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Bender RCMA423 Operating Manual
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Operation and
setting
22
TGH1442en/06.2012
5.5.3
Response value setti
ng for overcurrent:
- Response value I2 (overcurrent I
Δ
n2
)
- Response value I1 (overcurrent I
Δ
n1
)
- Hysteresis (Hys) of the response values I
Δ
n1
, I
Δ
n2
Increasing the response value I2 (al
arm overcurrent)
Increasing the response value I1 (prew
arning overcurrent)
Setting the hysteresis of the res
ponse value
1x
2x
21
23
Table of Contents
Table of Contents
3
Effective Use of this Manual
5
Notes for the User
5
Intended Use
5
Information about Factory Setting
6
Safety Information
7
Safety Instructions
7
Work Activities on Electrical Installations
7
Function
9
Device Features
9
Connection Monitoring
10
Fast Response Value Query
10
Automatic Self Test
10
Manual Self Test
10
Functional Faults
11
Setting the Number of Reload Cycles
11
Assigning Alarm Categories to Alarm Relays K1/K2
11
Time Delays T, T on and T off
11
Start-Up Delay T
11
Response Delay T On1/2
11
Delay on Release T off
11
Residual Current Monitoring in Window Discriminator Mode
12
Password Protection (On, OFF)
12
Factory Setting FAC
12
Erasable History Memory
12
External, Combined Test/Reset Button T/R
12
Fault Memory
12
Installation and Connection
13
Operation and Setting
15
Display Elements
15
Function of the Operating Elements
16
Menu Structure
17
Display in Standard Mode
18
Display in Menu Mode
19
Parameter Query and Setting: Overview
19
Changeover from Overcurrent to Undercurrent Mode or to Window Mode
21
Response Value Setting for Overcurrent
22
Setting the Fault Memory and Alarm Relay Operating Mode
23
Assigning Alarm Categories to the Alarm Relays
24
Setting the Time Delays
26
Changing from Overcurrent Operation to Window Operation
27
Factory Setting and Password Protection
27
Restoring Factory Settings
29
Device Information Query
29
History Memory Query
29
Commissioning
30
Factory Setting
30
Technical Data
31
Data in Tabular Form
31
Standards, Approvals and Certifications
34
Ordering Information
35
Error Codes
36
Index
37
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Bender RCMA423 Specifications
General
Brand
Bender
Model
RCMA423
Category
Measuring Instruments
Language
English
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