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Allen-Bradley
Protection Device
857
Allen-Bradley 857 User Manual
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Rockwell Automation P
ublication 857-QS001B-EN
-P - April 2017
13
Chapter
2
Mounting and Wiring Instruct
ions
Mounting Instruc
tions
T
o mou
nt t
he Allen-B
radle
y® 857 P
rotection S
ystem, follow the sequence of
steps
as
the
y
are o
utlin
ed
in th
e
Fi
g
ure
1
.
Fi
g
ur
e
2
shows the dimension
s of the
uni
t
.
Figure 1 - Mounting Instructions
1.0-10mm
193
139
2
4
3
4
1
2a
2b
i
12
14
Table of Contents
Default Chapter
3
Default Chapter
3
Table of Contents
3
Equipment
5
Supported Applications
5
Who Should Use this Manual
5
Installation
6
Additional Resources
6
Chapter 1 Setpointps
7
User Interface
7
Firmware Compliance
8
Operating Safety
8
Protection Functions
8
General Precautions
10
Before Installation
10
Catalog Number Explanation
11
Chapter 2
13
Mounting Instructions
13
Measuring and Control Connections
15
Voltage Measurement Mode
20
Protection System Front Panel
21
Chapter 3 Menu Navigation and Pointers
22
Communication Ports
24
Digital and Virtual Inputs
25
Virtual Inputs and Outputs
26
Output Matrix
26
Chapter 4 Step 1: Gather Required Information
29
Step 2: Review Required Information
29
Step 3: Validate the 857 Installation
30
Configuring the Protection System
30
Step 4: Power Up, Configuring the Protection System and Verifying
31
Operation
31
Step 5: Configuring the Setpointps Software Tool
32
Step 6: Configuring the Protection System Using Setpointps
33
Set the Valid Protection Stages
35
Set the Current Scaling Parameter Using the Front Panel
36
4
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Allen-Bradley 857 Specifications
General
Brand
Allen-Bradley
Model
857
Category
Protection Device
Language
English
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