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VMX
2
Series Digital Solid State Soft Starter User Manual
20 |
P a g e
4.2.6 Analog Output (4-20mA)
The
VMX2 Series
starter provides a 4 to 20 milliamp output signal that
can be set to monitor different parameter values using F108
and scaled
with parameter F109 and F110. See section 5.5.16.
▪
4.2.6.a
External Overload Relay Connection
If an external Overload Relay (OLR) is used (see Section 3.1.3.c and
Appendix 4), connect the N.C. aux. contact of the OLR across the
Jog input (TB1 terminals 7&8), and re-program the Jog input for
“External Lockout N/C”, by changing F113 per table in sect 5.6.17.
When the external OLR trips, the contact will open. This indicates an
immediate Overload to the starter, which trips and displays
[LcA,
Lcc, or Lcd]
depending on operation mode when the overload trips.
If multiple OLRs are used, i.e. multiple motors controlled by the same
VMX2 Series
starter, simply wire the Aux Contacts in series as
shown in Figure 4.2.6.a. See Appendix 4 for additional information.
Note:
This feature is especially useful when using Deceleration Control
because it will immediately shut off power to the motor even if
Deceleration is active. If used this way, the trip indication will be
[LcA, Lcc, or Lcd]
depending on the operation mode when the trip
is issued.