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
under
3-1 Application Development Environ-
for details.
• Borland C++ Builder
Refer to Refer to
Precautions when Using Other Development Environ-
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.)
Summary of Contents for DeviceNet 3G8F7-DRM21-E
Page 1: ...OPERATION MANUAL Cat No W381 E1 02 3G8F7 DRM21 E DeviceNet PCI Board ...
Page 2: ...3G8F7 DRM21 E DeviceNet PCI Board Operation Manual Revised July 2005 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 29: ...12 Preparation for Operation Section 1 8 ...
Page 67: ...50 PC Watchdog Timer Management Function Section 3 11 ...
Page 115: ...98 Maintenance API Functions Section 4 7 ...
Page 131: ...114 Remote I O Communications Characteristics Section 6 1 ...
Page 145: ...Index 128 ...
Page 147: ...130 Revision History ...