Rockwell-automation 1791-XXXX Discrete I/O AC and DC Block I/O Input a Uživatelský manuál stáhnout pdf (Strana 22)

Installing Block I/O

Chapter 3

3-3

Maximum

Network Distance

Baud Rate

Used

Maximum CapacityandWhen using

16 blocks/channel, 32

blocks/scanner, (128 blocks with 4

57.6K 10,000 cablefeet

PLC 5 f il ( ti d)

PL

C



5/

2

50

 re

q

uires

blocks/scanner

,

(128

blocks

with

4

scanners) with 150 ohm terminator

and extended node addressing

115.2K 5,000 cablefeet

PLC5 family (continued)

PLC



5/250

 requ

i

res

a 5150RS remote scanner

32 blocks/channel, 32

57.6K 10,000 cablefeet

32

blocks/channel

,

32

blocks/scanner, (128 blocks with 4

scanners) with 82 ohm terminator

115.2K 5,000 cablefeet

scanners)

with

82

ohm

terminator

and extended node addressing

230.4K 2,500 cablefeet

SC / SC /

S/OS

16 blocks with 150 ohm terminator

57.6K 10,000 cablefeet

SLC5/02 or SLC5/03

Controllers

1747SN Remote I/O Scanner

Module

16

bl

oc

k

s w

i

t

h

1

5

0

o

h

m term

i

nator

115.2K 5,000 cablefeet

Controllers

Module

16 blocks with 82 ohm terminator 230.4K 2,500 cablefeet

1

PLC5/15 series A and PLC5/15 series B prior to revision H (B/H) can only address 3 blocks.

2

PLC5/25 revisions prior to A/D can only address 7 blocks.

Figure 3.1 shows the mounting dimensions for the block I/O module.

Mount the blocks vertically with a minimum of 2” between blocks. This air

gap is necessary to maintain proper cooling air flow through the block.

Figure 3.1

Mounting

Dimensions for the Block I/O Modules

2

Mounting Holes

for 1/4inch screws

1

30

2.710

(68.8)

1.71

(43.4)

17918AC

6.95

(176.5)

120V

ac IN/OUT

6.60

(167.6)

INPUT OUTPUT

00

01

02

03

04

05

06

07

00

01

02

03

04

05

06

07

0.5

(12.7)

6.95H

x 2.710W x 3.85D

(176.5H x 68.8W x 98D)

Inches

(Millimeters)

CAUTION:

When tightening grounding

stud nut, do not exceed 15 inlbs.

2.0

(50.8) air gap

on all 4 sides.

Block

Operating temperature in

air

gap

below module must

not

exceed 60

o

C (140

o

F).

ALLENBRADLEY

Dimensions

1

30

4.35

(110.5)

3.35

(85.1)

6.95

(176.5)

6.60

(167.6)

0.5

(12.7)

179124B8

24V

dc IN/OUT

IN OUT

00

01

02

03

04

05

06

07

30

1

RACK

#

ALLENBRADLEY

10

11

12

13

14

15

16

17

00

01

02

03

04

05

06

07

G

G+1

00

01

02

03

04

05

06

07

IN G

IN (G+1)

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

OUT G

G

IN

00

01

02

03

04

05

06

07

COMM

STATUS

00

01

02

03

04

05

06

07

Equipment

Grounding

Stud

6.95H

x 4.35W x 3.85D

(176.5H x 1

10.5W x 98D)

16point Block I/O Modules

32point Block I/O Modules

00

01

02

03

04

05

06

07

00

01

02

03

04

05

06

07

Installing the Block I/O

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