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PRE-OPERATION INSTRUCTIONS
1.3 Specifications
1.3.1
Inverter option specifications
Type
Number of nodes occupied
Free
topology
Communication
cable
Bus
topology
1.3.2
Communication specification
Number of units connected 64 units maximum including the inverter in the same segment.
Communication speed 78kbps
Maximum
cable length
Event
reception
Event
transmission
4
Inverter plug-in option type (can be mounted/dismounted to/from the inverter front
face)
One inverter occupies one node.
Twisted pair cable equivalent to EBT0.65mm × 1p
(ICT 0.65mm × 1p, manufactured by Fuji Cable (Ltd. ) made)
Twisted pair cable equivalent to EBT1.3mm × 1p
(ICT 1.3mm × 1p, manufactured by Fuji Cable (Ltd. ) made)
Free topology (connect a terminating resistor
at any one point)
Maximum: 500m
<Example>
Terminating
resistor
Number of events receivable at a time : 20
Reception time per event : 100ms maximum (when not conflicting with event transmission)
Transmission time per event
⋅ Without bind : 200ms
⋅ With bind : [retry interval time] × [number of retries]
Bus topology (connect a terminating resistor
at both ends)
Maximum: 2700m (The total length of each
node stub should be 3m maximum.)
<Example>
Stub
Terminating
resistor
Terminating
resistor
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