Emerson Unidrive M201 - Page 149

SI-Ethernet User Guide 149
Issue: 1
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting started Parameters
Key features
and Protocols
PC 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