User’s Manual
35
4.2.5.1.4. OPEN THERMISTOR – BIT 3
This bit goes high if there is a thermistor open. This fault indicates
that the temperature feedback is invalid. This can also occur if the
temperature of the module is below 30°F (0°C).
Once the thermistor is reconnected, the unit will resume normal
operation.
4.2.5.1.5. NETWORK FAULT – BIT 4
This indicates that there is a fault in the network communications.
When this happens, the module stops regulating the bus until the
module is reset, either with the external input or the reset bit. If
communications have not returned, the module will fault again.
Use the network diagnostic lights listed below for the type of network
module installed.
If there is a network fault, the braking module will not regulate the
bus unless the Net Latch input bit is set. (4.2.4.2.1.5)
4.2.5.1.6. SHORT IGBT – BIT 5
This bit indicates that the braking power transistor has failed. The
bit is low if the IGBT is operating properly.
If the IGBT shorts during operation, this bit will go high. When this
bit goes high, it will stay high until power is cycled.
When this bit goes high, the IGBT is damaged and the unit needs
repair. Contact Bonitron for assistance.
4.2.5.1.7. INSTANTANEOUS OVERCURRENT – BIT 6
This bit goes high when there is a high transient current through the
main chopper. This can be due to a short or arcing fault.
This fault can be reset with the reset bit (Section 4.2.4.2.1.3) or the
reset input (Section 4.2.2.4), although Bonitron highly recommends
checking the power system before continuing operation, as there
could be an electrical hazard.
4.2.5.1.8. BLOWN FUSE – BIT 7
This bit goes high if the fuse is blown on the unit. This bit has no
function on units above 1200 amps, as there is no internal main
power fuse. This bit is reset at power up.
4.2.6. NETWORK CONFIGURATION
The network configuration depends on the type of network purchased. The
M3452-R8 uses the Anybus-S embedded interface controller from HMS
networks.
Support files for the different networks can be found at www.bonitron.com.
Extensive information on setup and operation can be found at
www.anybus.com.
4.2.6.1. ETHERNET / IP
The EtherNet I/P interface can be configured in several different ways.
The module can be set using hardware switches, a PC utility or directly
through a web browser. The default address is 0.0.0.0.
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