
Mounting and Connecting the DL-RB1A
15
2-1
Connecting the DL-RB1A to External Devices
I/O Connector
This section describes the pin assignments and each signal on the I/O connector.
Pin No.
Direction
Signal name Description
1 Input IDSEL1
ID No. selection input 1
2 Input IDSEL2
ID No. selection input 2
3 Input IDSEL3
ID No. selection input 3
4 Input IDSEL4
ID No. selection input 4
5 Input DRQ Data request input
6 Output BCD DIGIT 1 (1) BCD 1st digit 1 x 10
0
7 Output BCD DIGIT 1 (2) BCD 1st digit 2 x 10
0
8 Output BCD DIGIT 1 (4) BCD 1st digit 4 x 10
0
9 Output BCD DIGIT 1 (8) BCD 1st digit 8 x 10
0
10 Output BCD DIGIT 2 (1) BCD 2nd digit 1 x 10
1
11 Output BCD DIGIT 2 (2) BCD 2nd digit 2 x 10
1
12 Output BCD DIGIT 2 (4) BCD 2nd digit 4 x 10
1
13 Output BCD DIGIT 2 (8) BCD 2nd digit 8 x 10
1
14 Output BCD DIGIT 3 (1) BCD 3rd digit 1 x 10
2
15 Output BCD DIGIT 3 (2) BCD 3rd digit 2 x 10
2
16 Output BCD DIGIT 3 (4) BCD 3rd digit 4 x 10
2
17 Output BCD DIGIT 3 (8) BCD 3rd digit 8 x 10
2
18 Output BCD DIGIT 4 (1) BCD 4th digit 1 x 10
3
19 Output BCD DIGIT 4 (2) BCD 4th digit 2 x 10
3
20 Output BCD DIGIT 4 (4) BCD 4th digit 4 x 10
3
21 Output BCD DIGIT 4 (8) BCD 4th digit 8 x 10
3
22 Output BCD DIGIT 5 (1) BCD 5th digit 1 x 10
4
23 Output BCD DIGIT 5 (2) BCD 5th digit 2 x 10
4
24 Output BCD DIGIT 5 (4) BCD 5th digit 4 x 10
4
25 Output BCD DIGIT 5 (8) BCD 5th digit 8 x 10
4
26 Output BCD DIGIT 6 (1) BCD 6th digit 1 x 10
5
27 Output BCD DIGIT 6 (2) BCD 6th digit 2 x 10
5
28 Output BCD DIGIT 6 (4) BCD 6th digit 4 x 10
5
29 Output BCD DIGIT 6 (8) BCD 6th digit 8 x 10
5
30 Output BCD SIGN
BCD data polarity
code
31 Output BCD STB
*1
Strobe output
32 Output ALARM
*2
Alarm output
33
Common
COM Common
34
Common
COM Common
*1Be sure to load the BCD output (Pin Nos. 6 to 30) when the
strobe output (Pin No. 31) is turned on.
*2Alarm output will be turned off when the alarm is generated.
(It is turned on in normal conditions.)
Connector terminal area
I/O connector
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
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