KDA3
P. 4 / 5
EM-3646 Rev.2
■
CONNECTION DIAGRAM
INPUT CONNECTOR (26-pin)
■
BCD INPUT
■
BINARY, TWO'S COMPLEMENT INPUTS
PIN NO.
ASSIGNMENT
PIN NO.
ASSIGNMENT
1
1
×
10
0
17
COM (–)
2
2
×
10
0
18
COM (–)
3
4
×
10
0
19
No connection
4
8
×
10
0
20
POL
5
1
×
10
1
21
LOAD
*
1
6
2
×
10
1
22
LOAD
*
1
7
4
×
10
1
23
P
0
*
2
8
8
×
10
1
24
P
1
9
1
×
10
2
25
P
2
10
2
×
10
2
26
P
3
11
4
×
10
2
12
8
×
10
2
13
1
×
10
3
14
2
×
10
3
15
4
×
10
3
16
8
×
10
3
*1. Pin No. 21 and 22 are internally connected.
*2. P
0
corresponds to n
×
10
0
, P
1
to n
×
10
1
, P
2
to n
×
10
2
, P
3
to n
×
10
3
. Only P
0
corresponds when the parity for all digits are
valid.
Note: With the number of bits set to 14 (or 12, 10, 8) with
ITEM 18, Pin No. 1 – 14 (or 1 – 12, 1 – 10, 1 – 8) are valid.
PIN NO.
ASSIGNMENT
PIN NO.
ASSIGNMENT
1
B
0
17
COM (–)
2
B
1
18
COM (–)
3
B
2
19
No connection
4
B
3
20
POL
5
B
4
21
LOAD
*
1
6
B
5
22
LOAD
*
1
7
B
6
23
P
0
*
2
8
B
7
24
P
1
9
B
8
25
P
2
10
B
9
26
P
3
11
B
10
12
B
11
13
B
12
14
B
13
15
B
14
16
B
15
*1. Pin No. 21 and 22 are internally connected.
*2. P
0
corresponds to B
0
through B
3
, P
1
to B
4
through B
7
, P
2
to
B
8
through B
11
, P
3
to B
12
through B
15
. Only P
0
corresponds
when the parity for all digits are valid.
Note: With the number of bits set to 14 (or 12, 10, 8) with
ITEM 18, Pin No. 1 – 14 (or 1 – 12, 1 – 10, 1 – 8) are valid.
U(+)
V(–)
POWER
7
8
PU-2
❑
MODULAR JACK
PU-2
❑
MODULAR JACK
+
–
OUTPUT
1
2
INPUT
CONNECTOR
■
Input Connection Examples
• Standard type
TTL level
• Option /A
24V DC
PLC
DA3
DA3
DA3
5V
Open collector, sink type
PLC
24V
PLC
CONNECTOR
CONNECTOR
CONNECTOR
TIMING CHART
LOAD INPUT
DATA INPUT
The unit reads data upon detecting a change of LOAD input status.
DO NOT change LOAD input setting when the data input logic is changed.
10 ms min.
1 ms min.
• Example: TTL Level Input (factory setting)