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PROTOCOL-SPECIFIC INFORMATION
9.8
SLMP Client
9.8.1 Overview
SLMP (Seamless Messaging Protocol) is an application-level protocol implemented on top of the
Ethernet TCP/IP and UDP/IP layers that is typically used to read and write data from/to devices
supporting compatible 4E (MT) and 3E (ST) frame types. As a client device, the interface card will
initiate a read/write request to a server device. The server device will then respond with the appropriate
data.
For more information regarding the SLMP, the specification is available from CLPA (CC-Link Partner
Association).
Other notes of interest include:
Supports both TCP and UDP transport layers.
•
Target up to 8 remote server devices.
•
•
Supports option to auto-detect the frame type. The frame type is prioritized in the following order: 3E
and 4E. Otherwise the frame type can be manually selected (refer to the server equipment user's
manual).
•
User-specified device codes allow the ability to target any device type, even if the device is not
explicitly supported by the driver.
The driver can be configured to perform a timeout action.
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