26
G
AERASGARD
®
RFTM - LQ - PS - CO2 - Modbus
| Telegrams
Function 08 Diagnostics
The following
sub function codes
are supporte
Sub Function
Code
Parameter
Data Type
Answer
00
Echo of transmission data
(Loopback)
Echo data
01
Restart Modbus
(Reset listen-only mode)
Echo telegram
04
Activation listen-only mode
No answer
10
Delete counter
Echo telegram
11
Counter bus telegrams
Unsigned 16 Bit
All valid bus telegrams
12
Counter communication errors
(Parity, CRC, frame errors, etc.)
Unsigned 16 Bit
Faulty bus telegrams
13
Counter exception telegrams
Unsigned 16 Bit
Error counter
14
Counter slave telegrams
Unsigned 16 Bit
Slave telegrams
15
Counter telegrams without answer
Unsigned 16 Bit
Broadcast messages (address 0)
Function 17 Report Slave ID
Composition of answer telegram
Byte Nr.
Parameter
Data Type
Answer
00
Number of bytes
Unsigned 8 Bit
6
01
Slave ID (device type)
Unsigned 8 Bit
14 =
AERASGARD
®
MODBUS
02
Slave ID (device class)
Unsigned 8 Bit
60 =
AERASGARD
®
/
AERASREG
®
03
Status
Unsigned 8 Bit
255 = RUN, 0 = STOP
04
Version number (release)
Unsigned 8 Bit
1...9
05
Version number (version)
Unsigned 8 Bit
1…99
06
Version number (index)
Unsigned 8 Bit
1