Omega Products OM-320-PSM-2 User Manual
E
E-70
Sensor Power Supply Module
PSM-2 Series
$
160
Basic Unit
To Order (Specify Model Number)
Model No. Price Description
OM-320-PSM-2 $160 Metal case housed stand-alone module for
door mounted installation into the
OM-320 datalogger
OMP-MNL-PSM-2 142 Power supply module mounted into
OMP-MODL stacking frame for
installation into the OMP-MNL or OMP-MODL
datalogger stacks. Typically specified if sensor
power is desired but the OMP-MNL-BATT
(six D-cell battery pack) module is not.
OMP-MNL-BATT-PSM-2 210 Power supply module incorporated into the
OMP-MNL-BATT module (six D-cell battery
pack.)
OMP-PSM-2-PP 224 Stand-alone portable power supply module
including 6 D-cells which can be used to provide
sensor and loop excitation and instrument
power for other data acquisition equipment.
Power supply modules are supplied with complete operator’s manual.
Ordering Example: OM-320-PSM-2 power supply module for OM-320 datalogger and
OMEGACARESMextended warranty (adds 1 year to standard 1 year warranty),
$160 + 25 = $185.
Field Sensor Power -
Current Loops and/or
Voltage Excitation
Source
Powered from System
Batteries or
External Power
Installs into OM-320,
OMP-MNL and
OMP-MODL Data
Logging Systems
Control Input for
ON/OFF Output
Control via Software
Field Programmable
Output Voltages:
5, 10, 15 and 24 Vdc
Low Power Design for
Optimum Battery Life
The PSM-2 Power Supply Module
provides excitation power for
sensors used with the OM-320,
OMP-MNL and OMP-MODL
dataloggers. The PSM-2 can supply
100 mA of current … sufficient to
power up to five 4 to 20 mA loops.
Alternatively it can be used as a
voltage source for sensor excitation.
A 5 Vdc output is standard and one
additional output is available which
can be jumper programmed in the
field for 10, 15 or 24 Vdc output.
Four standard versions of the
PSM-2 are available for use with the
OM-320, OMP-MNL and
OMP-MODL dataloggers or as a
stand-alone module. The PSM-2
draws its power from the standard
datalogger D-cells or an external
supply. The PSM-2 outputs are
cycled ON/OFF by a software
controlled low-level 5 Vdc input from
the associated datalogger which
provides power only as required for
sampling and minimizes power
consumption and maximizes
battery life. An LED indicator lights
when the outputs are ON. Sensor
excitation is easily programmed into
the datalogger via the HyperWare
software supplied with the
datalogger.
Specifications
Terminal Strip: 12 position strip for
connection of external power
input, control signal input and the
programmable and 5 Vdc outputs
and ground
Pigtail Connection: a pair of
pigtails is provided for direct
interface to the OM-320,
OMP-MNL and OMP-MODL
battery pack; in the OMP-MNL
and OMP-MODL, the PSM-2 is
wired in series between the
battery pack (OMP-MNL-BATT)
and the CPU module using the
two provided pigtails and mating
polarized connectors
Output Indication: output “ON”
LED indicator
External Power Input:
8 to 32 Vdc input
Control Signal Input:
field programmable for high input =
ON or low input = ON; low = 0 to 0.5
Vdc; high = 3 to 20 Vdc; control
current = 400 µA at 5 Vdc (On)
Output No. 1 (Programmable):
jumper selectable for 10, 15 or 24
Vdc range: accuracy; ±300 mV:
current; 100 mA
Output No. 2 (Fixed): 5 Vdc:
accuracy; ±150 mV: current; 40 mA
Parasitic Current (Outputs Off):
300 µA typical
Circuit Protection: continuous
short circuit protection on outputs;
reverse polarity protection on inputs
Operating Temperature:
-40 to 70°C (-40 to 158°F)
Model OM-320-PSM-2
Shown smaller than actual size
USA
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