Danfoss VLT HVAC Drive FC 102, Руководство по эксплуатации

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5-19 Terminal 37 Safe Stop
To configure the Safe Torque Off functionality, set this parameter.
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 MCB 112 is mounted, configure the PTC
options to get the full benefit from the alarm handling.
Option: Function:
[4] PTC 1 Alarm Coasts the frequency converter
when Safe Torque Off is activated.
Manual reset from LCP, digital input,
or fieldbus.
[5] PTC 1 Warning Coasts the frequency converter
when Safe Torque Off is activated
(terminal 37 off). When 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.
[6] PTC 1 & Relay A This option is used when the PTC
option gates with a stop button
through a safety relay 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 PTC
option gates with a stop button
through a safety relay to terminal
37. Coasts the frequency converter
when Safe Torque Off is activated
(terminal 37 off). When 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
Selecting Auto Reset/Warning enables automatic restart
of the frequency converter.
Function Num-
ber PTC Relay
No Function [0] – –
Safe Stop Alarm [1]* – Safe Stop [A68]
Safe Stop
Warning [3] – Safe Stop [W68]
PTC 1 Alarm [4] PTC 1 Safe Stop
[A71] –
PTC 1 Warning [5] PTC 1 Safe Stop
[W71] –
PTC 1 & Relay A [6] PTC 1 Safe Stop
[A71] Safe Stop [A68]
PTC 1 & Relay W [7] PTC 1 Safe Stop
[W71] Safe Stop [W68]
PTC 1 & Relay
A/W [8] PTC 1 Safe Stop
[A71] Safe Stop [W68]
PTC 1 & Relay
W/A [9] PTC 1 Safe Stop
[W71] Safe Stop [A68]
Table 4.5 Overview of Functions, Alarms, and Warnings
W means warning and A means alarm. For further information, see
Alarms and Warnings in the Troubleshooting section in the design
guide or the operating instructions.
A dangerous failure related to Safe Torque Off issues Alarm
72 Dangerous Failure .
Refer to Table 6.1 .
Commissioning
VLT
®
PTC Thermistor Card MCB 112
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