User`s manual

D–2 Sample Circuits RabbitCore RCM2200
D.1 RS-232/RS-485 Serial Communication
Sample Program: PUTS.C in SAMPLES/RCM2200.
Figure D–1: Sample RS-232 and RS-485 Circuits
VCC
100 nF
100 nF
1
3
4
5
100 nF
100 nF
R2OUT
R2IN
R1OUT
R1IN
T2OUT
T2IN
T1OUT
T1IN
11
12
10
9
14
7
13
8
RXC
RXD
TXC
TXD
PC1
PC2
PC3
PC0
V+
V
2
6
C1+
C1
C2+
C2
J4
6
5
4
3
RS-232
RabbitCore
RCM2200
J4
3
2
1
4
6
7
A
B
D
R
DE
RE
PC0
PC1
PD3
3
4
10
47 kW
680 W
680 W
220 W
485+
485
VCC
RS-485
RabbitCore
RCM2200
SP483EN