Emerson 3402 User Manual

Introduction
Parameter
x.00
Parameter
description format
Keypad and
display
Serial
communications
CT Modbus
RTU
PLC Ladder
programming
CTSoft Menu 0
Advanced parameter
descriptions
Menu 6
Commander SK Advanced User Guide 89
Issue Number: 9 www.controltechniques.com
selected the drive will ramp to a stop and then attempt to apply DC injection. At this point, unless the mains has been restored the drive is likely to
initiate a UU trip.
2rd.th
The drive detects mains loss when the DC bus voltage falls below Vml
1
. The drive then enters a mode where a closed-loop controller attempts to hold
the DC bus level at Vml
2
. This causes the motor to decelerate at a rate that increases as the speed falls. If the mains is re-applied it will force the DC
bus voltage above the detection threshold Vml
1
and the drive will continue to operate normally. The output of the mains loss controller is a current
demand that is fed into the current control system and therefore the gain parameters Pr 4.13 and Pr 4.14 must be set up for optimum control. See
Pr 4.13 and Pr 4.14 on page 67 for set-up details.
The following table shows the voltage levels used by drives with each voltage rating.
When the drive is carrying out a mains loss stop or ride through, the drive’s left hand display will show ‘AC’ ( with the drive software V01.03.00
onwards).
This parameter changes the functions of terminals B4, B5 and B6, which are normally associated with the enabling, starting and stopping the drive.
This also writes to parameter Pr 6.40 to enable and disable the input latches.
Pr 6.40, Pr 8.22, Pr 8.23 and Pr 8.24 are also saved when this parameter is modified.
A change to this parameter is only actioned when the drive is stopped, tripped or disabled. If the drive is active when this parameter is changed, the
parameter will return to its pre-altered value on exit of edit mode or drive reset.
In mode 6 the user is free to assign the terminals as appropriate to their application.
Voltage level 110V drive 200V drive 400V drive 575V drive 690V drive
Vuu 175 175 330 435 435
Vml
1
205 205 410 540 540
Vml
2
195 195 390 515 515
VuuRestart 215 215 425 590 590
6.04 Start/stop logic select {11}
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range 0 to 6
Default Eur: 0, USA: 4
Update rate Actioned on exit of edit mode or drive reset
Pr 6.04 Terminal B4 Terminal B5 Terminal B6 Pr 6.40
0 Enable Run Forward Run Reverse 0 (non latching)
1 /Stop Run Forward Run Reverse 1 (latching)
2 Enable Run Fwd/Rev 0 (non latching)
3 /Stop Run Fwd/Rev 1 (latching)
4 /Stop Run Jog 1 (latching)
5 User programmable Run Forward Run Reverse 0 (non latching)
6 User programmable User programmable User programmable User programmable
B2
B4
B5
B6
+24V
Enable
Run Forward
Run Reverse
Pr 6.04=0
B2
B4
B5
B6
+24V
/Stop/ Run Permit
Run Forward
Run Reverse
Pr 6.04=1

Emerson 3402 Specifications

General

Brand	Emerson
Model	3402
Category	Controller
Language	English