English7/16
Siemens plc 1993
7.5.3 Message Structure – Inverter to Control Device
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PKE High PKE Low
Parameter Number
Always 0
Parameterisation Status 0 0 0 0
0 0 0 1
0 1 1 1
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
PZD1 High PZD1 Low
‘READY FOR
‘FAULT’
‘OFF3 NOT AVAILABLE’
‘OFF2 AVAILABLE’
‘SWITCH ON
‘NO ALARM’
Always 1
‘READY’ Always 1
‘OPERATION 0 Stopped
1 Running / Jog
0 No Fault
1 Inverter Tripped
Always 1
Always 0
0 Switch On Inhibit Cleared
1 Inverter in Switch On Inhibit State
Always 0
‘WITHIN TOLERANCE’ Always 1
‘AUTOMATION CONTROL’ 0 Serial Control Locked Out
1 Control by Automation Device
‘FORWARD’ 0 No Meaning
1 Forward
‘REVERSE’ 0 No Meaning
1 Reverse
Unused
‘READ CURRENT’ 0 PZD2 Returns Frequency
1 PZD2 Returns Current
(spontaneous reports not supported)
No task performed
Parameter value in PWE
Error code in PWE
PWE = 0 – Invalid parameter number
PWE = 101 – Function not implemented
1 0 0 0 Parameter write not permitted
SWITCH ON’
ENABLED’
INHIBIT’
‘SETPOINT REACHED’ 0 Output Frequency Below Set–point
1 Set–point Reached or Exceeded