Instruction manual

6
PRE-OPERATION INSTRUCTIONS
1.4 Specifications
1.4.1 Inverter option specifications
1.4.2 Communication specification
Type
Inverter plug-in option type (can be mounted/dismounted to/from the inverter front
face)
Number of nodes occupied One inverter occupies one node.
Connection
cable
Free
topology
Twisted pair cable equivalent to EBT0.65mm × 1p
Bus
topology
Twisted pair cable equivalent to EBT1.3mm × 1p
Number of units connected 64 units maximum including the inverter in the same segment.
Communication speed 78kbps
Maximum
cable length
Free topology (connect a terminating resistor
at any one point)
Maximum: 500m
Bus topology (connect a terminating resistor
at both ends)
Maximum: 2700m (The total length of each
node stub should be 3m maximum.)
Event
reception and
transmission
Event
reception
Number of events receivable at a time : 20
Reception time per event : 100ms maximum (when not conflicting with event transmission)
Event
transmission
Transmission time per event
⋅ Without bind : 200ms
⋅ With bind : [retry interval time] × [number of retries]
<Example>
Terminating
resistor
Stub
<Example>
Terminating
resistor
Terminating
resistor