M3452 vR8 EIP/PDP
28
and the network “Enable” bit must be set for the module to operate. See
Section 4.2.4 for network information.
4.2.2.3. DISCHARGE INPUT – TB2-3
This input can be used to quickly drain the drive system’s DC bus down
for maintenance. This is an active high (sinking) 24V signal common to
TB2-5. This input will set the braking IGBT to go full on and stay until the
input is removed.
In order to use this feature, the unit must be enabled, the network
“Discharge” input must be high, and the unit must be selected as Master
for the input to have an effect.
See Section 4.2.4 for network information.
4.2.2.4. RESET FAULT INPUT – TB2-4
This input will reset any latched faults that have occurred, provided the
fault condition has been removed. This is an active high (sinking) 24V
signal common to TB2-5. Once the faults have been cleared, the module
will return to normal operation. This input operates on a rising edge.
This has the same effect as setting the reset bit in the control word.
(Section 4.2.4.2.1.3)
Either the reset input or the reset bit will reset faults.
4.2.2.5. INPUT COMMON – TB2-5
This terminal is common for the digital I/O, and must be connected to the
return if an external supply is used. If the internal 24V+ is used, this
terminal has no connection.
4.2.2.6. STATUS READY OUTPUT – TB2-6&7
This normally open contact indicates the status of the module. When this
contact is closed, the module has no faults and is regulating the DC bus.
If there is a fault, the fault is indicated with either the flash code on the
front indicators (Section 4.2.5) or with the status bits (Section 4.2.5.1).
4.2.2.7. CONTROL SIGNAL – TB3-1&2
These terminals are used for the Master/Slave communication port used
in multiple unit configurations. The signals of all modules are connected
in a “daisy chain” ( + to +, - to - ).
The port is bidirectional, serving as an output for modules operating in the
Master mode, inputs for modules operating in the Slave mode.
The signal is a complex waveform that is not reproducible as an analog
input or output. See Section 4.2.3 for further information on Master/ Slave
configurations.
Do not attempt to use these signals for any purpose other than
interconnecting Bonitron M3452 with R7, R7E, or R8 units! Damage may
occur to the M3452 as well as to the connected equipment! If monitoring of
these signals is desired, see Bonitron model M3452ON.
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