Rockwell-automation 193-EC4 EC4 Current Monitoring Relay User Manual Instrukcja Użytkownika Strona 83
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84 Rockwell Automation Publication 193-UM011A-EN-P - September 2010
Chapter 6 Current Monitoring Parameters
Ground Fault Current
Reporting
Current Range
The following chart illustrates the minimum and maximum reporting ground
fault current values for a given ground fault current range.
➊ The EC4 Current Monitoring Relay will report 0 A if the ground fault current is below 50% of the minimum
ground fault current setting for a given range.
➋ The EC4 Current Monitoring Relay is capable of reporting values greater than the maximum values shown, but
the accuracy of the value is compromised.
➌ The accuracy specified is only applicable to non-distorted sinusoidal currents.
➍ 20…100 mA for resistive loads only. For motor loads consult your local Allen-Bradley distributor.
Frequency Range
The EC4 Current Monitoring Relay is capable of sensing variable frequency
ground fault currents ranging from 20…250 Hz.
Exception: Any EC4 Current Monitoring Relay using an external ground fault
sensor is limited to 50/60 Hz detection.
Monitor Group
Table 22 - Ground Fault Current Reporting Summary
Ground Fault
Current Range
Minimum
Reporting
Current ➊➌
Maximum
Reporting
Current ➋➌
E3 Plus Cat. No. /Series
20…100 mA➍ 10 mA 180 mA 193/592-EC3 — Series C and later
100…500 mA 50 mA 900 mA 193/592-EC3 — Series C and later
200 mA…1.0 A 100 mA 1.80 A 193/592-EC3 — Series C and later
1.0…5.0 A 500 mA 9.00 A 193/592-EC2 — Series A and later
L1 CURRENT
This parameter provides the L1 phase current
measurement in amperes.
Parameter Number 1
Access Rule Get
Data Type INT
Object Mapping 2C
hex
-1-231
2C
hex
-1-8
2C
hex
-1-227
Group Monitor
Units Amps
Minimum Value See Table 20 -
Maximum Value See Table 20 -
Default Value None
- EC4 Current Monitoring Relay 1
- Important User Information 2
- IMPORTANT 3
- DNET-UM072_-EN-P 4
- Table of Contents 5
- Product Overview 10
- Diagnostic Parameters 12
- Trip Relay 12
- Inputs and Outputs 12
- Status Indication 13
- Test/Reset Button 13
- Node Address Switches 14
- DeviceNet Compatibility 14
- Flash Memory 14
- Installation and Wiring 15
- Starter Installation 16
- Starter Assembly Instructions 17
- 193-EC_ _E) 18
- Cat. No. 193-EC_ _B) 20
- Cat. No. 193-EC_ _E) 21
- Power Terminals 22
- Terminal Designations 23
- Grounding 24
- Short-Circuit Ratings 24
- Fuse Coordination 25
- Typical Motor Connections 25
- Single-Phase Full-Voltage 26
- External Line Current 27
- Transformer Application 27
- Installation Instructions 28
- External Ground Fault 29
- Sensor Application 29
- E3 Plus Overload Relay 30
- Cat. No. 193-CBCT_ 30
- Ground Fault Sensor 30
- Cat. No. 193-CBCT1 31
- Typical Control Circuit 32
- Wiring Diagrams 32
- Single-Phase 33
- Three-Phase 33
- Warning Enable 35
- Overcurrent Protection 35
- Introduction 35
- Trip Enable 35
- Overcurrent Warning 36
- Overcurrent Trip 36
- Ground Fault Protection 37
- Ground Fault Setting Range 38
- Ground Fault Trip 38
- Ground Fault Trip Inhibit 39
- Ground Fault Warning 39
- Undercurrent Protection 40
- Undercurrent Trip 41
- Communication Fault 42
- Protection 42
- Communication Idle 43
- Comm Idle Warning 44
- Remote Trip 44
- Preventive Maintenance 45
- Diagnostics 45
- Queue Clearing 46
- DeviceNet Node Commissioning 47
- Using RSNetWorx for DeviceNet 48
- Figure 26 - EDS Wizard Screen 50
- Programmable Parameters 57
- Monitor Params (All 58
- Read-Only) 58
- Advanced Setup Group 60
- For Catalog Number 193-EC4ZZ 66
- Reset/Lock Group 71
- DeviceNet Setup Group 72
- Output Setup Group 75
- DeviceLogix Group 79
- Current Monitoring Parameters 81
- Reporting Accuracy 82
- Ground Fault Current 83
- Reporting 83
- Monitor Group 83
- Trip History and Snapshot 90
- Trip History Codes 92
- Warning History Codes 93
- Trip Snapshot 94
- Explicit Messaging 96
- (0x0375) 102
- Using DeviceLogix™ 104
- DeviceLogix Programming 105
- Troubleshooting 110
- Network Status LED 111
- OUT A & OUT B LEDs 111
- DeviceNet Modes of 112
- Operation 112
- Power-Up Sequence 112
- Run Mode 113
- Recoverable Error Mode 113
- Unrecoverable Error Mode 113
- Resetting a Trip 114
- Trip/Warn LED 114
- Procedures 114
- DeviceNet Troubleshooting 115
- Input and Output 115
- ➊ FRN 2.000 and later 116
- Specifications 117
- Table 4 - Input Ratings 118
- Environmental 119
- Table 9 - Protection 120
- DeviceNet Information 122
- Identity Object – Class 123
- Code 0x01 123
- Message Router – Class 124
- Code 0x02 124
- DeviceNet Object – Class 124
- Code 0x03 124
- Assembly Object – Class 125
- Code 0x04 125
- Input Assemblies 126
- Connection Object – Class 128
- Code 0x05 128
- Discrete Input Point Object 132
- – Class Code 0x08 132
- Discrete Output Point 132
- Object – Class Code 0x09 132
- Parameter Object – Class 133
- Code 0x0F 133
- Parameter Group Object – 135
- Class Code 0x10 135
- Control Supervisor Object – 139
- Class Code 0x29 139
- Acknowledge Handler 142
- Object – 0x2B 142
- DeviceNet Interface Object 143
- – Class Code 0xB4 143
- ODVA Fault Codes 144
- Logic Supervisor Object 145
- CLASS CODE 0x030E 145
- Status Object - CLASS 145
- CODE 0x0375 145
- CE Compliance 148
- Low Voltage Directive 149
- Two-Speed Applications 150
- Accessories 151
- Rockwell Automation Support 157
- Documentation Feedback 157
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