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5-19 Terminal 37 Safe Stop
Use this parameter to configure the Safe Torque Off functionality.
A warning message makes the frequency converter coast the
motor and enables the automatic restart. An alarm message
makes the frequency converter coast the motor and requires a
manual restart (via a fieldbus, Digital I/O, or by pressing [RESET]
on the LCP). When the VLT
®
PTC Thermistor Card MCB 112 is
mounted, configure the PTC options to get the full benefit from
the alarm handling.
Option:
Function:
to terminal 37. Coasts the frequency
converter when Safe Torque Off is
activated. Manual reset from LCP,
digital input, or fieldbus.
[7]
PTC 1 & Relay
W
This option is used when the VLT
®
PTC Thermistor Card MCB 112 gates
with a stop key through a safety relay
to terminal 37. Coasts the frequency
converter when Safe Torque Off is
activated (terminal 37 off). When the
Safe Torque Off circuit is re-
established, the frequency converter
continues without manual reset,
unless a digital input set to
[80] PTC
Card 1
is still enabled.
[8]
PTC 1 & Relay
A/W
This option makes it possible to use a
combination of alarm and warning.
[9]
PTC 1 & Relay
W/A
This option makes it possible to use a
combination of alarm and warning.
NOTICE
Options
[4] PTC 1 Alarm
to
[9] PTC 1 & Relay W/A
are only
available when the MCB 112 is connected.
NOTICE
Selecting
Auto Reset/Warning
enables automatic restart
of the frequency converter.
Function
Num
-
ber
PTC
Relay
No Function
[0]
–
–
Safe Torque Off
Alarm
[1]*
–
Safe Torque Off
[A68]
Safe Torque Off
Warning
[3]
–
Safe Torque Off
[W68]
PTC 1 Alarm
[4]
PTC 1 Safe Torque
Off [A71]
–
PTC 1 Warning
[5]
PTC 1 Safe Torque
Off [W71]
–
PTC 1 & Relay A
[6]
PTC 1 Safe Torque
Off [A71]
Safe Torque Off
[A68]
PTC 1 & Relay W
[7]
PTC 1 Safe Torque
Off [W71]
Safe Torque Off
[W68]
PTC 1 & Relay A/W [8]
PTC 1 Safe Torque
Off [A71]
Safe Torque Off
[W68]
PTC 1 & Relay W/A [9]
PTC 1 Safe Torque
Off [W71]
Safe Torque Off
[A68]
Table 3.19 Overview of Functions, Alarms, and Warnings
W means warning and A means alarm. For further information, see
Alarms and Warnings in chapter 6 Troubleshooting.
A dangerous failure related to Safe Torque Off issues
alarm
72, Dangerous failure
.
Refer to
5-20 Terminal X46/1 Digital Input
Option:
Function:
[0]
*
No operation
This parameter is active when
option module VLT
®
Extended
Relay Card MCB 113 is installed in
the frequency converter.
Functions are described in
parameter group 5-1* Digital
Inputs
.
[1]
Reset
[2]
Coast inverse
[3]
Coast and reset inv
[4]
Quick stop inverse
[5]
DC-brake inverse
[6]
Stop inverse
[8]
Start
[9]
Latched start
[10]
Reversing
[11]
Start reversing
[12]
Enable start forward
[13]
Enable start reverse
[14]
Jog
[15]
Preset reference on
[16]
Preset ref bit 0
[17]
Preset ref bit 1
[18]
Preset ref bit 2
Parameter Descriptions
Programming Guide
MG33MP02
Danfoss A/S © 10/2018 All rights reserved.
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Summary of Contents for VLT AutomationDrive FC 302
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