Chapter 13 Installing Ex2 Expansion Modules; Operating Environment - Trane Tracer MP581 Hardware Installation

CNT-SVN01C-EN
Chapter 13
Installing EX2 expansion
modules
The EX2 is a field-installed expansion module for the Tracer MP581 pro-
grammable controller. Up to four expansion modules can be connected to
a Tracer MP581. Each EX2 adds the following inputs and outputs to a
Tracer MP581:
Six universal inputs
•
• Four binary outputs
• Four analog outputs
The EX2 is available in two different packages: frame-mount with plastic
cover (4950 0499) or metal enclosure (4950 0500). (See Figure 40 and
Figure 41 on page 68.)
The frame-mount package includes:
• EX2 circuit board fastened to a metal backplate
• Removable plastic cover
The enclosure package includes:
• EX2 circuit board fastened to the back piece of the metal enclosure
Removable metal cover
•

Operating environment

Make sure that the operating environment conforms to the specifications
listed in Table 9. Dimensions and clearances are illustrated in Figure 40
and Figure 41 on page 68.
Table 9. Operating environment specifications
Temperature From –40°F to 158°F (–40°C to 70°C)
Humidity 5–95%, non-condensing
Power 19–30 Vac (24 Vac nominal) 50/60 Hz 10 VA main board
and 12 VA max per binary output
Mounting Weight Mounting surface must be able to support 2 lb (1 kg)
(frame-mount)
Mounting Weight Mounting surface must be able to support 8 lb (4 kg)
(metal enclosure)
Altitude 6,500 ft (2,000 m)
Installation Category 3
Pollution Degree 2
67