Keithley S46L Series Installation Manual

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
(440) 248-0400
www.keithley.com

Introduction

This guide contains relay installation and system configuration information for the S46L Microwave Switch
System that is necessary after installing new relays. To install a relay, refer to
the kits and then follow the applicable installation instructions.
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
Use of improper parts may expose the operator to hazardous voltages
that could result in personal injury or death.
Table 1: S46L relay kits
Relay kit
Description
model number
S46L-SPDT-KIT-L 20 GHz SPDT 1 to 4
S46L-SP6T-KIT-T 18 GHz SP6T A to D

Installation

Before installing the relays, remove the screws that secure the S46L top cover, and then remove the cover.
PA-1031 Rev. A / March 2011
S46L Microwave Switch System
Table 1
Relay Kit parts summary
location (quantity)
SPDT terminated relay
(1)
Connecting cable (1)
4-40 ×1/4 PPHSEM
screws (2)
4-40 ×3/8 PFH screws
(4)
SP6T terminated relay
(1)
Ribbon cable (1)
Relay Installation Guide
Relay kits
when servicing the equipment.
Keithley
part number
RL-360
S46-350
4-40X1/4PPHSEM
4-40x3/8PFH
RL-259
CA-566B
for a description of
Installation
reference
SPDT relay 1
through 4
installation on
page 2
Relays A
through D
installation on
page 4
1