Starting Procedures
When using this product for the first time, pursue work while making sure to avoid omission and incorrect
wiring by referring to the procedure below. “PC” stated in this section means “PC software”.
This section explains the procedure for starting up the Gateway Unit. For the settings and wiring of each of
the individual devices, controllers, and actuators connected to the network, refer to the individual device's
Instruction Manual.
Troubleshooting
On Gateway Unit, there are the monitor LEDs for the field network and SIO communication.
You can confirm the communication establishment and also communication errors on these LEDs.
1. DeviceNet (RCM-GW-DV)
Gateway Unit Status Display LEDs
LED
Color Indication
Description
Illuminating CPU is in process.
RUN
GN
OFF
The power is OFF or CPU is not working. Please contact us if
the LED does not turn ON even after the power is turned ON.
Illuminating CPU error. Please contact us.
G.ER
RD
OFF
CPU is operating in normal condition.
Illuminating
Either an error is occurred on DeviceNet module or the
connection with DeviceNet is not established.
Check the communication status LEDs for the connection to
DeviceNet, and check the settings and wirings. Even if this LED
is ON, the connection to the teaching tool is available as long as
RUN is turned ON.
Flashing
The port switch is ON. The interval for the flashing should be
1sec.
C.ER
RD
OFF
Status is in normal condition.
Illuminating
There is a communication
error occurred to all the
axes that are in SIO
communication with the
connected IAI controller.
Flashing
There is a communication
error occurred to one or
more of the axes that are
in SIO communication
with the connected IAI
controller.
• Check the settings in the
parameters (No. 16 and 17) for
each axis controller.
• Check the axis number settings.
• Check the wiring connections of
SIO communication lines.
• Check the terminal resistance
devices.
• Check the noise prevention
equipment.
T.ER
RD
OFF
Status is in normal condition.
DeviceNet status indicator LEDs (MS: Node condition, NS: Network condition)
LED
Color Indication
Description
Illuminating The machine is in the normal operation.
GN
Flashing
Connection to the master is not established.
Check if it has been registered in the master’s scanning list.
Illuminating
A hardware error occurred.
Board must be replaced. Please contact us.
RD
Flashing
There is an error occurred but it is not critical such like a
configuration error or incorrect switch settings.
It can be recovered with a rebuild of the settings.
MS
−
OFF
Power is not supplied.
Illuminating
The connection has been established and the communication is
being performed normally.
GN
Flashing
Online but network connection is not yet established.
Communication Stop (Network is normal). Check the scan list.
Illuminating
A communication error has
occurred. The communication
cannot be established due to a
duplication of node addresses or a
Busoff (communication stop due to
frequent data error detection).
RD
Flashing
A communication error has
occurred.
(Communication time-out is detected.)
Check the node address
settings, baud rate
setting, communication
line wiring connections,
terminal resistance
connections,
communication power
supply, noise prevention,
etc.
NS
−
OFF
The machine is not on-line. The power to the DeviceNet is not
supplied.
Refer to Instruction Manual for the details of the DeviceNet status check.
SIO Communication Status Display LEDs
LED
Color Indication
Description
Flashing
Data is being sent (from Gateway Unit to IAI controller).
TxD
GN
OFF
Data sending is being stopped (from Gateway Unit to IAI
controller).
Flashing
Data is being received (from IAI controller to Gateway Unit).
RxD
GN
OFF
Data receiving is being stopped (from IAI controller to Gateway
Unit).
2. CC-Link (RCM-GW-CC)
Gateway Unit Status Display LEDs
LED Color Indication
Description
Illuminating CPU is in process.
RUN
GN
OFF
The power is OFF or CPU is not working. Please contact us if
the LED does not turn ON even after the power is turned ON.
Illuminating CPU error. Please contact us.
G.ER RD
OFF
CPU is operating in normal condition.
Illuminating
Either an error is occurred on CC-Link module or the connection
with CC-Link is not established.
