OPT-SNAP-AIPM

SNAP-AIPM Single-Phase Power Monitoring Module

SNAP-AIPM analog input module helps you measure and control power usage in your facility. The SNAP-AIPM module
simultaneously measures single-phase volts AC RMS and amps AC RMS and calculates true power and volt-amps.
Leading or lagging power factor can then be calculated from true power and volt-amp values.
 
Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted
controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for
PC-based control or for use as intelligent remote I/O for an Allen-Bradley RSLogix PLC system, such as ControlLogix,
MicroLogix, or CompactLogix.
 
When these modules are used as part of a SNAP PAC System running a PAC Control strategy, the strategy logic can
automatically perform the calculations and respond to problems.
 
Compatibility: SNAP-AIPM modules work with SNAP PAC brains and R-series controllers. They also work with legacy
SNAP Ethernet-based brains.
 
NOTE: If you need to monitor 3-phase power, see the SNAP-AIPM-3 and the SNAP-AIPM-3V.
 

	SNAP-AIPM
Voltage Inputs (each voltage channel)
Recommended Input Range Scaled Input Range	85 to 250 VAC RMS 0 to 250 VAC RMS
Input Over Range	To 275 volts
Resolution	10 mV
Accuracy (47 to 63 Hz)	(When used within recommended range) ± 0.2 V plus ± 0.2% reading (at full scale = ± 0.7 V or 0.28%)
RMS Integration Time/ Data Freshness	1000 ms (synchronous with current measurement)
Input Filtering	Time constant = 70 µs (analog front end) (–0.2 dB at 660 Hz; –3 dB at 1.89 kHz) nominal
Input Resistance – Single Ended	1 Megohm NOTE: Because both channels share the same reference terminal, polarity must be observed when connecting the current channel.
Maximum Input	300 V non-operating
Current Inputs (each current channel)
Input Range	0 to 10 AC amps RMS
Input Over Range	To 11 amps (Reading is not reliable over 11 A.)
Input Overload	15 A continuous, non-operating
Resolution	400 µA
Accuracy (47 to 63 Hz)	± 8 mA plus ± 0.2% reading (at full scale = ± 28 mA or 0.28%)
RMS Integration Time/ Data Freshness	1000 ms (synchronous with voltage measurement)
Input Filtering	Time constant = 105 µs (analog front end) (–0.2 dB at 660 Hz; –3 dB at 1.89 kHz) nominal
Input Resistance – Single Ended	0.005 Ohm NOTE: Because both channels share the same reference terminal, polarity must be observed when connecting the voltage channel.
Maximum Input	15 A continuous, non-operating
Calculated Channels
True Power and Volt-Amps Range	True power: 2500.0 Watts. Volt-amps: 2500.0 volt-amps (= 25,000 counts) (inputs = 250 volts and 10 amps)
Over Range	2750 Watts true power or 2750 Volt-amps (= 27,500 counts)
Accuracy:
True Power   Volt-Amps	± 0.6% reading (at full scale = ± 15 Watts) ± 0.6% reading (at full scale = ± 15 VA)
Resolution	100 mW with default scaling
AC Common Mode Rejection	> –120 dB at 60 Hz
Maximum Operating Common Mode Voltage	250 VAC
Power Requirements	5.0 VDC ± 0.15 VDC at 100 mA
Ambient Temperature:
Operating   Storage	0 to 70 °C -25 to 85 °C
Agency Approvals	CE, RoHS, DFARS
Warranty	Lifetime
Calculated Outputs
True Power	0–2500 W (from synchronous measurement of volts and amps)
Volt Amps	0–2500 VA (VRMS x ARMS)

Rev: 04/13