Date Code 20000421 Table of Contents i
SEL-251, -2, -3 Instruction Manual
TABLE OF CONTENTS
SECTION 6: INSTALLATION 6-1
Installation: Conventional Terminal Block Model ...................................................................... 6-1
Mounting .............................................................................................................................. 6-1
Frame Ground Connection ................................................................................................... 6-1
Power Connections............................................................................................................... 6-1
Secondary Circuits ............................................................................................................... 6-1
Control Circuits.................................................................................................................... 6-1
Communications Circuits..................................................................................................... 6-1
Jumper Selection .................................................................................................................. 6-2
EIA-232 Jumpers.......................................................................................................... 6-2
Password Protection Jumper......................................................................................... 6-2
OPEN/CLOSE Command Enable Jumper.................................................................... 6-2
A4 Output Contact Jumper........................................................................................... 6-2
Output Contact Soldered Wire Jumpers....................................................................... 6-2
Communication Port External Power Jumpers............................................................. 6-3
Jumper Installation Instructions.................................................................................... 6-3
EIA-232 and IRIG-B Installation ......................................................................................... 6-3
EIA-232 Cables............................................................................................................. 6-4
IRIG-B Input Description............................................................................................. 6-5
Installation: Plug-In Connector Model......................................................................................... 6-6
Mounting .............................................................................................................................. 6-6
Frame Ground Connection ................................................................................................... 6-6
Power Connections............................................................................................................... 6-6
Secondary Circuits ............................................................................................................... 6-6
Control Circuits.................................................................................................................... 6-7
Communications Circuits..................................................................................................... 6-7
Jumper Selection .................................................................................................................. 6-7
EIA-232 Jumpers.......................................................................................................... 6-7
Password Protection Jumper......................................................................................... 6-8
OPEN/CLOSE Command Enable Jumper.................................................................... 6-8
A4 Output Contact Jumper........................................................................................... 6-8
Communication Port External Power Jumpers............................................................. 6-8
EIA-232 and IRIG-B Installation ......................................................................................... 6-8
EIA-232 Cables............................................................................................................. 6-8
IRIG-B Input Description........................................................................................... 6-10
Installation Checkout.................................................................................................................. 6-11
SEL Direction and Polarity Check Form ................................................................................... 6-21
TABLES
Table 6.1: IRIG-B Pin Definitions ........................................................................................................... 6-5
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