Check the communication status LEDs for the connection to
CC-Link, and check the settings and wirings. Even if this LED is
ON, the connection to the teaching tool is available as long as
RUN is turned ON.
Flashing
The port switch is ON. The interval for the flashing should be
1sec.
C.ER RD
OFF
Status is in normal condition.
Illuminating
There is a communication
error occurred to all the
axes that are in SIO
communication with the
connected IAI controller.
Flashing
There is a communication
error occurred to one or
more of the axes that are
in SIO communication
with the connected IAI
controller.
• Check the settings in the
parameters (No. 16 and 17) for
each axis controller.
• Check the axis number settings.
• Check the wiring connections of
SIO communication lines.
• Check the terminal resistance
devices.
• Check the noise prevention
equipment.
T.ER
RD
OFF
Status is in normal condition.
CC-Link status indicator LEDs (MS: Node condition, NS: Network condition)
LED Color Indication
Description
Illuminating
The machine is in the normal operation. (Illuminated once
communication started)
RUN GN
OFF
Not in the network or timeout (The illumination is turned off if the
communication is shut off for a certain time.)
Illuminating Baud rate or station number setting is not correct.
Flashing
Error in reception data to self station. (CRC error : Data error is
detected)
ERR RD
OFF
Status is in normal condition.
Illuminating Data is being received.
RD GN
OFF
There is no received data.
Flashing Data is being sent.
SD GN
OFF
There is no sent data.
Refer to Instruction Manual for the details of the CC-Link status check.
SIO Communication Status Display LEDs
LED Color Indication
Description
Flashing Data is being sent (from Gateway Unit to IAI controller).
TxD GN
OFF
Data sending is being stopped (from Gateway Unit to IAI
controller).
Flashing Data is being received (from IAI controller to Gateway Unit).
RxD GN
OFF
Data receiving is being stopped (from IAI controller to Gateway
Unit).
No→
Yes
→
←Yes
→
←Yes
→No
Check of Packed Items
Has everything been received?
Contact us or our distributor.
Installation and Wiring
Following Instruction Manual and this guide, set Gateway Unit
and have the wirings for the network and SIO completed.
Also, have all the wirings done for the power supply, actuator
motor and encoder cable following the instructions on the
Instruction Manual for each controller.
Point Check Item
• Is frame ground (FG) connected?
• Has the noise countermeasure been taken?
• Is the terminal treatment conducted on the shielded wire?
• Is the terminal resistance connected?
Initial Settings of Gateway Unit
Ensure the settings for the mode, field network baud rate and
node addresses (station numbers) comply with the system.
Initial Settings of IAI Controller Connected to Gateway Unit
• Have the settings for axis numbers.
• Have the setting for Parameter No. 16 SIO Baud Rate to 230.4kbps.
• Have the setting for Parameter No. 17 Slave Station Transmitter Activation Minimum Waiting Time to 2msec.
• Have all other necessary parameter settings done.
PLC (Master Unit) Baud Rate
Have the settings for the node addresses (station numbers)
and baud rate.
Important Check Item
Is the programmed Gateway control sequence
complied with the operation mode and the system?
Power Supply
1) Supply the power to the IAI controller that is connected to Gateway Unit.
2) Supply the power to Gateway Unit
3) Supply the power to PLC (master unit)
Communication Establishment Check
• Confirm that the communication has been established by checking
the monitor LEDs on Gateway Unit.
[Refer to Troubleshooting Section.]
• Are the LEDs turned on in normal condition? Is PLC (master unit)
side also in normal condition?
(Note) Refer to the PLC and master unit instruction manuals for the
details how to check on the master unit side.
Reconfirm all the settings following the procedure
in this chart while referring to the Instruction Manual
for each unit, controller and PLC.
Communication is established. Move on to the system operation check and adjustment.
↓ Yes
↓
↓
↓
↓
