Siemens 125-5033 用户手册
Fume Hood Controller Owner's Manual
4
Siemens Building Technologies, Inc.
24V COMMON
24V HOT
GROUND
LAB00140R1
FLN TRUNK
+ -
S
(SHIELD)
(SHIELD)
(+)
(+)
(-)
(-)
TEC0470R1
Figure 2. Power Wiring.
Figure 3. Communication Wiring.
Controller LED Indicators
The controller has six Light Emitting Diode (LED) indicators. See Table 2.
Table 2. Controller LEDs.
LED Type
Label
(if present)*
Indication
DO
LED 1 - LED 3
Indicates the ON/OFF status of the DO associated with it. A
glowing LED indicates that the DO is energized.
glowing LED indicates that the DO is energized.
Transmit
TX
Indicates, when flashing, that the controller is transmitting
information to the field panel.
information to the field panel.
Receive
RX
Indicates, when flashing, that the controller is receiving
information from the field panel.
information from the field panel.
BST
”Basic Sanity Test”
BST
Indicates, when flashing ON and OFF once per second, that
the controller is functioning properly.
the controller is functioning properly.
Operator Display Panel (ODP)
The Operator Display Panel (ODP) is the interface device between the Fume Hood Controller
and the operator. Its main functions are to display normal, warning, and alarm conditions to
the operator. The ODP consists of a housing, three Light Emitting Diodes (LEDs), a liquid
crystal display (LCD), four buttons, and a portable operator's terminal port. See Figure 4. The
ODP buttons function as follows:
and the operator. Its main functions are to display normal, warning, and alarm conditions to
the operator. The ODP consists of a housing, three Light Emitting Diodes (LEDs), a liquid
crystal display (LCD), four buttons, and a portable operator's terminal port. See Figure 4. The
ODP buttons function as follows:
Horn Silence button – Pressing the Horn Silence button turns the audible alarm off for the
current alarm event.
current alarm event.
Emergency Purge button – Pressing the Emergency Purge button removes contaminated
air from the fume hood by switching to an emergency exhaust flow level. The internal audible
alarm will sound. Emergency Purge automatically overrides any other control mode in the
Fume Hood Controller.
air from the fume hood by switching to an emergency exhaust flow level. The internal audible
alarm will sound. Emergency Purge automatically overrides any other control mode in the
Fume Hood Controller.