Delta Electronics AH500 Operation Manual page 503

Error
Description
Code
There is no response from slave
16#9A58
24 in the PLC Link. (SM1592)
There is no response from slave
16#9A59
25 in the PLC Link. (SM1592)
There is no response from slave
16#9A5A
26 in the PLC Link. (SM1592)
There is no response from slave
16#9A5B
27 in the PLC Link. (SM1592)
There is no response from slave
16#9A5C
28 in the PLC Link. (SM1592)
There is no response from slave
16#9A5D
29 in the PLC Link. (SM1592)
There is no response from slave
16#9A5E
30 in the PLC Link. (SM1592)
There is no response from slave
16#9A5F
31 in the PLC Link. (SM1592)
There is no response from slave
16#9A60
32 in the PLC Link. (SM1592)
The setting of the PLC Link mode
16#9A61
is incorrect. (SM1589)
The number of polling cycles in the
16#9A62
PLC Link is incorrect. (SM1592)
There is a handshaking timeout
when the CPU module establishes
16#9A63
a connection with the network
module. (SM1596)
There is no network module
parameter in the CPU module.
16#9A64
(SM1596)
An error occurs when COM2
16#9B21 communicates with slave 1 by
Modbus.
An error occurs when COM2
16#9B22 communicates with slave 2 by
Modbus.
An error occurs when COM2
16#9B23 communicates with slave 3 by
Modbus.
An error occurs when COM2
16#9B24 communicates with slave 4 by
Modbus.
C h a p t e r 1 2 Tr o u b l e s h o o t i n g
Solution
1. Check the communication setting in the master, and
the communication setting in slave 24.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 25.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 26.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 27.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 28.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 29.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 30.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 31.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 32.
2. Check the communication cable.
Make sure that SM1586 and SM1587 are not both ON.
If the PLC Link is in the manual mode, please make sure
that the number of polling cycles is within the range
between 1 and 65535.
Check whether the network module operates normally.
Download the parameter in HWCONFIG again.
1. Check the communication setting in the master, and
the communication setting in slave 1.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 2.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 3.
2. Check the communication cable.
1. Check the communication setting in the master, and
the communication setting in slave 4.
2. Check the communication cable.
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