Keithley S46 Installation Manual
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Keithley S46 Installation Manual

Microwave switch system
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Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
(440) 248-0400
www.keithley.com

Introduction

This guide contains information on S46 relay installation and system configuration that is necessary after
installing new relays.
WARNING The information in this section is only intended for qualified service
personnel. Do not attempt to replace parts or otherwise service the
equipment unless you are qualified to do so.

Relay kits

Table 1 summarizes available relay kits and part numbers.
WARNING Use only the parts specified in Table 1 of this guide when servicing the
equipment. Use of improper parts may expose the operator to
hazardous voltages that could result in personal injury or death.
Table 1
S46 relay kits
Relay
Description
location
1 to 8
SPDT RF relay
A to D
SP4T RF relay
A to D
SP6T RF relay
S46 Microwave Switch System
Terminated Teledyne Installation Guide
Relay kit
model number
S46-SPDT-KIT-T
SPDT terminated relay (1)
Connecting cable (1)
4-40 × 1/4 PPHSEM screws (2)
S46-SP4T-KIT-T
SP4T relay (1)
Ribbon cable (1)
4-40 × 1/4 PPHSEM screws (2)
S46-SP6T-KIT-T
SP6T relay (1)
Ribbon cable (1)
Kit parts summary
Keithley
part number
S40-0082
SYS46-311C
4-40X1/4 PPHSEM
S40-0207
CA-286-1B
4-40X1/4 PPHSEM
RL-288-1
CA-286-1B
PA-912 Rev. B / 11-05

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Summary of Contents for Keithley S46

  • Page 1 (440) 248-0400 www.keithley.com Introduction This guide contains information on S46 relay installation and system configuration that is necessary after installing new relays. WARNING The information in this section is only intended for qualified service personnel. Do not attempt to replace parts or otherwise service the equipment unless you are qualified to do so.
  • Page 2 Relay installation Before installing the relays, remove the screws that secure the S46 top cover, and then remove the cover. WARNING Disconnect the line cord and all cables from the S46 before removing the top cover. RELAY 1-8 installation 1. Unplug line cord, disconnect all cables, and remove the Top Cover.
  • Page 3 Figure 1 RELAY 1-8 installation Relay spacer screws Top cover Relay Spacer R 1 R SPDT relay mounting bracket S46 Chassis Screw (6 places) Figure 2 Connecting control wires to SPDT relay Black Wire Red Wire (–) Top view of SPDT Relay...
  • Page 4 RELAY A-D installation 1. Remove the four screws securing the cover plate over the mounting hole where the new relay is to be installed (see Figure 2. Connect the supplied ribbon cable to the relay securing it with the two 4-40X1/4PPHSEM screws. 3.
  • Page 5 Board connector reference Table 2 Relay connectors Relay Connector Relay Connector — — — — — — — — Figure 4 Relay connector locations RELAY 1–8 Connectors (J18–J25) RELAY A–D Connectors (J5–J8) To Power Supply Board PA-912 Rev. B / 11-05...
  • Page 6 System configuration After installing the new relays, you must program the S46 for the new relay configuration with the following command: :ROUT:CONF:CPOL <clist> <clist> is defined as follows: clist = (@0 | 3-6, 0 | 3-6, 0 | 3-6, 0 | 3-6, 0 | 1, ... 0 | 1) Relay: ...

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