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Environmental Manager: Main Module
3
Front and Rear Panel
Components
Front panel
Use the toolless mounting pegs on the front panel of
the Main Module to install it in an APC rack or
enclosure without using any U-spaces.
Rear panel
Item Description
AC Line Inlet Provides power to the Main
Module; see “Specifications” on
page 24 for voltage information.
Switched
Outlet
Provides power to a device at a
total maximum amperage of 10 A.
Activate a connected device when
configured events are activated
(e.g., turn on a fan when
temperature rises above 23.9°C
[75°F]).
Voltage
Output
Provides 12 Vdc or 24 Vdc
(75 mA) to a connected device.
Relay Output Connects to relay-controlled
external devices.
Peripheral port Connects to an optional device.
Sensor ports Connect six temperature or
temperature/humidity sensors
(AP9335T or AP9335TH).
User Inputs Connect four sensor devices.
Supports the following:
• Dry contacts
• 0-5 V digital signals
• 0-5 Vdc analog voltage
• 4-20 mA current-loop sensors.
See the Environmental Manager:
Main Module User’s Guide,
available on the included Utility
CD or on the APC Web site
(www.apc.com), for configuration
information.
Modbus
RS-485 port
Connect the Main Module to a
building management system using
the Modbus protocol.
+
+
1224
N
O
G
N
D
C
O
M
N
C
1234
–+–+–+ –+
D
0
G
N
D
D
1
Environmental
Manager
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