4204
FLOW METER
TECHNICAL MANUAL P/N XXX-0000 Rev. 5 Ver. 3.4
40
9 MODBUS PROTOCOL
Protocol type: serial modbus RTU
Speed: 9600, 19200, 38400 bps
This document contains:
Holding registers
User function for data download
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HOLDING REGISTERS
The MSB of the 16-bit value of a register is shown before the LSB
(MSB-1st encoding)
In the case of 32-bit integers, 2 contiguous registers are used. In the
following list if a parameter is associated with 2 contiguous registers means that
this parameter has a 32-bit value.
The registers are identified by its address (add):
reg add
0 Fw ver: MSB = higher N., LSB = lower N.
1 Device Id = 4204
6 Records currently in the local archive (max 29999)
7 State of I/O [1]
8 Level value (mm) [2]
10 Temperature in °C (with bias of 30000: e.g. 30023 means 23°C)
11 Measured distance from the probe (mm)
12-13 Current time of the RTC [3]
16-17 Time ON rele K1 (in minuti)
18-19 Time ON rele K2 (in minuti)
20-21 Time ON rele K3 (in minuti)
22-23 Time ON rele K4 (in minuti)
24-25 Time ON rele K5 (in minuti)
26 N. of commutations of relais K1
27 N. of commutations of relais K2
28 N. of commutations of relais K3
29 N. of commutations of relais K4
30 N. of commutations of relais K5
36-37 Time of last alarm[3]
38 Code of last alarm [4]
Note:
[1] You have the following correspondence:
bit 13 dig inp 5
bit 12 dig inp 4
bit 11 dig inp 3
bit 10 dig inp 2
bit 9 dig inp 1
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