Allen-Bradley 1771-PS7 C Series Installations- und Benutzerhandbuch

120/220V AC Power Supply

with User Power

(Cat. No. 1771-PS7 Series C)

Installation Data

Use this publication to install a 1771-PS7 external power supply.

You perform these tasks:

prepare to mount the 1771-PS7

mount the 1771-PS7 and connect backplane power

connect user power to modules (optional)

connect ac power source to the 1771-PS7

The 1771-PS7 provides:

Power: For: Output

oltage:

backplane power 1771I/O chassis 5V dc at 16A (max)

user power IMC 120, 120AR, 121 and 123 motion

controller modules

nonIMC products

+5V dc at 8A (max)

+15V dc at 2A (max)

-15V dc at 2A (max)

+24V dc at 2.5A (max)

ATTENTION: To avoid overloading the power supply:

limit backplane power to 80W, or

limit user power to 65W, or

limit total system power (backplane + user) to 100W

To Calculate the Power Requirements for: See: Pub. No.

IMC 120 Motion Control System IMC 120 Motion Control System Installation Manual 17716.5.45

IMC 121 Motion Control System IMC 121 Installation Manual 17716.2.4

IMC 123 Motion Control System IMC 123 Motion Control System Installation Manual 17716.2.3

the Installer

Prepare for Installation

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Before mounting the 1771-PS7, you should:

mount the I/O chassis. See the Universal I/O Chassis Installation Data

(1771-2.210) for information on mounting the I/O chassis.

set the power supply configuration jumper. The 1771-PS7 is an external

power supply. Set the configuration jumper on the I/O chassis to the

N position.

Using

Power

Supply

Module in

the Chassis?

The 1771-PS7 has a D-sub power connector that provides power to the I/O

chassis backplane.

1771PS7

right side

A1 backplane common

A2 backplane +5V dc

1 no connection

2 backplane processor enable

3 backplane +5V dc sense

4 backplane signal ground sense

5 no connection

What to Do Next

To Attach the 1771PS7 to this Chassis: Go to:

1771A1B, A2B, A3B1, A4B panel mount page 3

1771A3B 19" rack mount page 6

Mount

the 1771PS7 and

Connect Backplane Power

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Attaching to PanelMounted I/O Chassis

To attach the 1771-PS7 to a panel-mounted chassis:

1. Remove the four #10-32 nuts and separate the mounting plate from

the power supply.

19536

1771PS7

mounting

plate

2. Use four 0.312-inch screws (#10-32) and washers to install the

mounting plate onto the side plate of the I/O chassis.

ATTENTION: Do not use screws longer than 0.312 inch to

mount the 1771-PS7 to the I/O chassis. Longer screws may

damage the equipment.

Important: Leave the screws loose to allow the mounting plate

to move until alignment procedure is complete.

16596

#1032 screw

washer

mounting

plate

side plate

of chassis

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

3. Install the supplied alignment fixture onto the taper pins of the

mounting plate (moving mounting plate as necessary) and push until

the alignment fixture is fully inserted into the receptacle on the

chassis.

Alignment fixture

mounting

plate

4. Tighten the #10-32 screws to permanently attach the mounting plate

to the I/O chassis.

mounting

plate

5. Remove the alignment fixture.

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

6. Align the receiving holes of the power supply over the taper pins on

the mounting plate and push until the plug on the power supply is

fully inserted into the receptacle on the chassis.

15870

mounting

plate

taper pin

1771PS7

7. Install four #10-32 nuts supplied onto the #10-32 studs now

protruding through the power supply mounting holes from the

mounting plate.

19537

1771PS7

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Attaching to RackMounted I/O Chassis

When mounted separately, the 1771-PS7 may be mounted above or next to

the I/O chassis. It may not be mounted below, since it is necessary to

allow convection cooling of both the power supply and the I/O chassis.

A minimum vertical distance of six inches should be maintained.

ou Are Mounting the 1771PS7: Use this Power Cable

(Cat. No.)

within 1 cablefoot of the I/O chassis 1771CA3B

within 5 cablefeet (1.68M) of the I/O chassis 1771PSCC

To attach the 1771-PS7 to a rack-mounted I/O chassis (1771-A3B):

1. Mount the 1771-PS7 vertically, above and within the specified

cable-feet (for your cable) of the D-sub connector on the top of the

I/O chassis.

Allow for a generous bend of the

cable to reduce the stress on the

connectors mounted on the chassis

and the power supply.

Use the rear flanges on the

1771PS7 to mount it to a panel.

16595

1771A3B

1771PS7

1771CA3B

1771PSCC

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

2. Connect one end of the power cable to the D-sub connector located

on the side of the 1771-PS7 power supply and tighten the

connector screws.

3. Connect the other end of the power cable to the D-sub connector

located on the top of the chassis and tighten the

connector screws.

The 1771-PS7 has 4 connectors for distributing power through 1771-CAS

cables to modules within an I/O chassis. The 1771-PS7 can distribute

power to:

IMC controller modules:

- 3 IMC 120, 120AR motion-controller modules and

1 resolver-excitation module

- 3 IMC 121 motion-controller modules and 1 resolver-excitation

module

- 3 IMC 123 motion-controller modules and 1 resolver-excitation

module

non-IMC products

Each connector is a 12-pin latch-and-lock shielded type. The pinout of the

connector is shown below:

+24V dc

24V dc Com.

