YSI 5500D-1 - Manual (Page 21)

YSI 5X00
41
YSI 5X00
40
Notes:
- I/O board and control board (including DO daughter board) are attached to
a metal plate and are referred to as the “lower board assembly”. See Control
Board - page 44.
- No 5X00 components or peripheral devices are wired to the display or DO
daughter board.
Most components including: power, Aux input, network, relay output, and RS232
communication components are terminated on the I/O board. 5X00 ground wire
and sensor ground wires (also called drain wires) are terminated to the metal plate
that is attached to the lower board assembly. The optional serial to ethernet device is
installed on the control board. The front panel must be removed when wiring 5X00
components and peripheral devices. See Accessing the I/O Board - page 42. It is
recommended that some system configuration and testing be done in conjunction
with hardware installation. This will ensure that the 5X00 system is wired correctly.
Necessary configuration information (from Chapter 4 - “Configuration”) is referenced
in the applicable test system procedure.
WARNING: Follow all safety information and local electrical codes when wiring
5X00 system components and peripheral devices. Proper wire gauge should be
determined based on voltages and wire/cable length. Incorrect wiring can result
in damage to you or equipment. Ground loops can also result due to improper
wiring.
AVERTISSEMENT : suivez toutes les consignes de sécurité et les codes électriques
en vigueur lors du câblage des composants du système 5X00 et des appareils
périphériques. Le calibre correct des câbles doit être déterminé en fonction des
tensions et de la longueur des câbles/fils. Un câblage incorrect peut entraîner des
blessures et endommager l’équipement. Des boucles de mise à la terre peuvent
également être provoquées par un câblage incorrect.
5X00 Bulkhead Fittings
Five bulkhead fittings [5@ 3/8”(.9525cm), 2 @ 3/4” (1.905cm), and 3@ 1/2” (1.27cm)]
located at the bottom of the 5X00 enclosure provide watertight connections for
5X00 system component wiring. Rubber grommets must be “pushed out” of the
compression fitting housing and drilled for wiring installation. The drill bit diameter
should be slightly smaller than the wire diameter so that a watertight seal can be
made. Rubber grommets can be frozen (put in a freezer for 1 hour) and then easily
drilled to the required diameter. Some pre-drilled rubber grommets are supplied
with the 5X00.
Figure 3.13
Installation and Wiring Installation and Wiring