Variable
Description
1
0000
0001
15g
-B281*B02U*CC20 15/17-
①
②
2
AWG24
φ
1.5mm
2
AWG24
φ
1.5mm
2
IN(Black), 24VL(Brown),
0VL(Blue)
IN(Black), 24VL(Brown), 0VL(Blue)
OUT(Black), 24VL(Brown)
OUT(Black), 0VL(Blue)
OUT(Black), 0VL(Blue)
OUT(Black), 24VL(Brown)
AWG26
φ
1.0mm
3
2
3
AWG26
φ
1.0mm
B281SB-02U-CC20
B281SB-02US-CC20
B281PB-02U-CC20
B281PB-02US-CC20
B281XB-02U-CC20
B281XB-02US-CC20
IN
OUT
IN
ALM
OUT
LINK
IN(Black), 24VL(Brown), 0VL(Blue)
2
3
*
The figure shows an example of B281XB.
IN
OUT
14
38
7.5
200
200
IN
ALM
OUT
LINK
A
B
DP (Red)
DN (Black)
DP (Red)
DN (Black)
■
Individual specifications
Number of
occupied points
Detection
function
Slave unit voltage drop (DP-DN voltage drop)
I/O disconnection
I/O short-circuit
Weight
Response time
*
4
1ms max.
[Specifications]
[Outside Dimensions]
■
Transmission specifications
*
4 Indicates the internal processing time of this unit. The maximum transmission delay
time is defined as “this time + bit transmission cycle time × 2.”
*
5 For input, the above values are assumed when all IN-0VL pins (NPN) or 24VL-IN pins
(PNP) are short-circuited.
To connect a 3-wire type sensor, add a total current consumption of the sensor.
For output, the above values are assumed when all points are turned ON. Add a total
current consumption of load being connected.
②
Input side
①
Transmission side
■
Specifications of the cable included in ASLINKER
Number of
core wires Core wire size
Signal name
Core wire sheath
outer diameter
Number of
core wires
Core wire size
Signal name
Core wire sheath
outer diameter
Disconnection
monitoring function
setting
I/O disconnection detection and
short-circuit detection enabled
I/O disconnection detection and
short-circuit detection disabled
Used to specify whether the I/O cable
disconnection detecting function is
enabled or disabled.
[Equipment Parameter and Its Setting]
Equipment
parameter
Setting item
Description
Factory setting: 0000
Operating ambient temperature/humidity
Storing ambient temperature/humidity
Vibration resistance
Shock resistance
Atmosphere
Operating altitude
*
1
Pollution level
*
2
■
General specifications
0 – +55°C, 10 – 90%RH No condensation
-25 – +75°C, 10 – 90%RH No condensation
Based on JIS B 3502 and IEC 61131-2
Based on JIS B 3502 and IEC 61131-2
No corrosive gas
0 – 2000m
2 or less
*
1 Do not use or store AnyWireASLINK devices in an environment where the pressure exceeds
the atmospheric pressure at an altitude of 0 meters. Doing so may result in malfunction.
*
2 “Pollution level” is an index that indicates the degree of occurrence of conductive substances
in the environment where the device is used.
Pollution level 2 means the occurrence of only pollution by non-conductive substances.
In such an environment, however, electrical conduction could occur due to accidental
condensation.
B281SB-02U-CC20
B281XB-02U-CC20
B281PB-02U-CC20
B281SB-02US-CC20
B281XB-02US-CC20
B281PB-02US-CC20
NPN bit input: 2 points
NPN bit input: 1 point/
bit output: 1 point
NPN bit output: 2 points
PNP bit input: 2 points
PNP bit input: 1 point/
bit output: 1 point
PNP bit output: 2 points
B281SB-02U-CC20
B281XB-02U-CC20
B281PB-02U-CC20
B281SB-02US-CC20
B281XB-02US-CC20
B281PB-02US-CC20
15.4mA
10.5mA
5.5mA
13.5mA
10.1mA
6.5mA
Transmission side
*
5
(DP-DN)
Current
consumption
Service power supply voltage
Transmission method
Synchronization method
Transmission procedure
Connection mode
Number of
connection points
*
3
Number of connection units
RAS function
24V DC +15% to -10% (21.6 to 27.6V DC)
with a ripple of 0.5Vp-p or less
DC power supply superimposed
total frame/cyclic method
Frame/bit synchronization method
AnyWireASLINK protocol
Bus type (Multi-drop method, T-branch
method, Tree branch method)
Number of bit points: 512 points max.
(Input: 256 bits, Output: 256 bits)
Number of word points: 1024 words max.
(Input: 512 words, Output: 512 words)
Up to 128 units
Detection of transmission line disconnection,
transmission line short-circuit, transmission
power supply drop, and
duplicated/unregistered ID
*
3 The number differs depending on the master unit. Be sure to refer to the manual of the
master unit for the number.
Model
Unit: mm
UL style 2103
2-wire × AWG24 (black)
φ
4.1
UL style 2844
3-wire × AWG26 (black)
φ
3.1
UL style 2844
2-wire × AWG26 (black)
φ
3.1
*
This figure shows an example
of the I/O-mixed type terminal.
