SI-Ethernet User Guide 163
Issue: 3
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting started Parameters
Key features
and Protocols
PC Tools
Applications
Security Diagnostics
Glossary of
terms
Index
Table 7-8 Supported drive assembly objects
7.5.9 Basic speed control
Output assembly object 0x14 (20
10
)
The PLC or scanner must be configured for 4 output bytes (or 2 output words) if this assembly
object is to be used.
Basic control word
The basic control word consists of 2 bytes (16 bits), with only 2 bits of the low byte being used as
shown below.
Assembly
object name
Class
Length
(Bytes)
Type
Default Mappings
Decimal Hex (0x) Bytes 0 to 3 Bytes 4 to 7
PrimaryI 100 64 4 to 80 Input
0.10.040 0.02.001
BscSpdCtrlI 70 46 4 Input
ExtSpdCtrlI 71 47 4 Input
SpdTrqCtrlI 72 48 6 Input
ExtSpdTrqCtrlI 73 49 6 Input
PrimaryO 101 65 4 to 80 Output 0.06.042 0.01.021
BscSpdCtrlO 20 14 4 Output
ExtSpdCtrlO 21 15 4 Output
SpdTrqCtrlO 22 16 6 Output
ExtSpdTrqCtrlO 23 17 6 Output
Table 7-9 Basic speed control
Data word Function
Word 0 Basic control word.
Word 1 Speed reference (SpeedRef).
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b4 b3 b2 b1 b0
FaultRst RunFwd