-BL2LN87SB02D*CC20 14/20-
n+1
IN1
n
IN0
ALM
bit 1
ALM
bit 0
n+1
IN1
n
IN0
n+3
ALM
bit 1
n+2
ALM
bit 0
b3
b4
b5
b7
b6
b2
b1
b0
b11
b12
b13
b15
b14
b10
b9
b8
n+1
IN1
n
IN0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
ALM bit 0
ALM bit 1
IN0
IN1
Address
offset
[Data Configuration]
*
n = Bit address number assigned to this unit
Bit input information area
<
When alarm bits are not used
>
Address
offset
Bit input information area
<
When alarm bits are used
*
1
, Subsequent to input signal
>
Address
offset
<
When alarm bits are used
*
1
, Latter half of input area
>
Description
Description
Description
Bit input information area
(Number of bit input points /2) + (n+1)
(Number of bit input points /2) + n
Example: When the number of bit transmission points for the master unit is “input: 64 points, output: 64
points,” and this unit is set to address “4”
Bit input information area of master unit
*
1 It depends on lot No. whether alarm bit settings are enabled or not.
*
2 This can be used on the master unit having the status detail area. For details, refer to the manual for the master unit.
Status
details
Status detail area of the master unit
b0: Slave unit voltage drop (DP-DN-side voltage drop)
b2: I/O disconnection
b3: I/O short-circuit
b5: I/O power supply drop (24V-0V-side voltage drop)
■
Status details
The contents of an alarm issued by this unit can be checked with the unit’s ALM indicator and the “status detail area
*
2
”
on the master unit.
A bit corresponding to the status detail area turns ON depending on the contents of the alarm.