SI-Ethernet User Guide 153
Issue: 1
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting started Parameters
Key features
and Protocols
PC Applications Security Diagnostics
Glossary of
terms
Index
Torque reference (TorqueRef)
The torque reference word utilises 2 bytes (16 bits) as shown below.
For more information on the setting of the torque reference see section 7.31 AC/DC
Drive object attributes on page 174.
7.5.12 Extended speed and torque control
Output assembly object 0x17 (23
10
)
The PLC or scanner must be configured for 6 output bytes (or 3 output words) if this
assembly object is to be used.
Extended control word
The extended control word consists of 2 bytes (16 bits), with only 5 bits of the low byte
used as shown below.
The individual bit functions are described as follows:
b15 b14 b13 b12 b11 b10 b9 b8
TorqueRef (high byte)
b7 b6 b5 b4 b3 b2 b1 b0
TorqueRef (low byte)
Table 7.13 Extended speed and torque control
Data word Function
Word 0 Extended control word.
Word 1 Speed reference (SpeedRef).
Word 2 Torque reference (TorqueRef).
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b4 b3 b2 b1 b0
NetRef NetCtrl FaultRst RunRev RunFwd
Name Control
Word
Description
RunFwd b0 Set this bit to command the drive to run in the forward direction.
RunRev b1 Set this bit to command the drive to run in the reverse direction.
FaultRst b2 A 0 to 1 transition will reset the drive if the drive was in a trip state.
NetCtrl b5
Used in conjunction with Pr 06.043 to enable the drive control word
bits b0-b6 and bit 9 (Pr 06.042).
NetRef b6
Set this bit to command the drive to use the remote speed
reference value specified in Word 1.
For the drive to run at the speed specified in Word 1, Pr 06.043 must be ON and bit 0,
bit 7 and bit 8 of the drive control word (Pr 06.042) must all be set to 1 and the external
hardware enable signal must be present.
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