Rockwell-automation 1771-N SERIES High Resolution Analog Module User M Manuale Utente Pagina 83
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Specifications A–3
Publication 1771ĆUM127B-EN-P - December 2002
Temperature Specifications
±100mV Thermocouple Input -5 to +55mV Thermocouple Input 1Ć650Ω RTD Input
Input Range
(selectable)
±105mV -5.5 to 56.0mv 4to650Ω
(
se
l
ec
t
a
bl
e
)
Type B: 300 to 1800
o
C (572 to 3272
o
F)
Type E: -270 to 1000
o
C (-454 to 1832
o
F)
Type J: -210 to 1200
o
C (-346 to 2192
o
F)
Type K: -270 to 1372
o
C (-454 to 2502
o
F)
Type R: -50 to 1768
o
C (-58 to 3214
o
F)
Type S: -50 to 1768
o
C (-58 to 3214
o
F)
Type T: -270 to 400
o
C (-454 to 752
o
F)
Type B: 300 to 1800
o
C (572 to 3272
o
F)
Type C: 0 to 2315
o
C (32 to 4199
o
F)
Type E: -20 to 735
o
C (-4 to 1355
o
F)
Type J: -37 to 966
o
C (-34 to 1770
o
F)
Type K: -71 to 1372
o
C (-95 to 2502
o
F)
Type N: -270 to 1300
o
C (-450 to 2372
o
F)
Type R: -50 to 1768
o
C (-58 to 3214
o
F)
Type S: -50 to 1768
o
C (-58 to 3214
o
F)
Type T: -73 to 400
o
C (-99 to 752
o
F)
100Ω Pt a=0.00385 European standard:
-200 to +870
o
C (-328 to +1598
o
F)
100Ω Pt a=0.003916 U.S. standard:
-200 to +630
o
C (-328 to +1166
o
F)
10Ω copper:
-200 to +260
o
C (-328 to +500
o
F)
120Ω nickel:
-80 to +320
o
C (-112.1 to +608
o
F)
Maximum Input Resolution
1
3.3µV/bit @ 15 bits with sign bit
Type E, J, K, T 0.1°C (0.2°F)
2
Type B, R, S: 0.3
o
C (0.6
o
F)
2
0.95µV/bit @ 16 bits unipolar
Type E, J, K, T, N: 0.03°C (0.06°F)
2
Type B, R, S: 0.1
o
C (0.2
o
F)
2
Type C: 0.07
o
C (0.1
o
F)
2
10mΩ/bit @ 16 bits unipolar
100Ω Pt & 120Ω Ni 0.03 °C (0.06°F)
10Ω Cu 0.3°C (0.5°F)
Default Display Resolution 0.01mV / 0.1°C (0.1°F) 0.1mV / 1.0°C (0.1°F) 0.01 ohm / 0.1°C (0.1°F)
Temperature Scale (per module) °C(°F) °C(°F) °C(°F)
Input Impedance >10MΩ >10MΩ
Thermocouple Linearization IPTSĆ68 standard, NBS MNĆ125 IPTSĆ68 standard, NBS MNĆ125
Cold Junction Compensation 0to70°C ±0.25°C 0to70°C ±0.25°C
Open Input Detection upscale upscale upscale
Open TC Leakage Current < 10 nA (maximum) < 10 nA (maximum)
Time to Detect Open Input 10s (maximum) 5s (maximum) 5s (maximum)
RTD Excitation Current 1mA (typical)
Input Overvoltage Protection 140V ac rms continuous 140V ac rms continuous 140V ac rms continuous
Normal Mode Rejection (50/60Hz) 50dB / 60dB (minimum) 50dB / 60dB (minimum) 50dB / 60dB (minimum)
Common Mode Rejection (60Hz) 150dB (typical) 150dB (typical) 150dB (typical)
Offset Drift (maximum) ±0.50µV/°C ±0.50µV/°C ±25 mΩ/°C
Gain Drift (maximum) ±35ppm/°C ±35ppm/°C ±50ppm/°C
Input Bandwidth 9Hz 9Hz 9Hz
Update Time (per module) 25ms (maximum) 25ms (maximum) 25ms (maximum)
Settling Time to within
0.1% of Full Scale
125ms (maximum) 125ms (maximum) 125ms (maximum)
NonĆlinearity 0.02% of full range (maximum) 0.02% of full range (maximum) 0.02% of full range (maximum)
Accuracy with Calibration
(includes nonĆlinearity, gain,
offset)
0.01% of full range @ 25°C (typical)
0.05% of full range @ 25°C (maximum)
0.01% of full range @ 25°C (typical)
0.05% of full range @ 25°C (maximum)
0.025% of full range @ 25°C (typical)
0.05% of full range @ 25°C (max.)
