PLC ControlLogix 1756-PA75/B Series B AC Power Supply

Conspectus

Allen-Bradley · ControlLogix

1756-PA75/B 1756-PA75 Series B AC Power Supply

Allen-Bradley 1756-PA75/B is a Series B ControlLogix standard AC power supply for compatible 1756 chassis. It accepts 120 or 240 V AC input and provides up to 75 W of regulated backplane power for installed modules.

Ad Primum Aspectum

Nota	Allen-Bradley
Modellum	1756-PA75/B
Typus Producti	ControlLogix Chassis Power Supply
Functio principalis	Converts plant AC input into regulated ControlLogix backplane power
Applicatio vel series compatibiles	ControlLogix standard chassis and supported redundancy systems

Series B Identification

Concordat cum serie /B, quia compatibilitas chassidis et redundantiae pendet ab serie hardware.

Potestas in structura

Calcula onera plani dorsalis 1.2 V, 3.3 V, 5.1 V et 24 V pro singulis modulis installatis.

Compatibilitas chassidis

Utere tantum cum chassidibus ControlLogix seriei B vel seriei C specificatis.

Product Overview

Allen-Bradley 1756-PA75/B is a Series B ControlLogix standard AC power supply for compatible 1756 chassis. It accepts 120 or 240 V AC input and provides up to 75 W of regulated backplane power for installed modules.

Accipit potestatem plantae AC 120 V aut 240 V intra ambitum operativum specificatum 85–265 V. Suppeditat chassidem ControlLogix ad tensiones DC 1.2 V, 3.3 V, 5.1 V et 24 V. Implet requisita seriei supply pro systematibus redundantiae ControlLogix 5560 et 5570 applicabilibus.

Focus ordinandi: Confirma seriem hardware /B, chassida 1756 compatibilia, ingressum AC 120 V aut 240 V, rationem oneris structurae 75 W, currentes raelis, requisita redundantiae, clausuram et terram ante ordinandum.

Key Functions

Latissimus introitus electricus alternatus

Accipit potestatem plantae AC 120 V aut 240 V intra ambitum operativum specificatum 85–265 V.

Egressus plani dorsalis multiplex

Suppeditat chassidem ControlLogix ad tensiones DC 1.2 V, 3.3 V, 5.1 V et 24 V.

Supportus redundantiae seriei B

Satisfacit requisitionem seriei suppeditationis pro systematibus redundantiae ControlLogix 5560 et 5570 applicabilibus.

Official Specifications

Input voltage range	85 ad 265 V AC
Ingressus nominalis	120 vel 240 V AC, 50/60 Hz
Potentia Input	100 VA / 100 W maximum
Maxima Currus Inrumpens	20 A
Maximum output Power	75 W
currentus exirens 5,1 V DC	13 A
currentus exirens 24 V DC	2,8 A
currentus exirens 3,3 V DC	4 A
currentus exirens 1,2 V DC	1.5 A
Tensio Isolationis	250 V continuus, insulatio fortificata ab ingressu ad planum dorsale
Temperatura operativa	0 usque ad +60 gradus C
Genus clausurae	Stilus apertus
Torque Terminalis	0.565 N m
Dimensiones	140 x 112 x 145 mm
Chassis Normalisatus Compatibilis	1756-A4/B, A7/B, A10/B, A13/B et A17/B, necnon chassia Series C correspondens

Fons officialis: Data Technica Officialia Allen-Bradley pro 1756-PA75/B .

Quaestiones Frequenter Rogatae

Quae chassia 1756-PA75/B uti possunt?

Hoc utere cum chassiis Normalibus Series B enumeratis aut cum chassiis Series C correspondentibus post confirmationem totius configurationis structurae.

Quam supplitationem AC ad 1756-PA75/B praebere debeo?

Praebere 120 vel 240 V AC ad 50/60 Hz intra intervallum operativum 85 ad 265 V.

Quantam potestatem dorsalis plani 1756-PA75/B praebere potest?

The total output is limited to 75 W while each voltage rail must also remain within its current rating.

Can 1756-PA75/B support a ControlLogix redundancy system?

Series B is required for applicable 5560 Series B and 5570 Series B redundancy configurations.

How should I size the cabinet circuit for 1756-PA75/B?

Allow for up to 100 VA input and a 20 A inrush current while meeting the local protective-device requirements.

Can 1756-PA75/B be installed outside an enclosure?

No, the open-style supply requires a suitable industrial enclosure and the specified ambient conditions.

What should I verify before replacing 1756-PA75/B?

Match the hardware series, chassis series, AC input, grounding, terminal torque and calculated load on every backplane rail.

Compatibility & Ordering Notes

Before ordering 1756-PA75/B: Confirma seriem hardware /B, chassida 1756 compatibilia, ingressum AC 120 V aut 240 V, rationem oneris structurae 75 W, currentes raelis, requisita redundantiae, clausuram et terram ante ordinandum.

Index Compatibilitatis

• Use only with the approved ControlLogix standard chassis series.
• Match the Series B requirement of the installed redundancy architecture.
• Provide AC input within 85 to 265 V at 50/60 Hz.
• Keep total backplane consumption below 75 W.
• Check the load on all four individual voltage rails.
• Install the open-style unit in a suitable enclosure at 0 to +60 degrees C.
• Verify protective earth, terminal torque and inrush capability before energizing.

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