Cirrus-logic CobraNet User Manual download pdf (Page 32)

CobraNet Programmer’s Reference

Management Interface Variable Reference

6.2.9 Integer16

A signed, 16-bit integer. Valid range is -2

(-32,768) to 2

-1 (32,767).

24-bit HMI: Signed data is represented in 2's complement form. The most significant 16

bits of the 24-bit host data contain the significant bits. The LS 8 bits are read as zero and

must be written as zero.

32-bit HMI: Same as 32-bit Integer type with useful values less than 2

(65,536).

SNMP: Bad Value may be reported if value magnitude exceeds 2

on a set operation.

6.2.10 Integer48

Integer48 is specific to 24-bit platforms. This type is a signed, 48-bit integer. On 32-bit

platforms Integer48 is identical to the Integer type.

24-bit HMI: Data is stored in 2 consecutive memory locations. The most significant word

appears first. Signed data is represented in 2's complement form.

32-bit HMI: Signed data is represented as the single word in 2's complement form used

for the Integer type.

SNMP: Only the least-significant 32-bits of the value is reported.

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Cirrus-logic CobraNet User Manual Page 32