
3
Connecting to an External Device
How to connect
To connect BCD Output Unit DL-RB1A to an external device, use the
connector (MIL connector, female, 34-pin) shown below.
Pin arrangement of I/O connector
*1 Be sure to load the BCD output (Pin No. 6 to 30) when the strobe
output (Pin No. 31) becomes ON. Refer to the "BCD Output Unit
DL-RB1A User's Manual" for more details about the strobe output.
*2 Alarm output will be turned OFF when the alarm is generated.
(ON in normal condition)
I/O circuit diagram
Input circuit diagram (Pin No. 1 to 5)
*
Pin No. 33 and 34 are common to the 0V blue wire on the main sensor amplifier.
Output circuit (Pin No. 6 to 32)
*
Pin No. 33 and 34 are common to the 0V blue wire on the main sensor amplifier.
Output Settings
Use the advanced setting switch for output settings.
• After changing the
settings, be sure to
cycle power.
• After setting, reattach
the included switch
protection sticker.
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
Housing Housing
34-pin MIL connector set
OP-23139
34-pin MIL Slim connector set
OP-42224
Hood cover
Hood cover
4
1
2
3579
1113151719212325272931
68
101214161820222426283032
33
34
33
34
1
2
4
3
579
11 13 15 17 19 21 23 25 27 29 31
6
1210
8
14 201816 22 282624 30 32
▼ Mark
Mark ▼
Rear
Front
Switch No.
Setting item Combination
1 Output logic
Setting enabled only for BCD output (Pin No. 6 to
29) and BCD polarity code output (Pin No. 30).
* Settings before shipment.
Negative logic
: Bit of an input device (external device
including PLC) will be 1 when the BCD
output (Pin No. 6 to 30) is ON.
Positive logic
: Bit of an input device (external device
including PLC) will be 1 when the BCD
output (Pin No. 6 to 30) is OFF.
2
BCD data
output
method
Set the BCD data output method except alarm
output (Pin No. 6 to 31).
* Settings before shipment.
Do not use the switches No.2 and 3 in
combinations other than those shown above.
3
4
BCD output
update
cycle in the
TIMER
mode
* Settings before shipment.
5
6
Main circuit
(Short-circuit current 1mA max.)
+5V
1 to 5
33 or 34*
6 to 32
33 or 34*
IN
COM
Photo coupler insulation
PLC etc.
Internal circuit
Internal circuit
Over current protect circuit
10
0
N
2
3
4
5
6
6
10
2
N
3
4
5
6
Advanced setting switch
ON
1
ON
1
Negative logic *
Positive logic
ON
23
ON
23
ON
23
OUT mode*
OR mode
TIMER mode
ON ONON
ON
45 6
ON ONON
ON
45 6 45 6 45 6
45 6 45 6 45 6 45 6
1ms
*
2ms 4ms 8ms
16ms 32ms 64ms 128ms
Switch protection sticker
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