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A bit value of 1 means the physical relay needs to be updated, a bit value of 0 means the physical
relay does not need to be updated.
Example:
Register 06009, Relays Pending Updates 1-16, might contain the following data:
Address
Value
Bytes
Bits
06010
0440H
3.38:
Type
F38
Shadowed
Relay
States
Q
Length: 1 Register (2 bytes)
Q
This register has two bytes. Each byte has eight bits. The bits in these bytes are associated with the
16 Relays, the most significant byte with Relay 1 through to the least significant bit of the least
significant byte with Relay 16.
A bit value of 1 means the relay is supposed to be energized (connected to Normal Open), a bit
value of 0 means the relay is supposed to be de-energized (connected to Normal Close). These
states have not necessarily been confirmed by polling the relay device.
Example:
Register 06010, Shadowed Relay States 1-16, might contain the following data:
Address 06009
Value 0461H
Bytes
Bits
Point
Relay
Update?
Interpretation
61H04H
Relays 6, 10, 11 and 16 need to be updated, all others are in their correct states.
00000100 1001
14
15
0100
012345678910111213 15
1234567891011121314 16
Yes Yes Yes Yes
40H
Point
Relay
State (NO/NC)
Relays 6 and 10 are supposed to be energized, all other de-energized, not necessarily confirmed.
04H
Interpretation
0010100000000000
0123456789101112131415
12345678910111213141516
NC NC NC NC NC NO NC NC NC NO NC NC NC NC NC NC