Rockwell-automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User M Manual do Utilizador descarregar pdf (Página 14)

Chapter 1

/530&6%+/)5*'0/530-0130%'4403

1-4

Table 1.C describes the hardware elements for the optional serial

expander module.

Table 1.C

Serial Expander Module Hardware Elements

Hardware

Element

Description

':48+5%*

*+4 +4 # <104+5+0/ 413+/)<-0#&'& ,':48+5%*

*'  104+5+0/ +4 64'& 50 3'+/+5+#-+;' 5*' %0/530- %0130%'4403 8+5*065 %:%-+/) 108'3

 +41-#:

*' <%*#3#%5'3 #-1*#/6.'3+% &+41-#: 4*084 +/(03.#5+0/ 0/ 5*' 45#5' 0( 5*' %0/530-

%0130%'4403 #4 1307+&'& $: 64'3 130)3#.4

4 *' 580 45#564 +/&+%#5034 1307+&' +/(03.#5+0/ 0/ 5*'  #/&  10354

 035

#/&

 035

*'4' #3' <1+/ 015+%#--: +40-#5'& 4'3+#- %0..6/+%#5+0/ 10354 5*#5 4611035

%0..6/+%#5+0/ &'(+/'& $:  < < #/& < 45#/&#3&4

"06 %#/ #-40 64' 5*' 1035 8+5* .045 < '26+1.'/5 #4 -0/) #4

• 5'3.+/#5+0/ 3'4+45034 #3' /05 64'&

• 5*' &+45#/%' #/& 53#/4.+44+0/ 3#5' #3' 3'&6%'& 50  (5 #5  ,$14

4' 5*'4' %0..6/+%#5+0/ 10354 50 %0//'%5 1'3+1*'3#- &'7+%'4 46%* #4

• 5'3.+/#-4

• 1'340/#- %0.165'34

• $#3<%0&' 3'#&'34

• 8'+)* 4%#-'4

• 13+/5'34

#6-5 '-#:

*' 3'-#: %0/5#%5 48+5%*'4 0/ # &'5'%5'& .#+/<.0&6-' *#3&8#3' (#6-5 5*' 3'-#: 8+--

*#/&-'  . #5  !#%&% 3'4+45+7'

The control coprocessor communicates with a programmable controller

through a direct connection to the programmable controller—direct-

connect mode—or via the 1771 I/O chassis backplane—standalone mode.

When you use the serial expander module in either mode, place it

immediately adjacent to the main module under the same locking tab.

DirectĆConnect Mode

In direct-connect mode, either the control coprocessor or the PLC-5



programmable controller initiates communications. The control

coprocessor can read from and write to the PLC-5 programmable

controller data table asynchronously to the ladder-program scan.

You can directly connect the control coprocessor to a PLC-5

programmable controller that has the coprocessor expansion port—

e.g., a PLC-5/11, PLC-5/20, PLC-5/20E, PLC-5/30, PLC-5/40

(series B, revision B or later), PLC-5/40E, PLC-5/40L, PLC-5/60

(series B, revision B or later), PLC-5/60L, PLC-5/80, and

PLC-5/80E programmable controller.



Modes of Communication

with a PLC Programmable

Controller



 %0/530- %0130%'4403 #/& 4'3+#-

'91#/&'3 +/ &+3'%5<%0//'%5

%0..6/+%#5+0/ 8+5* # <

130)3#..#$-' %0/530--'3

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 311 312

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