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Initial Settings
Section 6-1
6-1
Initial Settings
6-1-1
Setting the Node Number
Set the DeviceNet node number with the rotary switches on the front of the
Unit. The allowed setting range is 00 to 63; node number settings 64 to 99 are
not allowed. The rotary switch settings are read when the Unit’s power is
turned ON.
6-1-2
Setting the Communications Speed
Set the DeviceNet communications speed with DIP switch 2 on the front of the
Unit. The DIP switch settings are read when the Unit’s power is turned ON.
6-1-3
Attaching Status Information
It is possible to enable and disable the attachment of the CPM2C-S status
information in transmissions from the CPM2C-S to the Master Unit.
The status attachment is set in DM 6605 of the PC Setup, as shown in the fol-
lowing table. The initial setting is 0 (attach status information); change this
setting to 1 to disable attachment of status information. Refer to
for details on the status information.
6-2
Remote I/O Communications
Allocate the DeviceNet read and write areas to specify what part of the PC’s
data area will be used to read and write data from the DeviceNet Master Unit.
Specify the PC data area, starting word address, and number of bytes. Up to
64 bytes can be allocated for DeviceNet remote I/O.
Allocating Read/Write
Areas with the PC Setup
Switch the CPM2C-S to PROGRAM mode and use a Programming Device,
such as a Programming Console or Support Software, to make the following
settings in DM 6605 to DM 6609 of the PC Setup. The settings in these words
are read only when the CPM2C-S is turned ON, so the PC’s power must be
turned OFF and then ON again to make changes effective.
DIP switch 2 settings
DeviceNet
communications speed
Maximum total
communications distance
Pin 1
Pin 2
OFF
OFF
125 kbps
500 m max.
ON
OFF
250 kbps
250 m max.
OFF
ON
500 kbps
100 m max.
ON
ON
Not used.
---
Word
Bits
Function
Default
DM 6605
04 to 07
Sets whether CPM2C-S status is transmitted to
the DeviceNet Master.
0 (Hex): Attach status ahead of data.
1 (Hex): Do not attach status ahead of data.
0
(Attach
status.)
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