Parker 8903/IM, Техническое руководство

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8903/IM 8903/IP Ethernet Communications Interfaces
Appendix B : DSE/Ethernet Conversion Rules
The rules governing the conversion between DSE data types and Ethernet 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 DSE
From SINT16 to LOGIC Zero
Non-zero False
True
From SINT32 to LOGIC
Zero
Non-zero False
True
From UINT16 to LOGIC Zero
Non-zero False
True
From UINT32 to LOGIC Zero
Non-zero False
True
From FLOAT to LOGIC
Zero
Non-zero False
True
Data from DSE Data to PLC
From LOGIC to SINT16 False
True 0
1
From LOGIC to SINT32 False
True 0
1
From LOGIC to UINT16
False
True 0
1
From LOGIC to UINT32 False
True 0
1
From LOGIC to FLOAT False
True 0.0
1.0
INTEGER Type Connector
Data from PLC Data to DSE
From SINT16 to INTEGER -32,768 to 32,767
-32,768 to 32,767
From SINT32 to INTEGER
-2,147,483,648 to 2,147,483,547
-2,147,483,648 to
2,147,483,547
From UINT16 to INTEGER
0 to 65,535
0 to 65,535
From UINT32 to INTEGER 0 to 4,294,967,295
0 to 2,147,483,647
limits apply
From FLOAT to INTEGER
32-bit IEEE floating-point
-2,147,483,648 to
2,147,483,547
Fractional part rounded
Data from DSE Data to PLC
From INTEGER to SINT16
-2,147,483,648 to 2,147,483,647
-32768 to 32767
limits apply
From INTEGER to SINT32
-2,147,483,648 to 2,147,483,647
-2,147,483,648 to
2,147,483,647
From INTEGER to UINT16 -2,147,483,648 to 2,147,483,647
0 to 65,535
limits apply
From INTEGER to UINT32
-2,147,483,648 to 2,147,483,647
0 to 2,147,483,647
limits apply
From INTEGER to FLOAT
-2,147,483,648 to 2,147,483,647
32-bit IEEE floating-
point