Intermec EasyCoder 501 XP & 601 XP – Service Manual
140
Chapter 16 Interfaces
16.5 Serial/Industrial
Interface Board, cont.
Serial Port Confi guration
The serial communication port "uart2:" can be confi gured for one
of four different types of serial communication:
• RS-232
• RS-422 non isolated
• RS-422 isolated
• RS-485
By fi tting or removing certain circuits and straps, the desired type
of interface can be selected. This is either done at factory or by the
customer.
Caution!
When fi tting circuits yourself, do it before connecting the inter-
face board and make sure that the circuits are not fi tted upside
down (see front end markings in the illustrations in this chapter.)
Also take care so all “legs” of the circuit fi t into their respective
slots in the socket and are not bent. Also, take proper precau-
tions so as to protect the board and circuits from electrostatic dis-
charges.
RS-232
C7
R56
R55
R54
R53
R52
R8
R3
R2
R1
JP1
IC7
IC6
IC5
IC2
IC1
C15
C14
C13
C12
C11
C6
C5
C4
C3
C2
C1
C8
C9
C10
C20
C21
C22
C23
C24
C25
C26
C27
D1
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
IC3
IC4
IC8
IC9
IC10
IC11
IC12
IC13
IC14
IC15
IC16
IC17
IC18
JP2
P1
P2
P3
P4
R4
R5
R6
R7
R10
R11
R
12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R50
R51
REL1
REL2
REL3
REL4
RP1
RS422nonisol.: IC18, S1,S4
S3
+
+
+
+
S1
S2
S4
1-971606-01.P01
RS232: IC2
RS422isolated: IC3, S2, S4
RS485: IC4, S3, S4*
* Term. if end of cable
Fit RS 232 circuit on IC2
No circuits on IC3, IC4 or IC18
Strap on S4 deactivated
(fi tted on one pin only)
Strap on S1 deactivated
(fi tted on one pin only)
Содержание EasyCoder 501XP
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Страница 113: ...Intermec EasyCoder 501 XP 601 XP Service Manual 111 Chapter 14 Power Supply 14 2 Components cont 1 971601 27 Back Side ...
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