PM224 - Supervised Linear Power Supply/Charger Overview:

PM224 - Supervised Linear Power Supply/Charger Overview:
PM224 - Supervised Linear
Power Supply/Charger
Overview:
The PM224 supervised linear power supply/charger converts a low voltage “AC” input to a filtered and regulated 24VDC,
750mA continuous power-limited output.
ALTRONIX CORP.
AC
• 24VAC/40VA.
AC
Output:
- DC +
• 24VDC output.
• 750ma continuous supply current.
• Filtered and electronically regulated output.
• Thermal and short circuit protection with auto reset.
- BAT +
Battery Backup:
• Built-in charger for sealed lead acid or gel type batteries.
• Automatic switchover to stand-by battery when AC Fails.
• PTC battery protection.
AC
NC C NO NC C NO
AC
POWER
SUPPLY
CHARGER
DC
PM2 POWER MONITOR
Specifications:
Input:
BAT
MADE IN U.S.A.
Supervision:
• AC fail supervision (form “C” contacts).
• Low battery supervision (form “C” contacts).
Additional Features:
• AC input and DC output LED indicators
• Includes battery leads
Board Dimensions (W x L x H): 2.75” x 5.25” x 1.5” (69.85mm x 133.35mm x 38.1mm).
Installation Instructions:
1.Connect proper transformer (24VAC, 40VA) to terminals marked [AC].
2.Measure output voltage before connecting devices. This helps avoiding potential damage.
3.Connect devices to be powered to the terminals marked [- DC +], carefully observing polarity.
4.When the use of stand-by batteries is desired, they must be lead acid or gel type.
Connect battery to the terminals marked [- BAT +] on the unit (battery leads included).
Note: When batteries are not used a loss of AC will result in the loss of output voltage.
5.Connect appropriate signaling notification devices to AC Fail & Low battery supervisory
relay output terminals marked [N.C., C, N.O. ].
Note: During normal operation (AC and battery connected) the N.C. and C relay contacts will be in the closed
position and the N.O. and C relay contacts will be in the open position. These contacts are rated at 2 amps, 120VAC.
Terminal Indentification:
Terminal Legend
AC / AC
+ DC AC FAIL
NC, C, NO
Low Battery
NC, C, NO
- BAT +
Function/Description
Low voltage AC input (24VAC / 40VA min.). Altronix part # TP2440.
24VDC 750 mA continuous power-limited output.
Used to notify loss of AC power, e.g. connect to audible device or alarm panel. Relay normally
energized when AC power is present
Used to indicate low battery condition, e.g. connect to alarm panel. Relay normally energized
when DC power is present. Contact rating 2 amps @ 120VAC / 28VDC
Stand-by battery connections. Maximum charge rate 200mA.
Altronix is not responsible for any typographical errors. Product specifications are subject to change without notice.
140 58th Street, Brooklyn, New York 11220 USA, 718-567-8181, fax: 718-567-9056
website: www.altronix.com, e-mail: [email protected], Lifetime Warranty, Made in U.S.A.
IIPM224 - Rev. 081004
J17N
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