Bit High byte of State Inverter
Bit Low byte of State Inverter
1 - YES
4
Reserved (0)
4
Network voltage Uac - Low
0 - NO
1 - YES
5
Reserved (0)
5
Network frequency Fac - High
0 - NO
1 - YES
6
Inverter remotely off
0 - NO
1 - YES
6
Network frequency Fac - Low
0 - NO
1 - YES
7
Inverter on
0 - NO
1 - YES
7
Inverter temperature - High
0 - NO
1 - YES
8.4. EXCEPTIONS OF THE MODBUS-RTU PROTOCOL
ADA-4040PC-3 in case of received MODBUS-RTU frame, includes:
- unsupported function,
- unknown data address,
- unknown data value
- or when SunMaster inverter not respond on inquiries
returns to MASTER type device the frame containing the appropriate exception – described below.
Response – in case of error
Byte no
Designation
Size
Value [hex]
00
Inverter address
1-Byte
11 [11 to F7]
01
Function code
1-Byte
83 / 84
02
Error code
1-Byte
01 – unknown function
02 – unknown data address
03 – unknown data value
04 – SunMaster inverter not respond or is faulty
03
CRC-Lo
1-Byte
04
CRC-Hi
1-Byte
9. VERSIONS
ADA- 4040PC3 -
-
Order example:
Product Symbol:
ADA-4040PC3-1-23
1
– standard version,
23
– 1kV=, 3-way galvanic isolation,
Version:
Standard
1
3-way galvanic isolation:
1kV=
23
3kV=
33
10. SPECIFICATION
TECHNICAL DATA
Transition Parameters
Interface
RS-485/RS-422 (SUN)
RS-485/RS-422 (RTU)
Connector
Screw terminal, wire max. Ø 2,5mm
2
Screw terminal, wire max. Ø 2,5mm
2
Line length
1200m (depends on baud rate)
1200m (depends on baud rate)
Max. number of connected device
Up to 32 devices
Baud rates (bps)
300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 57600, 76800,
115200, 230400,
Data formats
Data bits 5, 6, 7, 8,
Parity: None, Parity, Odd,
Number of stop bits: 1, 2,
Transmission line
Twisted cable 1-pair or 2-pair, UTP Nx2x0,5 (24AWG), shield inside large interferences STP
Nx2x0,5(24AWG).
Transmission type
Asynchronism full duplex, half duplex.
19
ADA-4040PC3