Centrica Modbus TCP Panduan Pemrogram - Halaman 6

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Bridge Modbus Software Model

Modbus Register Map

This section is for use by the Modbus Host programmer. The image below shows the bridge
register map as reflected to the Modbus Master:
Register #
Type
(Dec)
Bridge date/time
40001
R/W
40002
Bridge information
30001
R
30002
R
30003
30004
R
30005
R
30006
R
30007
R
30008
R
30009-30010
R
Sensor Readings [Array of 32 slots]
32001+32N
R
32002+32N
R
32003+32N
32004+32N
R
32005+32N
R
32006+32N
32007+32N
R
32008+32N
32009+32N
R
32010+32N -
R
32020+32N
Pulse Counter #1 Readings
35001
R
35002-35003
R
35004-35005
R
Pulse Counter #2 Readings
35006
R
35007-35008
R
35009-35010
R
Functional
Description
Code
R- 4
Bridge date and time
W-16
(UNIX time)
3
Bridge model
3
Bridge serial #
3
Bridge mode
3
Bridge HW version
3
Bridge FW ver. - Major
3
Bridge FW ver. - Minor
3
Bridge Noise Floor [dBm]
3
Assigned slots
3
Sensor status
Sensor S/N
3
(0: unassigned slot)
3
Sensor Type
Unix Epoc Timestamp
3
(0: RTC not set)
3
Current Reading [A]
3
Reading RSSI [dBm]
3
Reserved for future use
3
Status
3
Unix Epoc Timestamp
3
Count (Pulse #1)
3
Status
3
Unix Epoc Timestamp
3
Count (Pulse #2)
Table 1 Bridge Register Map
Size (16 bit
Format
words)
2
UINT32
1
UINT16
2
UINT32
1
UINT16
1
UINT16
1
UINT16
1
UINT16
1
INT16
2
UINT32
1
UINT16
2
UINT32
1
UINT16
2
UINT32
2
FLOAT32
1
INT16
11
1
UINT16
2
UINT32
2
UINT32
1
UINT16
2
UINT32
2
UINT32
Comments
Set through Modbus or by NTP
0-GEN3, 1-GEN4, 2- GEN4.5
Could be used as a test register
1- Standalone, 2- Combined
Bit field format. One bit per slot.
st
1
slot in LSB.
1 – assigned slot, 0 - unassigned
0-Slot Empty,
1-No message RX,
2- Message RX
3-
Message RX
, No RTC
N=Slot # (0-31)
10 -PAN10, 12-PAN12, 14- PAN14
N=Slot # (0-31)
N=Slot # (0-31)
N=Slot # (0-31)
N=Slot # (0-31)
0-Disabled,
1-No pulse received since reboot
2-No RTC,
3- Pulse received since last reboot
(0: RTC not set)
Accumulated count during the
lifetime of the bridge
0-Disabled,
1-No pulse received since reboot
2-No RTC,
3- Pulse received since reboot
(0: RTC not set)
Accumulated count during the
lifetime of the bridge