Siemens SIPLUS HCS Series Operating Instructions Manual page 137

Data record 160 "Control of internal fans"
The data record describes an HCS function and addresses the HCS.
Byte
0
Definition is via an element of the type "Byte".
Data record 190 "System reset by user"
The data record describes an HCS function and addresses the HCS.
Byte
0
1
2
3
4
5
An array with 6 entries of the type "Char" is used here.
Note
The data entered must not be modified.
The data record is acknowledged before the controller performs a reset about 2 seconds
later.
SIPLUS HCS4300 PROFINET/PROFIBUS DP
Operating Instructions, 10/2019, A5E35452705A/005
Bit Meaning
0 Control of internal fans
0: Temperature controlled internally (default)
1: All fans are switched on
1 to 7 0
Meaning
"R"
"E"
"S"
"E"
"T"
"!"
Communications
10.2 Acyclic data exchange
135