Relay Installation - Keithley S46 Series Installation Manual

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 .
2. Remove the 6 screws that secure the SPDT relay mounting bracket to the S46 chassis (see
3. Remove the 2 screws holding the relay spacers in the new relay column.
4. Replace the spacer with the new relay where the new relay is to be installed.
5. Install the 2 screws removed in step 3 in the new relay column.
6. Referring to Figure 2,
7. Install the SPDT relay mounting bracket using the screws removed in step 1.
8. Plug the wire connector into the appropriate circuit board connector (see
9. Install the Top Cover , and then configure the system as covered in
guide.
WARNING Do not power up the system without reinstalling the top cover. Failure to
do so may expose the operator to hazardous voltages that could result in
personal injury or death.
Figure 1
RELAY 1-8 installation
2
solder the two control wires to the terminals of the relay.
Table 2 and Figure 4 on page
"System configuration" on page 5
Figure 1).
5).
of this