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6.6.9 I/O interface
In the multiplex system, the slave unit has the following restrictions.
(1) I/O functions
The table below lists the I/O functions available in slave units. Functions not listed are not available.
Table 6.6.8 I/O Functions
I/O functions Terminal symbol Remarks
Coast to stop command BX Causes all units of the system to coast to stop.
Error reset RST Resets all units of the system.
External alarm THR
Motor M2 selection M-CH2
Motor M3 selection M-CH3
Keypad edit permission command WE-KP
Enable data change via communications link WE-LK
Enable communications link LE
Universal DI U-DI
Short voltage cancel LU-CCL
Multi-system cancel MT-CCL
DI
Safety function input terminal EN1, EN2
Causes all units of the system to coast to stop.
However, output shutdown by hardware is done only
for units which have detected the signal.
Operating RUN
Functions with the operation information from the
master.
Undervoltage detected (Inverter stopped) LU
Operation preparation completed RDY
Motor M2 selected SW-M2
Motor M3 selected SW-M3
Alarm contents AL1 - 8
Output with alarm information from the master
added.
Cooling fan operating FAN
Universal DO U-DO
Cooling fin overheat prediction INV-OH
Life prediction LIFE
Inverter overload prediction INV-OL
DB overload prediction DB-OL
Transmission error LK-ERR
Multi-system communication established MTS
Multi-system cancel response MEC-AB
Multi-system self station failure AL-SF
Batch alarm ALM
Light alarm L-ALM
Maintenance prediction MNT
Braking transistor error DBAL
DC fan lock signal DCFL
73 input command PRT-73F
Y terminal test output ON Y-ON
Y terminal test output OFF Y-OFF
System clock battery lifetime expired BATT
EN terminal detection circuit failure DECF
DO
EN terminal OFF ENOFF
AI All invalidated
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