+24V dc

24V dc Com.

+15V dc

Com.

-15V dc

Com.

+5V dc

Com.

+5V dc

Com.

Shield

Can

Power

Connector

1771PS7 side

Connect

User Power

to Modules

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Connecting User Power to IMC Controller Modules

To connect the 1771-PS7 to an IMC 120, 120AR, 121 or 123

motion-controller module and a resolver-excitation module:

1. Make sure the power switch is set to OFF.

2. Connect one end of a 1771-CAS cable:

a. to a user power connector on the 1771-PS7

b. to the axis on the controller module

processor or adapter

motioncontroller module

1771CAS

Route these cables away from

ac input power and other cables.

Repeat for the resolverexcitation module

and each additional controller module.

resolverexcitation module

IMC 120 and IMC 120AR IMC 121 and IMC 123

processor or adapter

motioncontroller module

1771CAS

resolverexcitation module

17473

15861

For More Information On: See this Documentation Set(s) Cat. No.

IMC 120 motion control system

IMC 120AR motion control system

IMC 120 Motion Control

IMC 120AR Motion Control

1771HCDOC

1771HSARS

IMC 121 motion control system IMC 121 Motion Control 1771H1DOC

IMC 123 motion control system IMC 123 Motion Control 1771H3DOC

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Connecting Power to NonIMC Products

The following figure shows physical dimensions and wiring details for the

1771-CAS cable.

15970

48"

(

±2.00")

1.310"

(±0.015")

Type.

1. Materialhousing:

Polycarbonate 940: UL94V

0; color: G.E. 70455 silver gray

Insulator:

Polyphenyiene oxidebased resin in accordance with MILP46129 (MR).

UL94V1.

Contacts:

1/4 hard copper nickel alloy with welded gold dot 1000

" thick in contact area;

heat treated beryllium copper spring.

Shield:

1/2 hard 260 brass. 100300

" 9317 T

inlead.

12 conductor

, 24A

WG (7/32) tinned copper

, color as shown.

3. Aluminized mylar shield, aluminized side in.

4. 26A

WG (7/34) tinned copper drain.

0.035" thick PVC outer jacket. Low gloss finish. Color to match G.E. 70455 silver gray

O.D. 0.259"

±0.009".

1771CAS Cable

+24V dc

24V dc Com.

+24V dc

24V dc Com.

+15V dc

Com.

-15V dc

Com.

+5V dc

Com.

+5V dc

Com.

Yellow

White

Orange

Gray

Green

Blue

Red

Brown

Violet

Black

Pink

Tan

Shield

Can

Shield

Can

Drain

1771PS7

Wiring Diagram

To connect the 1771-PS7 to non-IMC products, you must modify a

1771-CAS cable. Cut the cable as short as possible to minimize voltage

losses. Double-up on +24V dc, +5V dc, +24V dc common, +5V dc

common and 15V dc commons on each connector, as shown:

When Using: Tie Pins Together As Shown:

+24V dc 1 to 3

and

2 to 4

+24V dc

24V dc Com.1

+24V dc

24V dc Com.1

+15V dc

Yellow

White

Orange

Gray

Green

+24V dc

+24V dc Com.

+15V dc

1771PS7 end

+5V dc 9 to 11

and

10 to 12 8

Com.1

-15V dc

Com.1

+5V dc

Com.1

+5V dc

Blue

Red

Brown

Violet

Black

Pink

+15V

Com.

+5V dc

-15V dc

Com.

+15 V dc and -15V dc 6 to 8 11

17645

+5V dc

Com.1

Pink

Tan

Drain

Shield

Can

See

Figure 1

on page

10.

POWER

OFF

120V

220V

Installation Data

120/220V AC Power Supply with User Power

1771PS7 Series C

Figure 1

Signals

Designated as COM

+24V dc

24V dc Com.

+24V dc

24V dc Com.

+15V dc

Com.

-15V dc

Com.

+5V dc

Com.

+5V dc

Com.

Shield

Can

1771PS7 end

24V

+15V

-15V

+5V

Signals designated as Com. (for +5V dc, +15V dc and -15V dc)

are tied together in the 1771PS7 and are isolated from the signal

designated as 24V dc Com. so that the 24V supply can be used

as a negative supply if required. All the commons are isolated

from chassis ground and the backplane (+5V) ground.

GND

Terminal

The 1771-PS7 requires input from a 120V ac or 220V ac source. As a

safety precaution, the 1771-PS7 is shipped with the input voltage selector

switch set to 220V.

To connect power to the 1771-PS7:

1. Make sure the power switch is set to OFF.

2. Use a 1/8” slotted screwdriver to set the input voltage selector switch

for 120V ac or 220V ac as required for the input voltage available at

installation.

ATTENTION: To avoid damaging the power supply, do

not place the screwdriver blade more than 1/4” into the

switch slot.

Connect

ac Power Source

to the 1771PS7

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