Specifications

The PSM module is designed with standard plug-in solid state I/O modules to monitor the AC and DC power fail signals. A power monitor IC is used to generate the low battery signal along with the load shed signal.

Mechanical	Size: 3" x 3-1/2" PC board
Mechanical	Mounting: Snap track
AC Power Fail
120 V_AC I/O module	IAC-24	IAC-15
Input range	90 to 140 V_AC	90 to 140 V_AC
Maximum input current	11 mA	11 mA
Dropout voltage	25 V_rms	25 V_rms
DC output supply	15 to 30 V_DC ; 24 V_nom	8 to 18 V_DC ; 15 V_nom
Maximum output load (35 deg. C)	40 mA	30 mA
240 V_AC I/O module	IAC24A	IAC15A
Input range	180 to 280 V_AC	180 to 280 V_AC
Maximum input current	6 mA	6 mA
Dropout voltage	50 V_rms	50 V_rms
DC output supply	15 to 30 V_DC ; 24 V_nom	8 to 18 V_DC ; 15 V_nom
Maximum output load (35 deg. C)	40 mA	30 mA
DC Power Fail
24 V_DC /12 V_DC I/O Module	IDC24	IDC15
Input range	3 to 32 V_DC	3 to 32 V_DC
Maximum input current	14 mA	14 mA
Dropout voltage	1 V_DC	1 V_DC
DC output supply	15 to 30 V_DC ; 24 V_nom	8 to 18 V_DC ; 15 V_nom
Maximum output load (35 deg. C)	50 mA	40 mA

Voltage Monitor	24 V_DC	12 V_DC
Low battery detect	22.5 V_DC	11.25 V_DC
Restore	23.8 V_DC	11.9 V_DC
Load shed	20.5 V_DC	10.25 V_DC
Restore	23.3 V_DC	11.65 V_DC