Lenze 4800 User Manual

Configuration
7-90
48XX/49XXSHB0399
If the inputs are not assigned, constant values can be assigned via the input
codes. These values can also be stored in EEPROM via C003.
2. Function
The additional torque set-values have a summing influence on the n controller
output. The sum of these signals is limited to 100%.
Code Name
Possible settings
C
o
d
e
N
a
m
e
Lenze Selection Info
C148 Additional
torque
value 1
0 -100.0 % M
max
{0.1 %} + 100.0 % M
max
-200 % M
max
{1%} + 200 % M
max
Display only with terminal control. If the
terminal control is deactivated, the actual
terminal value will be accepted for
operation. In the armature setting range:
100 % M
max
correspond to 100 % I
max
(C022, C023)
C149 Additional
torque
value 2
0 -100.0 % M
max
{0.1 %} + 100.0 % M
max
-200 % M
max
{1%} + 200 % M
max
Display only with terminal control. If the
terminal control is deactivated, the actual
terminal value will be accepted for
operation. In the armature setting range:
100 % M
max
correspond to 100 % I
max
(C022/C023)
7.6.2 Speed dependent armature current limitation
4900Str078
-
+
2
1
C 047
C 050
+
C 051
40
42
43
41
+
C 145/C 146
C 025/C 027
3
4
±180 V
C27 C28 C 25/C 26
C 025/C 027
-
AB
QSP
C 070 V
C 071 T
C 072 K
pn
nn
dn
C 056
C 063
C 022, C 023
C310
C311
C312
C313
C314
C 025/C 026
C 025/C 026
C 025/C 027
C 145/C 146
++
C 148
C 149
C 146/C 147
C 146/C 147
+
-
100 %
C 282
C 198
n
set
a t n -c o n tro lle r
in % o f n
max
n
act
n
o ffs e t
Tacho
Increm ental
encoder
Resolver
I
act
V
arm ature voltage
C232
I · R - com pensation
0 V = no torque
10 V = m ax. torque
External torque lim it
C 005 C onfiguration
n-controller
M
set
in %
o f M
max
I
set
I
max
I
Fact
Additional torque setpoint 1
Additional tor
q
ue set
p
o in t 2
speed-dependent
c u r r e n t lim ita tio n
Enc.
const.
FIG 7-51 Signal-flow chart (section) for speed-dependent armature current limitation
Purpose
If DC machines are drive with rated armature current in field weakening operation,
the segment voltage (at the armature) can reach impermissibly high values.
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Lenze 4800 Specifications

General

Brand	Lenze
Model	4800
Category	Controller
Language	English

Summary

Safety information

General safety information

Provides essential safety notes for operation, potential hazards, and general precautions.

Technical Data

Features

Outlines the key controller and system features, including operational capabilities and interface options.

Rated data

Details electrical ratings, including output power, voltages, currents, and thermal data for different controller types.

Installation

Electrical installation

Details electrical safety, connection procedures, and isolation requirements.

Commissioning

Initial switch-on

Guides through the initial power-up procedure, wiring checks, and essential switch-on sequence.

Input of the motor data

Explains the importance and method for inputting motor nameplate data for accurate controller calculations.

Controller enable

Details the conditions and methods for enabling the controller via terminal or LECOM interface.

During operation

Configuration

Speed controlled operation

Covers configuring the drive for speed control, including detailed set-value selection methods.

Torque control with speed limitation

Explains how to set up the drive for torque control while maintaining speed limitations.

Troubleshooting and fault elimination

Troubleshooting

Guides users through identifying and resolving operational issues using controller displays and status information.

Fault analysis with the history buffer

Explains how to use the history buffer to trace and analyze faults for effective troubleshooting.

Fault messages

Signal-flow charts