User Manual
RM169-1
Pag. 33
Doc. MI004760-E
Rev. 0
www.seneca.it
ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY
BE REPRODUCED WITHOUT PRIOR PERMISSION.
Byte Description
Note
10
11
Register 3 – RSSI Master unit
RSSI Value of Master unit related to previous data transmission
(dBm, signed int16)
12
13
Register 4 – RSSI Slave unit
RSSI Value of Slave unit related to previous data transmission
(dBm, signed int16)
14
15 Register 5 – Master Address
Address of RM169-1 setted as Master unit (data sender)
16
17 CRC
Cyclic Redundancy Check
18
Master setup:
-External node connected (register “n”)
-Digital input on
Byte
Description
Note
0
Slave Address
RM169-1 Address setted as Slave unit
1
Function Code
Preset Multiple Register 16
2
Data Address
Address of first register, always 0064
3
4
Register quantity
Value in function of external node register quantity
5
6
Number of bytes to follow
CRC not included, value in function of external node
register quantity
7
Register “n”
External node register quantity “n” connected to PIN 14
and 16. This value must to setted also in “Ext Node
Address Quantity” tab.
8
After register’s node:
8+(n*2)
Register 1 – Digital input
Bit 0 = input 1
Value 1 refer to contact closed (active low)
8+(n*2)+1
8+(n*2)+2
Register 2 – Battery voltage
Not available.
8+(n*2)+3
8+(n*2)+4
Register 3 – RSSI Master unit RSSI Value of Master unit related to previous data
transmission (dBm, signed int16)
8+(n*2)+5
8+(n*2)+6
Register 4 – RSSI Slave unit
RSSI Value of Slave unit related to previous data
transmission (dBm, signed int16)
8+(n*2)+7
8+(n*2)+8
Register 5 – Master address
Address of RM169-1 setted as Master unit (data sender)
8+(n*2)+9
8+(n*2)+10 CRC
Cyclic Redundancy Check
8+(n*2)+11