15
WIRING
Connection method and parameter setting differ depending on the brake
resistor and resistor unit to be used with.
Refer to the page below depending on the brake resistor and resistor unit to
be used with and their application.
Each mark appears in the following pages explains below.
• ....Section of the GRZG type brake resistor
• ..Section of the FR-BR-(H) type resistor unit
• .Section of the MT-BR5 type resistor unit
Brake Resistor,
Resistor Unit
Application
Refer to Page
Wiring Parameter setting
GRZG
Replacing the BU type brake unit
16 to 19
33
Installation for the first time
Setting change is
unnecessary
FR-BR-(H)
Replacing the FR-BU-(H) type brake unit
21 to 23
Setting change is
unnecessary
Installation for the first time 33
MT-BR5
Replacing the MT-BU5 type brake unit
24 to 26
33
Installation for the first time
Setting change is
unnecessary
CAUTION
Configure a protective circuit (shuts off power) corresponding to each
brake resistor and resistor unit as in the table below to prevent overheat
of the brake resistor and resistor unit to be combined.
Be sure to configure a sequence which detects overheat of a resistor to
shut off power. If such circuit is not configured, it may result in resistor
burnout, causing a fire.
GRZG
FR-BR
MT-BR5
Brake Resistor,
Resistor Unit
Resistor Overheat Detection
Refer to
Page
GRZG
Configure a sequence which shuts off power when the
brake unit outputs an alarm.
16 to 19
FR-BR-(H)
Configure a sequence which shuts off power without fail
when a built-in thermal protector (NC contact) detects
resistor overheat.
21 to 23
MT-BR5
Configure a sequence which shuts off power without fail
when a built-in thermal protector (NO contact) detects
resistor overheat.
24 to 26
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