Schweitzer Engineering Laboratories SEL-321 - Section 6: Installation

Date Code 20011026 Installation i
SEL-321/321-1 Instruction Manual
TABLE OF CONTENTS
SECTION 6: INSTALLATION.................................................................6-1
Introduction...................................................................................................................................6-1
Initial Checkout.............................................................................................................................6-1
Mounting and Connections...........................................................................................................6-2
Mounting...............................................................................................................................6-2
Rear-Panel Plug-In Connectors Option (Figure 6.10 through Figure 6.12).......................... 6-2
Frame Ground Connection....................................................................................................6-3
Power Connections ...............................................................................................................6-3
Secondary Circuit Connections ............................................................................................6-3
Control Circuit Connections .................................................................................................6-3
Control Inputs................................................................................................................6-4
Control Outputs.............................................................................................................6-4
Alarm Contact Connection............................................................................................6-4
IRIG-B Input Connection...................................................................................................... 6-5
Communication Circuit Connections....................................................................................6-5
Communication Cables ......................................................................................................... 6-6
EIA-232 Cables .............................................................................................................6-7
Communications ...........................................................................................................................6-8
Modems.................................................................................................................................6-8
Telephone Line Communications .........................................................................................6-9
Data Flow Control.................................................................................................................6-9
Baud Rate..............................................................................................................................6-9
Passwords..............................................................................................................................6-9
Jumper Settings...........................................................................................................................6-10
Main Board Jumpers...........................................................................................................6-10
Input/Output Connections................................................................................................... 6-10
Configure the Output Contact Form ...........................................................................6-10
Open the SEL-321 Relay to Access Internal Jumpers ........................................................ 6-10
Set Jumpers .........................................................................................................................6-11
Reassemble the SEL-321 Relay..........................................................................................6-11
Installation ..................................................................................................................................6-11
SEL Direction and Polarity Check Form.................................................................................... 6-29
SEL Direction and Polarity Check Form.................................................................................... 6-31
TABLES
Table 6.1: Main Board Jumper Positions ............................................................................................... 6-10