Spectrum-controls 1769sc-IF8u User Manual Page 68
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58 Compact IO
™
Universal Input module
(EMI), improper grounding, improper wiring connections, and unauthorized
tampering. If you suspect a program has been altered, check it against a
previously saved master program.
Safety Circuits
Circuits installed on the machine for safety reasons, like over-travel limit
switches, stop push buttons, and interlocks, should always be hard-wired to
the master control relay. These devices must be wired in series so that
when any one device opens, the master control relay is de-energized,
thereby removing power to the machine. Never alter these circuits to
defeat their function. Serious injury or machine damage could result.
Module Operation
vs. Channel
Operation
The module performs diagnostic operations at both the module level and
the channel level. Module-level operations include functions such as
power-up, configuration, and communication with a 1769 bus master, such
as a MicroLogix 1500 controller, 1769-ADN DeviceNet Adapter, or
CompactLogix controller.
Channel-level operations describe channel related functions, such as data
conversion and over- or under-range detection.
Internal diagnostics are performed at both levels of operation. When
detected, module error conditions are immediately indicated by the module
status LED. Both module hardware and channel configuration error
conditions are reported to the controller. Channel over-range or under-
range and open-circuit conditions are reported in the module’s input data
table. Module hardware errors are typically reported in the controller’s I/O
status file. Refer to your controller manual for details.
Power-up
Diagnostics
At module power-up, a series of internal diagnostic tests are performed. If
these diagnostic tests are not successfully completed, the module status
LED remains off and a module error is reported to the controller.
- NIVERSAL 1
- Important Notes 3
- Table of Contents 5
- Conventions Used in 10
- This Manual 10
- Input Type Ohm s 11
- 2 Compact IO 12
- Universal Input module 12
- Univ ersa l 13
- Do Not Remove RTB Un der 13
- Power Unless Area is Non 13
- Haza rdou s 13
- Calibration 15
- 6 Compact IO 16
- Chapter 1: Module Overview 7 17
- 8 Compact IO 18
- Before You Begin 19
- Required Tools and 19
- Equipment 19
- What You Need To Do 19
- 12 Compact IO 22
- Chapter 3 22
- (Installation and Wiring) 22
- Junctions 23
- 16 Compact IO 26
- Compliance to 27
- European 27
- Union Directives 27
- Power Requirements 28
- Considerations 28
- System Assembly 30
- Mounting 32
- Replacing a Single 34
- Module within a 34
- 26 Compact IO 36
- 28 Compact IO 38
- (1.63 to 0.65 mm) 38
- Cold Junction 40
- Compensation 40
- 32 Compact IO 42
- 34 Compact IO 44
- 36 Compact IO 46
- 38 Compact IO 48
- Bit 1514131211109876543210 49
- 40 Compact IO 50
- 42 Compact IO 52
- 44 Compact IO 54
- 46 Compact IO 56
- 48 Compact IO 58
- 50 Compact IO 60
- 52 Compact IO 62
- 54 Compact IO 64
- 56 Compact IO 66
- Chapter 5 67
- Module Operation 68
- Operation 68
- Power-up 68
- Diagnostics 68
- Channel Diagnostics 69
- Module Error 71
- Definition Table 71
- Error Codes 72
- Module Inhibit 73
- Function 73
- 64 Compact IO 74
- Electrical Specifications 75
- 1769sc-IF8U 75
- 66 Compact IO 76
- 68 Compact IO 78
- 70 Compact IO 80
- Universal Input Modules 80
- 74 Compact IO 84
- 76 Compact IO 86
- 78 Compact IO 88
- 80 Compact IO 90
- 82 Compact IO 92
- 84 Compact IO 94
- 86 Compact IO 96
- ReferencesReferences 98
- References 98
- 90 Compact IO 100
- Universal Input Module 100
- 92 Compact IO 102
- 94 Compact IO 104
- 102 Compact IO 112
- 104 Compact IO 114
- 106 Compact IO 116
- 108 Compact IO 118
- 110 Compact IO 120
- 112 Compact IO 122
- 114 Compact IO 124
- Getting Technical 125
- Assistance 125
- Declaration of 125
- Conformity 125
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