Output Configurations - Honeywell AQS51 Installation Instructions Manual

AQS 51/61 CO2 / TEMPERATURE SENSOR WITH BUILT-IN CONTROLLER
Connection
Function
terminal
G+ power (+)
G0 power ground (-)
OUT1 analog output 1 (+)
OUT2 analog output 2 (+) same as output 1
M signal ground (-)
Relay normally open
analog output 4 (+)
OUT4
or open collector
DI1 digital input 1
NOTE 1:
The ground terminal is used as negative power supply DC input or AC phase ground G0 (half-wave rectifier). The
signal ground M, protected by a PTC resistor, is the same as power ground G0 (permitting a "3-wire" configuration). A
single transformer may be used for the entire system.
NOTE 2:
AQS51/61 can deliver both a voltage or a current loop for OUT1/OUT2. For OUT4 a voltage output or an open
collector output is selected with jumper OUT4. To change between voltage and current output mode the hardware
jumpers are used. There is one jumper for OUT1 and one for OUT2, so that one output can be a voltage output and
the other a current output. Both voltage output and current output can have start points 0 % (0-10 VDC or 0-20mA) or
20% (2-10 VDC or 4-20mA). The same start point is used for both outputs. See Table 1.
NOTE 3:
The open collector's current is internally returned to the G0 terminal.

Output Configurations

The sensors/controllers are supplied from the factory (unless
otherwise ordered) with 0...10 Vdc linear outputs for OUT1
and OUT2 and for OUT4 when it is used as an open collector
output (see Table 1). If different outputs are needed for the
application, these have to be configured before the unit is
Jumper Position
start point
0%
of the
selection
20%
jumper
current
OUT1
voltage
current
OUT2
voltage
current
OUT4
voltage
Push Button Operation for AQS61
This sensor has two push buttons, MENU and ESC, located
on the front panel behind the flip-down lid. The YELLOW
LED will acknowledge a successful push by a short flash.
The push button MENU is available for selection of display
value or maintenance commands, whereas ESC is available
to escape back from a selected level.
Display Modes
In the DISPLAY MODE, the push button MENU is used to
select the value to be indicated on the display: CO
EN1B-0189GE51 R0102
Table 2. Electrical terminal connections for AQS51/61
Electrical data
24 Vac/dc+ (±20%), 3 W
24 Vac/dc-
0...10 Vdc or 0...20 mA
2...10 Vdc or 4...20 mA
connected to G0 via PTC fuse
contact-free relay; min. load: 1 mA / 5 V;
rated load: 0.5 A / 125 Vac, 1 A / 24 Vdc
0...10 Vdc; max. 0.5 A, 60 Vdc / 40 Vac
(half-wave rectifier protection)
closed contact current: 1 mA, open
voltage contact: max. 5 V
Table 3. Configuration jumpers for AQS51/61
Function
Jumper top position provides a 0 Vdc or 0 mA start point for OUT1 and OUT2 (0...20 mA or 0...10 V).
OUT4 has a 0 V output start point when jumper OUT4 is in the "voltage" position (0...10 V).
Jumper bottom position provides a 2 Vdc or 4 mA start point for OUT1 and OUT2 (4...20 mA or
2...10 V). OUT4 has a 0 V output start point when jumper OUT4 is in the "voltage" position (0...10 V).
Connection in the "current" position provides a 0/4...20 mA output range for OUT1.
Connection in the "voltage" position provides a 0/2...10 Vdc output range for OUT1.
Connection in the "current" position provides a 0/4...20 mA output range for OUT2.
Connection in the "voltage" position provides a 0/2...10 Vdc output range for OUT2.
Connection in the "open collector" position provides an open collector output. Max. 0.5 A, 60 Vdc /
40 Vac (half-wave rectifier).
Connection in the "voltage" position provides a 0...10 Vdc output range for OUT4.
2
powered up. To select alternative output ranges, position the
four jumpers as required for the application. Each jumper
selection is independent from the others, except in the case
of the "Start point selection" jumper, which affects both linear
outputs (i.e. OUT1 and OUT2).
centration and temperature (alternating), error code, CO
temperature, output 1, output 2, or output 4. After the device
is powered up, the display will always return to the default
display mode
con-
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4
Remarks
1
2 W without output load
According to positions of OUT1 and start
2
point of jumpers
According to positions of OUT2 and start
2
point of jumpers
See note 1!
Triggered by register OUT3
According to positions of OUT4. See also
notes 2 and 3!
Do not apply any voltage to this input!
,
2