
June 2021
Installation, Operation and Maintenance Manual
MAN712 Rev. 9
Section 8: Modbus RTU Interface
Modbus RTU Interface
78
Table 24.
Alarm Id
Alarm Type (*)
Warning ID
Warning Type (*)
0
NONE
0
NONE
1
RESET
1
RESET
2
AI1_PR
2
MEM_90
3
CONF
3
TEMP
4
SLEEP
4
MAINT
5
SAEC
5
AI2_PO
(*) See Section 6.4 for Details
6
INTER
7
V_EX_D
8
V_EX_A
9
SVC1
10
SVC2
11
RL1
12
RL2
13
BAT_D
14
BAT_A
15
FL_P
16
MR_P
17
MR_I
18
FL_I
Example of a request of Read Alarms/Warnings Log for the 25 most recent Alarms
(“Alarms/Warnings” = 1 and “Log Part” = 0).
Table 25.
Request
Field Name
Value (HEX)
Address
02
Function Code
65
Alarms/Warnings
1
Log Part
0
CRC
-
Field Name
Value (HEX)
Address
02
Function Code
65
Byte Count
98
Alarms/Warnings
1
Log Part
0
Alarms ID #1
3
Status #1
0
Date and Time #1
05525F17
Alarms ID #2
3
Status #2
1
Date and Time #2
5525B12
Alarms ID #25
0
Status #25
0
Date and Time #25
00000000
CRC
-
Table 26.
Response