
- Length C-60 recommended 51
- Quality 51
- CABLES ] 52
- 3. Insert 53
- I 54
- 4, An illegal character 55
- Iffi l:ff itffi 56
- REMOTE PROGRAMMING 57
- 5. TELECOMMUMCATIONS 57
- PIN SERIAL 59
- PIN ABR UO 59
- 6.2 ENABLING 60
- 6.3 INTERRUPTING 60
- 6.5 INTERFACING WITH 60
- ABR YO FUNCTION 61
- 7 DATA BITS 62
- I AT IPS-2's and 63
- 7.2 DATALOGGER 64
- 7.3 THERMOCOUPLE 65
- 7.6 207 TEMPERATURE 66
- Thermocouple 66
- 02: P12 66
- TIPPING 67
- 1 P 3 68
- 5 0.254 68
- Temperature 69
- 7.10 1OO 69
- Temperature RTD 70
- R" 70
- 05: 5000 71
- ADJUSTABLE 72
- :calculated to 73
- P34 Z=X+F 73
- 7.15 NONLINEAR 74
- -218.76 75
- 55 Polynomial 76
- SpatialAverage 77
- 02: P92 78
- 8.3 USING CONTROL 79
- SETS 1_16 80
- Al Mode 81
- 02: 641 81
- Excite, Delay,Volt(S 82
- Temp 107 Probe 82
- TO 0.540 83
- DESCRIPTION 84
- M(V2) 38 85
- Block Move 86
- 0.'l 87
- 0.69215 88
- 02: 1024 89
- SII1ULATED 90
- 02; 2048 91
- 02". 2048 92
- ZLoc' 93
- 9. INPUT/OUTPUT 94
- 0.3 Hz to 1000 Hz 95
- Input locations altered: 1 97
- Input locatiQns altered: 98
- Input locations 99
- 9 Output 100
- TYPE DESCRIPTION 101
- 22 EXCITATION 102
- . Locations 1-20 103
- A Trigger 104
- 3. Entering 105
- (Parameters 106
- LOCATION, "** 108
- 40 LN(X) 109
- 46 x MOD F 110
- 54 BLOCK 111
- . The magnitude of 112
- 59 BRIDGE TRANSFORM 113
- 60 FAST 113
- 2X=Yag6ilude&Phase 114
- 10. PROCESSING 115
- 1.24H2 115
- F*1*19'*g'; 116
- *F*A/N<fi<i*F*A/N 116
- LOC. REPRESENTATIVE 117
- LOC. REPRESENT 117
- 126 50411024 or 1 117
- 2. The 21X 118
- 62 COVARIANCE/CORRELATION 118
- 1. Input Processing 119
- 2. Averaging 119
- 3. Output Processing 119
- 1. Means: 120
- I minute and one 120
- N' is 121
- Quadrant 121
- 11. OUTPUT 122
- 01: 2 Repetitions 123
- 02: 4 Starting input 123
- *" 124
- 2 Repetitions 125
- 4 Number 125
- 2 Form 125
- 78 SEll HIGH 126
- 80 SET ACTIVE 126
- Ct',1,t Cu,z cu,ru 127
- PROGRAM 129
- CONTROL 129
- 4 lteration count 130
- 10: P87 131
- NO. TYPE DESCRIPTION 132
- NO. TYPE 133
- ASCII 1 134
- Binary 2 134
- 0-RFModem 135
- 01: 4 Decimal 136
- 1 1200 136
- 2 9600 136
- 3 76.800 136
- SECTION 137
- 21X MEASUREMENTS 137
- Setup Amplifier Integrotion 138
- 13.3 THE 139
- Error Constants 140
- 1 3.3-1 1, respectively 140
- 8723 j 141
- 22 15 62 141
- Error 142
- 2) V" 143
- 5oo 18603 144
- Rr does 145
- 13.4 THERMOCOUPLE 146
- .--.--'-\ 147
- Junction 148
- Source Error 150
- 13.5 BRIDGE 151
- 5 v RANGE) 152
- (milliseconds) 153
- '1-X 154
- 13.6 RESIST 155
- Quiescent 156
- REQUIREMENTS 157
- 3. Typicalcurrent 157
- I alkaline 158
- MSX5 MSX10 159
- 14.5 DIRECT 159
- 14.7 USE 160
- 14.8 GROUNDING 160
- MAINTENANCE 161
- CALIBRATION 161
- 9. Lock 162
- 14. INSTALLATION 163
- *ffiqgffiililH 164
- A. GLOSSARY 165
- : A number which 167
- B. PROM SIGNATURES 168
- APPENDIX C 169
- TELECOMMUNICATIONS 169
- 00 00 00 170
- F 171
- C. BINARY TELECOMMUNICATIONS 171
- 51,S0 represent 172
- M represents 172
- C. BINARY 173
- APPENDIX 174
- ASCII TABLE 174
- E. CHANGING 175
- E.3 CHANGING 176
- F. DOCUMENTATION 177
- 3 Save Program on 178
- ""r-",=L 179
- ............8 180
- 14. INST 181
- "t=r",=L 182
- MEASUREMENTS 183
- 21X TNDEX 184
- 60] 10-6 185
- I nitiate Telecommunications 186
- 72j 11-3 189
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