AnyWireASLINK
6-2
6.2 Slave units
Types of slave units
This product uses slave units for the AnyWireASLINK system.
The following types of slave units can be used.
Name
Example of devices to be connected
Input/output unit
General-purpose switches, sensors, LEDs, solenoid valves, relays, etc.
Relay output terminal
AC drive load, etc.
Manifold driver
Dedicated manifold
Digital link sensor
Integrated transmission/sensing functions
General-purpose input head
Dedicated function
device
ASLINK POKAYOKE terminals, ASLINK mapping terminals
Confirm the model name and type of the slave unit by using the separate AnyWireASLINK system
catalog.
Number of slave units connected
The maximum number of slave units that can be connected to one line of the AnyWireASLINK system
is 128 units.
(It is necessary that both the total number of points occupied by slave units and the total consumption
current of the transmission line do not exceed the maximum number of transmission points and the
allowable supply current.)
Connection of slave units
There are roughly two types of methods for the connection of AnyWireASLINK slave units.
One is the "two-wire (non-isolated) type" method and the other is the "four-wire (isolated) type" method.
Classification
Operation
Two-wire (non-isolated)
type
Slave units and connection loads are driven with just two transmission lines.
Four-wire (isolated) type
Two transmission lines are used to drive the transceivers. Slave units and
connection loads are driven by two external power supply lines.
This is selected when the allowable supply current via two transmission lines
is insufficient, or when you wish to separate the power supply to the load.
Any configuration consisting of the two-wire type only, the four-wire type only, or a mixture of two-wire
and four-wire types can be used.
The choice whether to use a two-wire type or a four-wire type depends on the slave unit.