Calibration Values 0.000 / 100.000mV 0.000 / 55.000mV 1.00 / 649.0Ω
Underrange Threshold -103.0mV -5.5mV 0.9Ω
Overrange Threshold +103.0mV +56.0mV 650Ω
Rate Alarm Value
Minimum (0.04% FSR)
Maximum (50% FSR)
0.08mV / 0.9°C (1.6°F) per second
100mV / 1050°C (1890°F) per second
24uV / 0.9°C (1.6°F) per second
30mV / 1050°C (1890°F) per second
0.26Ω / 0.44°C (0.8°F) per second
325Ω / 550°C (990°F) per second
Scaling Points →
Default Scaling Values
3
-100/+100mV → -10000/+10000
-300/1800°C → -3000/18000
-508/3272°F → -5080/32720
-5/+55mV → -500/+5500
-300/1800°C → -3000/18000
-508/3272°F → -5080/32720
Type C only:
-300/2500°C → -3000/25000
-508/4532°F →-508/4532
+1/650Ω→+10/6500
-200/900°C → -2000/9000
-328/1652°F → -3280/16520
1
Maximum resolution is obtained by rescaling input data to counts.
2
These resolutions apply to the commonly used ranges for these thermocouples. See graphs.
3
Values shown are applicable when using 2's complement data format.
- User Manual 1
- Important User Information 2
- ATTENTION 3
- Using this Manual 5
- Related Products 6
- Product Compatibility 6
- Related Publications 7
- Using this ManualP–4 8
- Table of Contents 9
- Chapter 4 10
- Configuring the Module 10
- Table of Contents toc-iii 11
- Table of Contentstoc-iv 12
- Table of Contents toc-v 13
- Table of Contentstoc-vi 14
- Overview of the High 15
- Resolution Isolated 15
- Analog Modules 15
- Features of the High 16
- Analog Series Modules 16
- Refer to 17
- Appendix 17
- Installing the Module 19
- Determine Module 20
- Location in the I/O Chassis 20
- Install the Analog Module 20
- Install the Module in the 21
- Chassis and Connect the 21
- Connecting Wiring 23
- • R = return 26
- • I = input 26
- • O = output 26
- • S = shield 26
- Connecting 4ĆWire 27
- Sourcing Input Analog 28
- Making Your Own Cables 29
- Grounding the Field 30
- Interpreting the 31
- Indicator Lights 31
- Chapter Summary 31
- 2–14 Installing the Module 32
- Communicating With Your 33
- Analog Module 33
- PLCĆ2 Programming 34
- PLCĆ3 Program Example 34
- PLCĆ5 and PLCĆ5/250 35
- Program Example 35
- Module Scan Time 36
- Programming Samples 36
- Setting Up the Data 39
- Table File 39
- Default Configurations 42
- Module Level 43
- Programming Features 43
- Real Time Sampling 45
- Output Channel 46
- Clamping 49
- Alarm Enable 50
- Reset State 50
- Input Channel 51
- Alarm Deadband 52
- Thermocouple Type 54
- Configuration Block for a 55
- Block Transfer Write 55
- Module Status and Input Data 61
- Block Transfer Read 62
- Data Format 62
- Data Header 63
- Input Status Data 64
- Output Status Data 66
- Module Calibration 69
- Calibrating Your Module 70
- Manual Calibration 71
- Figure 6.1 73
- Termination Panel 73
- Output Channel Calibration 75
- Troubleshooting 77
- Troubleshooting with 78
- Status Reported by 78
- Specifications 81
- Grounding Guidelines." 82
- Temperature Specifications 83
- SpecificationsA–6 86
- Important: If you require 60 87
- SpecificationsA–8 88
- Word/Dec. Bit 101
- Word/Octal Bit 101
- Transfer Read Configurations 105
- Series Modules 105
- CSA Hazardous Location 183
- Rockwell Automation Support 188
- Documentation Feedback 188
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