Operating Instructions

Chapter 3 – Point Database
16
Siemens Industry, Inc. Owner's Manual 125-5094
Building Technologies 2015-11-04
Descriptor
Address
1
Application
Description
ALRT AREA or AT ALRT AREA depending on the state of
ATTN.UNATTN.
EXH VOL 31 All The calculated value, in CFM (LPS), of the exhaust airflow.
FLOW COEF 32 All Gain factor for the flow sensor.
DUCT AREA 33 All Area of the duct, in square feet (SQM), where the air velocity
sensor is located.
TRANS RANGE 34 2940, 2941, 2942 The maximum range, in inches of water (PA), of the
differential pressure transmitter. Standard values are 0.1
(25.3), 0.25 (62.275), 0.5 (124.55), and 1.0 (253).
LINEAR FL RG 35 2940, 2941, 2942 When AI 3 is used as a linear flow sensor input, this value is
the maximum range of the input.
AVS2 PRESS 36 All The pressure that is applied to AVS2.
DI 2 37 2941, 2942, 2900 Actual status of a contact connected to the controller at DI 2.
ON indicates that the contact is closed; OFF indicates that
the contact is open. If a wall switch is used, it is connected to
DI 2.
DI 2 STPT SW 37 2940 Digital input for dry contact connection to control the HI/LOW
flow setpoint of the controller.
DI 6 38 All Actual status of a contact connected to the controller. ON
indicates that the contact is closed; OFF indicates that the
contact is open. Actual status of a contact connected to the
controller. ON indicates that the contact is closed; OFF
indicates that the contact is open.
AO 1 39 All Spare analog output is a 0 to 10 Vdc output.
AO 3 40 2940, 2941, 2900 Spare analog output is a 0 to 10 Vdc output.
EXH AO3 40 2942 Control signal for Venturi General Exhaust Valve (0 - 10V).
EXH DO1 41 2940, 2941 Digital output 1 and 2 are used to control a floating point
actuator.
DO 1 41 2942, 2900 Spare digital output controls a 24 Vdc load with an ON or
OFF status.
RETC DO 2 42 2940, 2941 Digital output 1 and 2 are used to control a floating point
actuator.
DO 2 42 2942, 2900 Spare digital output controls a 24 Vdc load with an ON or
OFF status.
DO 3 43 All Spare digital output controls a 24 Vdc load with an ON or
OFF status.
DO 4 44 All Spare digital output controls a 24 Vdc load with an ON or
OFF status.
DO 5 45 2941, 2942, 2900 Spare digital output controls a 24 Vdc load with an ON or
OFF status.
HI.LOW DO5 45 2940 Digital output that follows the HI/LOW flow setpoint.
DECOM DO6 46 2940, 2941, 2942 Digital output that turns on when a decommissioned hood is
used.
DO 6 46 2900 Spare digital output controls a 24 Vdc load with an ON or
OFF status.
ALARM DO7 47 2940, 2941, 2942 Intended to drive local alarm device (horn, light, and so on.).
Function set up by setting alarm enable points.