CMVETH01B 34
Cyclic Data Access
If the SMV Control Word is used, the RUN and STOP commands are controlled as listed in Table 8.
Table 8: SMV Control Word RUN and STOP Events
BIT 0 - RUN FWD BIT 1 - RUN REV Action
0 0 STOP Method (Refer to P111)
0 -> 1 0 RUN FORWARD
0 0 -> 1 RUN REVERSE
0 -> 1 0 -> 1 NO ACTION / remains in last state
1 1 NO ACTION / remains in last state
1 -> 0 1 RUN REVERSE
1 1 -> 0 RUN FORWARD
NOTE
If P112 (ROTATION) is set to FORWARD ONLY, the drive will not be able to run in the reverse direction.
For absolute clarity: "0 -> 1" is the transition from 0 to 1 and "1 -> 0" is the transition from 1 to 0
5.6.6.2 P44x = 2, Network Frequency Setpoint
The Network Frequency Setpoint is represented as an unsigned Hz value. This mapping along with the use
of the correct Control Word Bits allows the drive frequency setpoint to be controlled from the network. This
mapping function uses unsigned scaled integer values. Example:
• Frequency Setpoint value to be transmitted from the network master = 33.5Hz.
• The actual value transmitted to the drive must be 335 (0x014F).
5.6.6.3 P44x = 3, Lenze C135 Control Word
The Lenze C135 Control Word consists of 16 control bits some of which are reserved.
Table 9: Lenze C135 Control Word
b15 b14 b13 b12 b11 b10 b9 b8
Network Ref
Enable
DC
Braking
Reserved Reserved Fault
Reset
Reserved Controller
Inhibit
Network CTRL
Enable
b7 b6 b5 b4 b3 b2 b1 b0
Reserved Reserved Reserved Reserved Quick
Stop
Direction
of Rotation
Network Setpoint Reference
Table 10: Lenze C135 Control Word BIT Functions
BIT Function Description
0 Network Setpoint
Reference Source
0 = Network
1 = Preset #1
2 = Preset #2
3 = Preset #3
(Active only when Network Reference
is Enabled)
1
2 Direction of Rotation 0 = CW (FORWARD) 1 = CCW (REVERSE)
3 Quick Stop Set to 1 to disable the drive and stop the ramp time defined in P127
4 - 7 Reserved
8 Network Control Enable 0 = Local Control 1 = Network Control
9 Controller Inhibit Set to 1 to disable the drive and allow the motor to coast to a stop
10 Reserved
11
Fault Reset
A 0-to-1 transition will reset the drive from a trip condition.
If the reason for the trip is still present or another fault condition has been detected, the
drive will immediately trip again. When resetting the drive, it is recommended to check the
status word to ensure that the reset was successful, before attempting to restart the drive.
12 - 13 Reserved
14 DC Braking Set to 1 to activate DC injection braking. Refer tp P174 & 175 for details.
15 Network Reference Enable 0 = Local Speed Reference 1 = Network Speed Reference
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