Relay PCA 04523 | Addendum to |
There are two versions of the new relay card. Table
1.3.1. Version 045230200
This is the most commonly used version of the Relay PCA. It includes a bank of solid state AC relays. This version is installed in analyzers where components such as AC powered heaters must be turned ON & OFF. A retainer plate is installed over the relay to keep them securely seated in their sockets.
Retainer
Mounting
Screws
AC Relay
Retainer Plate
Figure 1-2: Relay PCA P/N 045230200 with AC Relay Retainer In Place
1.3.2. Version 045230100
This is the base version of the Relay PCA. It does not include the AC relays and is used in instruments where there are no AC powered components requiring control. A plastic insulating safety shield covers the empty AC Relay sockets (See Figure
CAUTION
Never remove this safety shield while the instrument is plugged in and turned on. The contacts of the AC relay sockets beneath the shield carry high AC voltages even when no relays are present
AC Relay
Safety Shield
Figure 1-3: Relay PCA P/N 045230100 with Safety Shield In Place
05118 Rev B3 | 3 |