187
Unit Descriptions
DeviceNet Wireless Link
WD30
■
Wireless Interface Specifications
Note: 1.
The actual transmission distance depends on many factors in the installation environment.
2.
The wireless system is not suitable for applications requiring real-time control.
■
DeviceNet Interface Specifications (Summary)
Note:
FINS message communications are not supported. Explicit messages must be handled in the ladder program. Refer to the
WD30 DeviceNet
Wireless Units Operation Manual
for details.
■
I/O Points
Note:
Relay Stations can be used to create up to 3 levels and DeviceNet Slaves can be connected in each level. Terminators are required when
Slaves are connected to a Relay Station or Slave Station. Refer to the
WD30 DeviceNet Wireless Units Operation Manual
for details on Ter-
minator installation.
Item
Specifications
Wave type
Spread Spectrum (direct sequence; DS-SS)
Communication method
Simplex (half duplex)
Frequency band
2.4 GHz (2401 MHz to 2480.2 MHz)
Number of channels
34 channels (based on frequency division)
Antenna power
10 mW
Data transfer speed between wireless units
100 kbps
Transmission distance (See note 1.)
Indoors: 60 m (approx. 50 m with magnetic base antennas)
Outdoors: 300 m (unobstructed)
Relay stations
3 repeaters max.
Max. number of sets in the same area (See note 1.)
10 sets max.
Max. number of wireless Slaves
64 max.
Item
Specifications
Communications functions
(See note.)
Master/Slave connections
Remote I/O functions and Explicit message communications functions
Self-diagnostic functions
Unit
WDT error, hardware errors (such as memory and CAN errors), and setting er-
rors
DeviceNet communications
Duplicate node address errors, Bus OFF detection, and connection timeout
Device profiles
Communication control unit
Refer to Appendix A of the
WD30 DeviceNet Wireless Units Operation Manual
for various DeviceNet IDs (vendor, device type = communication adapter, prod-
uct code, product revision, product name, serial number, status, and I/O unit
IDs.)
Name
Number of I/O points (words used)
DeviceNet Wireless Master
1,600 inputs max. (100 words)
1,600 outputs max. (100 words)
DeviceNet Wireless Slave
512 inputs max. (32 words)
512 outputs max. (32 words)