Intermec PX4i Industrial/Serial Interface Kit Installation Instructions - Page 28

RS-485 Isolated, Half Duplex - drivers

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Chapter 3 - Serial Interface RS-485 Isolated, Half Duplex (reconfiguration required) Remove strap on J2 A Remove RS-232 circuit on IC11 Fit RS-485 driver circuit on IC13 Fit strap on J4 if end of cable (terminator) UARTB IC23 BA J6 F13 J10 R35 R30 J7 C B A C11 R27 C63 C13 IC21 C61 R24 R23 1-971642-01 C10 C12 P01 C60 IC8 NC A K R34 Z2 IC22 R31 F14 F10 F15 F11 F16 F12 R33 IC7 J5 C40 C NC A K Z1 B R25 J8 A R26 F9 J9 R19 C64 R32 P3 RS232: IC21, J6A IC24 RS422: IC22, J6B, J7, J8 20MACL: IC23, IC24, J5 J9*, J10* *: TRANSM.=J9, RECEIV.=J10 PASSIVE=B, ACTIVE=A+C C62 R28 R29 NC A K D1 R20 R21 C36 IC20 R22 C41 RS232: IC11, J2A RS422: IC12, J3, J4 RS485: IC13, J1, J4* *: IF END OF CABLE C4 IC3 C3 C33 IC2 C34 C42 P1 C35 IC10 C51 UARTA BA J2 R15 J3 C2 R14 R13 R12 R16 J4 IC11 C1 IC13 IC12 R8 R18 R10 C56 R9 C57 IC6 C53 R5 C32 C31 IC4 C50 F1 F6 F2 F7 F3 F8 F4 F5 R6 R17 R1 IC1 R7 IC5 IC9 R3 R2 C52 R11 R4 C30 P2 C54 C55 J1 Fit strap on J1 The RS-485 circuit is available as a spare part, see the Spare Parts Catalog. 24 Serial/Industrial Interface Kit Installation Instructions

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A
B
C
C
A
UARTB
B
A
A
B
C
C
A
B
A
UARTA
A
B
C
C
A
B
A
RS232:
IC21, J6A
RS422:
IC22, J6B, J7, J8
20MACL: IC23, IC24, J5 J9*, J10*
*: TRANSM.=J9, RECEIV.=J10
RS232:
IC11, J2A
RS422:
IC12, J3, J4
RS485:
IC13, J1, J4*
*: IF END OF CABLE
PASSIVE=B, ACTIVE=A+C
B
A
P1
C50
C42
C51
C31
C52
C10
C12
C61
IC8
J5
IC7
IC6
IC5
IC4
IC1
R23
R24
C36
C60
C40
R20
R21
R22
IC20
IC21
C33
C34
C35
C41
IC2
C32
C53
C56
C57
R1
R10
R18
R5
R6
R7
R8
R9
IC10
C30
C55
J1
R11
R2
R3
R4
C11
C13
R27
C63
R30
R34
R33
R35
A
NC
K
Z2
IC23
IC24
IC22
C62
C64
A
NC
K
D1
R26
R28
R29
R19
A
NC
K
Z1
C3
C4
IC3
C1
C2
R12
R13
R14
R15
R17
R16
IC12
IC13
F13
J6
J7
J10
J9
P3
F14 F10 F15 F11 F16
F12
F9
R32
R31
P2
F2
F3
F4
F5
F8
F7
J3
J2
J4
C54
F1
F6
IC9
A
NC
K
A
NC
K
R25
A
NC
K
1-971642-01
P01
J8
24
Serial/Industrial Interface Kit Installation Instructions
Chapter 3 — Serial Interface
RS-485 Isolated, Half Duplex
(reconfiguration required)
°e RS-485 circuit is available as a spare part, see the
Spare Parts Catalog.
Fit strap on J4
if end of cable
(terminator)
Remove RS-232
circuit on IC11
Fit RS-485 driver
circuit on IC13
Fit strap on J1
Remove strap
on J2 A