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SECTION 3
Receive Mail Function
This section describes how to use the Ethernet Unit’s Mail Receive Function, including specifications, status details, I/O
memory data formats, file transfer timing, application examples, and troubleshooting information.
3-1 Mail Receive Function Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3-1-1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3-1-2 Table of Remote Mail Commands . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3-2 Mail Receive Function Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-2-1 Function Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-3 Using the Mail Receive Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3-3-1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3-3-2 Settings Required for the Mail Receive Function. . . . . . . . . . . . . . . 39
3-3-3 Receive Mail Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-4 Remote Mail Command Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3-4-1 Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3-4-2 Response List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3-5 Mail Receive Function Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3-5-1 Accessing Memory/Receiving Mail Flag . . . . . . . . . . . . . . . . . . . . . 60
3-6 I/O Memory Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3-7 Attached File Transfer Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
3-8 Mail Receive Function Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
3-8-1 Identifying and Correcting Mail Receive Function Errors . . . . . . . . 63
3-8-2 Troubleshooting Mail Receive Errors with LED Indicators. . . . . . . 63
3-8-3 Error Log Codes Related to the Mail Receive Function. . . . . . . . . . 64
3-9 Example Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3-9-1 Step 1. Create the I/O Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3-9-2 Step 2. Make the Unit Setup Settings from the CX-Programmer. . . 65
3-9-3 Step 3. Transfer the CPU Bus Unit Setup Settings. . . . . . . . . . . . . . 66
3-9-4 Step 4. Send Remote Mail Commands. . . . . . . . . . . . . . . . . . . . . . . 66
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