Yaskawa Remote logic I/O PCB for use with Microtrac DSD LAN User Manual

Page 4

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CHANNEL SELECT JUMPER

The channel select jumper (J2) allows

the LOGIO to be defined at a previously
specified channel. The channel select
jumper must be in place prior to powering
up a remote I/O system in order for the RIO
to recognize that the LOGIO exists.

NON-ISOLATED LOGIC INPUTS

The LOGIO has 16 non-isolated logic

inputs. The inputs are suitable for 24 VDC
logic only. All of the inputs are software
configurable to be of type sink or source,
however, all of the inputs must be of the
same type.

An input that is specified as sink is a

logical 1 (Hi) when the input is grounded. In
the sink configuration, a pullup 2.7 K ohm
resistor is provided to the +24 VDC source.
The resistor is provided to keep the input in
the off state (logic 0) in the absence of an
input.

An input that is specified as source

means that an input is a logical 1 (High)
when the input is at the +24 VDC level. In
the source configuration, a pulldown 2.7 K
ohm resistor is provided to COMMON. The
resistor is provided to keep the input in the
off state (logic 0) in the absence of an input.

The non-isolated logic inputs are

called LIN0 through LIN15 and can be
connected through TB1 pins 5 through 12
for LIN0 to LIN7, respectively, and through
TB1 pins 17 through 24 for LIN8 to LIN15,
respectively. Power connection terminals
are provided that will supply +24 VDC (TB1
pins 1, 2, 13, 14) and COMMON (TB1 pins
3, 4, 15, 16).

NON-ISOLATED LOGIC OUTPUTS

The LOGIO has 7 non-isolated logic

outputs. Each output is capable of sinking
200 mA to COMMON when in the on state
(when a logic 1 is written). When in the off
state (when a logic 0 is written), the output
will float.

The non-isolated logic outputs are

called LOUT0 through LOUT6 and can be
connected through TB1 pins 29 through 35,
respectively. Power connection terminals
are provided that will supply +24 VDC (TB1
pins 25, 26) and COMMON (TB1 pins 27,
28).

ISOLATED LOGIC I/O

The LOGIO has 8 sockets (J3 to J10

for I/O module 0 to 7) that will support up
to 8 OPTO-22 type isolated logic I/O
modules. These I/O modules come in a
variety of configurations including input
activation by +5 VDC or 115 VAC and
outputs capable of driving 115 VAC. Each
I/O module has a 5 amp fuse (F1 to F8 for
I/O module 0 to 7) in series with the load.
The fuse is socketed for ease of replacement.
Each I/O module also has a status LED
(DS1 to DS8 for I/O module 0 to 7). The
LED will light when the module is on (input
is present, output is turned on). The LED
can facilitate trouble shooting.

Writing a logic 1 to an output I/O

module will assert the module’s output.
Likewise, an input module will be a logic 1
when the input is asserted. The connections
to the modules can be made as follows:

RD 798-10

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