Hitachi CP-X4020E - Page 99

8
RS-232C Communication
56&&RPPXQLFDWLRQ
&' 
−
 5' 5'
 7' 7'
 '75 
−
 *1' *1'
 '65 
−
RTS (7) (7) RTS
 '76 &76
RI (9) (9)
−
:KHQWKHSURMHFWRUFRQQHFWVWRWKHFRPSXWHUE\56&FRPPXQLFDWLRQWKH
SURMHFWRUFDQEHFRQWUROOHGZLWK56&FRPPDQGVIURPWKHFRPSXWHU
)RUGHWDLOVRI56&FRPPDQGVUHIHUWR56&&RPPXQLFDWLRQFRPPDQG
table (
9).
Connection
1.
7XUQRIIWKHSURMHFWRUDQGWKHFRPSXWHU
2.
&RQQHFWWKHSURMHFWRUVCONTROLSRUWDQGWKHFRPSXWHUV56&SRUW
ZLWKD56&FDEOHFURVV8VHWKHFDEOHWKDWIXO¿OOVWKHVSHFL¿FDWLRQ
VKRZQLQ¿JXUH
3.
7XUQWKHFRPSXWHURQDQGDIWHUWKHFRPSXWHUKDVVWDUWHGXSWXUQWKHSURMHFWRU
on.
CONTROLSRUW
RIWKHSURMHFWRU
56&SRUW
RIWKHFRPSXWHU
9
54321
6
7
8



1
2
4
3
8
9
5
7
6
CONTROL
RS-232C
(cross)
RS-232C Cable