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4-11
Safe Torque Off
AC890PX AC Drive
STO Technical Specification
Inputs Specification
STO A Input and STO B Input comply with IEC61131-2. Note: inputs do not have hysteresis.
Recommended input voltage for low level:
0V to +5V
Recommended input voltage for high level:
+21.6V to +26.4V
Typical input threshold voltage:
+10.5V
Absolute maximum input voltage:
-30V to +30V
Typical input current @ 24V
9mA
Indeterminate input range:
+5V to +15V. Function is undefined.
Fault detection time
3
:
2.3sec typical;
< 1.6sec will not generate a fault
> 3.0sec will generate a fault.
3
A fault is defined in this context as Channel A and Channel B inputs being in opposite logic states
.
Summary of Contents for AC890PX Series
Page 17: ...2 5 Product Overview AC890PX AC Drive 890PX bottom wire entry ...
Page 144: ...The Keypad 7 9 AC890PX AC Drive The Menu System Map ...
Page 145: ...7 10 The Keypad AC890PX AC Drive The Menu System Map continued ...
Page 328: ...Programming D 88 AC890PX AC Drive Functional Description ...
Page 386: ...Programming D 146 AC890PX AC Drive Setpoint Drive Frequency Frequency 1 Frequency 2 ...