schmersal Praxi 100, Руководство пользователя

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10. Appendix 2 - Control and Status Word
10.1 Control Word Bit Description
The Control word is composed of 32 bits. FBFixedControlWord consist of the first 16 bits. FBGeneralControlWord consist
of the remaining 16 bits. While the functionality of FBFixedControlWord is fixed in the Praxi standard applications, the
functionality of FBGeneralControlWord is totally application specific and can vary even in the Praxi standard applications.
The meanings of FBFixedControlWord bits are described below. Unused bits have to be set to zero.
NOTE! This table is valid for Praxi standard applications. Praxi 100 HVAC may not support all functions.
See Table 52.
Table 51. Control Word
Bit Function Value Decsription
0 Start/Stop
0 Stop request from fieldbus.
1 Run request from fieldbus.
1 Direction
0 Requested direction is “FORWARD”.
1 Requested direction is “REVERSE”.
2 Fault reset
0 No action.
1 Rising edge (0->1) = Active faults, alarms and infos are reset.
3 St op mode 1
0 Stop mode is unmodified.
1 Stop mode is overridden to “Coasting”.
4 St op mode 2
0 Stop mode is unmodified.
1 Stop mode is overridden to “Ramping”.
5 Quick ramp time
0 Normal deceleration ramp time.
1 Deceleration ramp time is switched to shorter than normal.
6 Freeze Setpoint
0
Changes in the setpoint value from fieldbus (FB Speed Reference)
are taken into use by the application.
1
Changes in the setpoint value from fieldbus (FB Speed Reference)
are not taken into use by the application.
7 Setpoint to Zero
0 The setpoint value from fieldbus is taken from FB Speed Reference.
1 The setpoint value from fieldbus is changed to 0.
8
Request Fieldbus
Control
0 Control Place is as parameterized in the drive (unchanged).
1 Control Place is overridden to Fieldbus Control.
9
Request Fieldbus
Reference
0
Source of the setpoint value is as parameterized in the drive
(unchanged).
1 Source of the setpoint value is overridden to Fieldbus.
10 Jogging 1
0 No action.
1 Jogging request with reference 1.
11 Jogging 2
0 No action.
1 Jogging request with reference 2.
12 Quick Stop
0 No action
1 Drive executes quick stop / emergency stop.
13-15 Reserved