RLE Wi-MGR V.1.6 - Manual (Page 63)

rletech.com Wi-MGR User Guide 63
4
4.2.2 Function 04: Read Input Registers
To read the Wi-MGR’s input values, the master must send a Read Input Registers request
packet.
The Read Intput Registers request packet specifies a start register and the number of registers
to read. The start register is numbered from zero (30001 = zero, 30002 = one, etc.).
Register Name Description Units Range
40001 Id Sensor Identification number uint16 0-65535
40002 Out Of Service Shows when the sensor is in
maintenance mode or offline
uint16 0-65535
40003 Serial # Wireless sensor serial number uint16x4 0-65535
40007 Raw Data #1 First data value displayed by
sensor
Unsigned 32 bit
integer
0-4294967295
40009 Raw Data #2 Second data value displayed
by sensor
Unsigned 32 bit
integer
0-4294967295
40011 Raw Data #3 Third data value displayed by
sensor
Unsigned 32 bit
integer
0-4294967295
40013 Converted Data #1 First data value converted by
the Wi-MGR
Unsigned 32 bit
integer
0-4294967295
40015 Converted Data #2 Second data value converted
by the Wi-MGR
Unsigned 32 bit
integer
0-4294967295
40017 Converted Data #3 Third data value converted by
the Wi-MGR
Unsigned 32 bit
integer
0-4294967295
40019 Age Time since last transmission
received
Unsigned 32 bit
integer
0-4294967295
48001 Offline Delay Time till the sensor reads
offline
uint16 0-65535
Table 4.3 Read Output Registers
Read Registers Request Packet Read Registers Response Packet
Slave Address (1 byte) Slave Address (1 byte)
04 (Function code) (1 byte) 04 (Function code) (1 byte)
Start Register (2 bytes) Byte count (1 byte)
# of registers to read (2 bytes) First register (2 bytes)
Crc Checksum (2 bytes) Second register (2 bytes)
…
Crc Checksum (2 bytes)
Table 4.4 Read Input Registers Packet Structure