Chapter 6 - Parameter Description [I/O]
6-58
I/O-95: Normal Open/ Normal Closed select
The digital inputs, M1, M2, M3, M4, M5, M6, M7, and
M8 can be programmed as a NO or a NC contact. If
the terminal is programmed as NO, the input will have
to be closed to activate the programmed function. If
the terminal is programmed as NC, the input will have
to be opened to activate the function.
Input
T/M
M8 M7 M6 M5 M4 M3 M2 M1
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
0: NO
1: NC
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
I/O-96: Input Checking Time
This sets the amount of time the drive will wait to
confirm a valid input signal on one of the digital inputs.
I/O-97: Overheat Trip Selection
I/O-98: Motor Trip Temperature
Setting Range 0 – 255 °C
The drive can monitor motor temperature by
connecting a motor thermistor (PTC/NTC) to terminals
NT-5G (40 HP and below) or terminals ET-CM (50 HP
and above). See Thermistor Specifications on the
following page. Motor trip temperature is set with I/O-
98. Motor temperature can be viewed at parameter
FUN-56, Motor Temperature.
Param Bit set
Function
I/O-97
2 1 0
1
Motor overheat trip
activation 0=Off, 1=On
1 -Reserved-
1
External temperature
sensor selection
0=NTC, 1=PTC
Note: Bit 1 is not used.
Examples:
Setting I/O-97 to 001 activates the motor overheat
protection using an NTC sensor.
Setting I/O-97 to 101 activates the motor overheat
protection using a PTC sensor.
In both cases, set motor trip temperature in I/O-98.
The fault displayed when using this protection is “EXT.
OHT”, External Over Heat fault.
NOTE: Inverter Overheat protection is activated
regardless of motor temp setting condition.
NOTE: Overheat protection can be monitored by
setting one of the Aux Relays (I/O-76 ~ 79) to OH.
I/O►
In No/NC Set
95 00000000
Factory Default: 00000000
I/O►
In CheckTime
96 1 ms
Factory Default: 1 ms
ON (Speed-L)
Spd 0 Spd 0 Spd 0 Spd 0 Spd 7 Spd 7 Spd 7 Spd 2
BX
RX
Output
Input checking time
ON
ON (FX)
ON (Speed-H)
ON (Speed-M)
ON
checking time checking time
I/O► OH Trip Sel
97 010
Factory Default: 010
I/O► MotTripTemp
98 110
Factory Default: 110 [C]
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