ETH_MOD_MAST Limitations.
How many ETH_MOD_MAST blocks can i use in a program, How much data i can send maximum through one ETH_MOD_MAST block.
Asked 6 months ago
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There is no compiler or IDE limitation how many ETH_MOD_MAST function block instances can be created in user program. The manual states that "Only a single instance per slave can be used with this Function Block". This should be your first limitation. Second is the number of free user sockets. That depends on used hardware, firmware and user application.
Maximum data send through one ETH_MOD_MAST function block is limited by the input ADDR to 65536 addresses. Maximum data with one request (Rising edge to EN input) is depending the function code and also the firmware. With Automation builder version <1.x the limitation with FCT 3, 4 and 16 was 100 words.
Automation Builder 1.2
Automation Builder 2.1
Automation Builder 2.1
Maximum data send through one ETH_MOD_MAST function block is limited by the input ADDR to 65536 addresses. Maximum data with one request (Rising edge to EN input) is depending the function code and also the firmware. With Automation builder version <1.x the limitation with FCT 3, 4 and 16 was 100 words.
Automation Builder 1.2
Automation Builder 2.1
Automation Builder 2.1
Answered 6 months ago
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