ABB COM600 series User Manual page 15

1MRS756913 COM600 series, Version 5.1
Modbus Serial Slave (OPC) User's Manual
Supported data formats:
• Bit - one coil status.
• Word - one register. The data is used in an unsigned form.
• Integer - one register. The MSB bit is used as a sign bit.
• Long MSW last - signed 32-bit object, which needs two registers in LSW-MSW
order.
• Long MSW first - signed 32-bit object, which needs two registers in MSW-LSW
order.
•
Float MSW last - floating point type, which needs two registers in LSW-MSW order.
•
Float MSW first - floating point type, which needs two registers in MSW-LSW
order.
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