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E-880CM-1-E
1
6. COMMUNICATION FORMAT
6.1 Command Format
O O F O R R O O
……
S
T
X
E
T
X
B
C
C
No.
Item
Description
Bytes
1
Client system No.
Client system (EL4511) address 00 thru 0F in 16 ways
2
2
Host system No.
Host system (PC, etc.) address F0 thru FF in 16 ways
2
3
Command
Defined by two upper case English characters
2
4
Function code
Defined by two upper case English characters for each command
2
5
Characters
Defined for each command
Inde
fi
nite
6
BCC
(1) None
(2)
SUM
(3)
BCC
(XOR)
0
2
2
7
Terminate
(1) None
(2)
LF
(3)
CR
(4)
CR+LF
0
1
1
2
No.
Item
Description
Bytes
1
Client system No.
Client system (EL4511) address 00 thru 0F in 16 ways
2
2
Host system No.
Host system (PC, etc.) address F0 thru FF in 16 ways
2
3
Response code
Defined by two upper case English characters
2
4
Characters
Defined for each command
Inde
fi
nite
5
BCC
(1) None
(2)
SUM
(3)
BCC
(XOR)
0
2
2
6
Terminate
(1) None
(2)
LF
(3)
CR
(4)
CR+LF
0
1
1
2
All character strings are in ASCII code.
1 2 3 4 5 6 7
6.2 Response Format
O O F O O O
……
S
T
X
E
T
X
B
C
C
1 2 3 4
5 6
Ad
dr
es
s
at
th
e
ot
he
r e
nd
Ho
m
e
Ad
dr
es
s
Co
m
m
an
d
Fu
nc
tio
n
Ch
ar
ac
te
rs
(d
at
a)
Te
rm
in
at
e
Setup is
optional.
Setup is
optional.
Setup is
optional.
Setup is
optional.
Te
rm
in
at
e
Ch
ar
ac
te
rs
(d
at
a)
Re
sp
on
se
c
od
e
Ho
m
e
Ad
dr
es
s
Ad
dr
es
s
at
th
e
ot
he
r e
nd