Parker 8903/DN, Техническое руководство

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DeviceNet Communications Interface
Appendix B : DSE/DeviceNet Conversion Rules
The rules governing the conversion between 890 data types and DeviceNet PLC data types are
given below. Note carefully that some conversions will result in rounding, limiting and
truncation of the original value.
LOGIC Type Connector
Data from PLC Data to 890
From BOOL to LOGIC False
True False
True
From SINT to LOGIC Zero
Non-zero False
True
From INT to LOGIC Zero
Non-zero False
True
From DINT to LOGIC
Zero
Non-zero False
True
From USINT to LOGIC Zero
Non-zero False
True
From UINT to LOGIC Zero
Non-zero False
True
From UDINT to LOGIC
Zero
Non-zero False
True
From REAL to LOGIC Zero
Non-zero False
True
Data from 890 Data to PLC
From LOGIC to BOOL False
True False
True
From LOGIC to SINT
False
True 0
1
From LOGIC to INT False
True 0
1
From LOGIC to DINT False
True 0
1
From LOGIC to USINT
False
True 0
1
From LOGIC to UINT False
True 0
1
From LOGIC to UDINT False
True 0
1
From LOGIC to REAL False
True 0.0
1.0