P3 9PIN DSUB
J9
J10
=1
VCC=3.3V
AHC86
C60
C61
C62
C63
C64
C40
C41
C42
5V 3.3V
R21 R22
R20
R23
R27
R28
R26
R25
+
C10
+
C11
+
C12
+
C13
5V
C
J7
F9
J8
R32
R31
R24
F10
5V
MAX238
=1
VCC=3.3V
AHC86
=1
VCC=3.3V
AHC86
F11
3.3V
J5
5V
F12
=1
VCC=3.3V
AHC86
F13
3.3V
16C550
MR
RTS*
DTR*
NC
OUT1*
OUT2*
INTRPT
A0
A1
A2
RXRDY*
RCLK
D5
SIN
D7
D6
NC
BAUDOUT*
CS2*
SOUT
CS1
CS0
RD2
TXRDY*
DDIS
RD1*
ADS*
NC
XIN
VSS
WR2
XOUT
WR1*
VCC
RI*
DCD*
DSR*
CTS*
NC
D1
D0
D2
D3
D4
IC20
F14
3.3V
J6
DS2981
6N139
6N139
F15
5V
5V
1
AHCT32
VCC=5V
1
AHCT32
VCC=5V
1
AHCT32
VCC=5V
1
AHCT32
VCC=5V
F16
R30
R29
R33
R19
R34
R35
D1
Z2
Z1
GND-SHIELD
20MACL: IC23, IC24, J5, J9*, J10*
UARTB CONFIGURATION
RS232: IC21, J6A
RS422: IC22, J6B, J7, J8
*: TRANSM.=J9, RECEIV.=J10
PASSIVE=B, ACTIVE=A+C
CURR-FEED
RECEIVER
B
A
C
C
B
B
A
A
TERM.REC.
TERM.TRA.
GND GNDE
DTR
CTS
RTS
-TXD TXDOUT
TXD +TXD
+RXDRXD
TXDIN
RXDIN
20MACL
+5V
-RXD
DSR
RS422
CURR-FEED
TRANSM.
RS232
RS232
RS422
20MACL
RXDOUT
20MACL
1113
12
IC7
4
3
2
1
4
3
2
1
CACA
32
1
IC8
1113
12
IC8
810
9
IC8
65
4
IC8
8
5
7
6
3
2
IC24
8
5
7
6
3
2
IC23
1
2
7
84
5
6
3
IC22
3
2
1
19
18
21
20
22
44
27
13
11
32
36
4325
24
10
35
38
34
23
12
1
39
33
37
41
26 42
9
8
7
6
5
4
3
2
40
16
15
14
17
28
29
30
31
810
9
IC7
2
1
65
4
IC7
32
1
IC7
9
15
11
20
21
24
19
1
18
2
5
17
16
22
23
43
67
8
14
13
12
10
IC21
2
1
2
1
MTG2
MTG1
9
8
7
6
5
4
3
2
1
TXDB
+24VI
R4IN
T3IN
C2-
D<15..0>
C1+
C1-
T2IN
T1IN
C2+
T1OUT
VCC
RESET
CSB_N
5V_EXT
WR_N
CLK
RD_N
7
6
5
3
2
2
3
4
1
0
10V
10V
RI-
RI+
DO+
DO-VCC
R3IN
R1IN
R2IN
T4OUT
T3OUT
T2OUT
GND
V+
V-
R3OUT
R2OUT
R1OUT
T4IN
DCDB_N
CTSB_N
DTRB_N
RTSB_N
R4OUT
GND
DI
RO
RXDB
1
A<12..1>
INTB
DSRB_N
CL_EN_N
EasyCoder PX4i and PX6i Service Manual 193
Chapter 16 — Interfaces
Schematics UART B
1-971642-26 Double Serial Interface Board; Schematics 2
To Next Page
Loading...
Need help?
General
Weight and Dimensions
