Universal commands
KH 8384-3 EN
21
Byte
Message description
30/31
00000000
00100000
Max. test duration exceeded
00000000
01000000
Test cancelled manually
00000000
10000000
Measured data memory full
00000001
00000000
Cancel internal solenoid valve/forced venting
00000010
00000000
Cancelled by control loop error
00000100
00000000
Set point start difference too high
00001000
00000000
Set point change
00010000
00000000
Current too low
00100000
00000000
Max. breakaway time exceeded
01000000
00000000
Perm. time until step end exceeded
10000000
00000000
Supply pressure too low
3.7 Starting and assessing the partial stroke test (PST)
3.7.1 Type 3730-3 and Type 3731-3
Send
Receive
Byte 1
Byte 2
Start PST
Cmd 168
0x89
–
–
Stop PST
Cmd 168
0x9D
–
–
PST Info
Cmd 171
0x01
0x19
0/1: PST not activated/running
PST test status
Cmd 161
0x00
0xD9
See Table 11
Current PST results
−
Command 181 Subcommand 467
Byte 0
–
Byte 1 to 4: Dead time (rising)