Altronix SMP5PM Installation Instructions User Manual download pdf

SMP5PM - 1 -

SMP5PM - Supervised Power Supply/Charger

Overview:

SMP5PM is a supervised power supply/charger that converts a low voltage AC input, into a 12VDC or 24VDC

selectable output, with 4 amp of continuous supply current (see specifications).

Specifications:

Voltage Output/Transformer Selection Table:

Output VDC Switch Position Max. Load DC Transformer Requirements

12VDC SW1 Closed 4 amp 24VAC or 28VAC / 100VA (T2428100)

24VDC SW1 Open 4 amp 24VAC or 28VAC / 175VA (T2428175)

Note: Transformers with higher VA ratings may be used for all output voltages above as long as you

do not exceed 28VAC or 45VDC.

Installation Instructions:

The SMP5PM should be installed in accordance with The National Electrical Code

and all applicable Local Regulations.

1. Mount the SMP5PM board in desired location/enclosure.

2. Set the SMP5PM to desired DC output voltage via SW1 (Voltage Output/Transformer Selection Table).

3. Connect proper transformer to terminals marked [AC] (Voltage Output/Transformer Selection Table).

Use 18 AWG or larger for all power connections (Battery, DC output).

Use 22 AWG to 18 AWG for power limited circuits (AC Fail/Low Battery reporting).

4. Measure output voltage before connecting devices. This helps avoid potential damage.

5. Connect devices to be powered to terminals marked [ + DC -- ].

6. When the use of stand-by batteries are desired, they must be lead acid or gel type.

Connect battery to terminals marked [ + BAT -- ] on the board (battery leads included).

Use two (2) 12VDC batteries connected in series for 24VDC operation.

Note: When batteries are not used a loss of AC will result in the loss of output voltage.

7. Connect appropriate signaling notification devices to AC Fail & Low battery supervisory

relay outputs marked [NC, C, NO].

LED Diagnostics:

Red (DC) Green (AC) Power Supply Status

ON ON Normal operating condition

ON OFF Loss of AC, Stand-by battery supplying power.

OFF ON No DC output.

Off Off Loss of AC, Discharged or no standby by battery. No DC output.

Input:

• 24VAC or 28VAC

(Voltage Output/Transformer Selection Table).

Output:

• 12VDC or 24VDC selectable output.

• 4 amp supply current.

• Filtered and electronically regulated outputs.

• Short circuit and thermal overload protection.

Battery Backup:

• Built-in charger for sealed lead acid or

gel type batteries.

• Maximum charge current 0.3 amp.

Battery Backup (cont’d):

• Zero voltage drop when switching over

to battery backup.

Supervision:

• AC fail supervision (form “C” contacts).

• Low battery supervision (form “C” contacts).

Indicators:

• AC input and DC output LED indicators.

Board Dimensions (L x W x H) (approximate):

• 4.05” (102.87mm) x 7” (177.8mm) x 1.35” (34.29mm)

1 2

SMP5PM - 1 1
Terminal Identification: 2

Summary of Contents

Page 1 - SMP5PM - 1

SMP5PM - 1 -SMP5PM - Supervised Power Supply/ChargerOverview:SMP5PM is a supervised power supply/charger that converts a low voltage AC input, into

Page 2 - Terminal Identification:

- 2 - SMP5PMTerminal Identification:Terminal Legend Function/DescriptionAC/AC Low voltage AC input (Voltage Output/Transformer Selection Table). For

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Altronix SMP5PM Installation Instructions User Manual

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