Omron DeviceNet 3G8F7-DRM21-E, Руководство по эксплуатации

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9
Specifications
Section 1-6
1-6-3 Scanner SDK Communications Specifications
Note The communications cycle time is the maximum time from when remote I/O
communications are executed by the Master to a Slave until remote I/O com-
munications are executed again for the same Slave.
Minimum System
Requirements Hardware Requirements
IBM PC/AT or Compatible
• At least one PCI bus slot (PCI bus Rev. 2.0 or later)
• 5 MB min. free hard disk space
(plus additional space for the user program)
• One CD-ROM drive is required to install the software.
• VGA or better display functions.
The processor, memory capacity, and other specifications not listed above
should conform to the recommendations for the operating system used.
OS
Microsoft Windows 95, 98, Me, NT 4.0, 2000, or XP.
Windows 3.1 and Windows NT 3.5 are not supported.
1-6-4 Development Environment
Recommended
Development Environment Microsoft Visual C++ (Ver. 6.0 or later.)
Other Development
Environments • Microsoft Visual Basic
Some functions are limited. Refer to Precautions when Using Other
Development Environments under 3-1 Application Development Environ-
ments for details.
• Borland C++ Builder
Refer to Refer to Precautions when Using Other Development Environ-
ments under 3-1 Application Development Environments for details.
Item Specifications
Supported I/O connections • Bit Strobe
• Polling
• Cyclic
• Change of State (COS)
• Explicit Peer-to-peer Messaging
Communications cycle time (See note.) 2 to 500 ms (Can be specified using API functions.)
Number of server nodes capable of simultaneous
communications as explicit clients 63 nodes
Number of client nodes capable of simultaneous
communications as explicit servers 4 nodes
Data length for explicit messages Client:
Explicit message request: 552 bytes
Explicit message response: 552 bytes
Server:
Explicit message request: 552 bytes
Explicit message response: 552 bytes
Response monitoring time for explicit messages (for
clients) 2 s (default) (Can be specified using API functions.)
Retries for explicit messages 0 (Retries must be performed by the user application.)