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IS810N-INT Series Servo System User Manual (Brief) Chapter 5 Keypad
5.3 Monitoring Parameters
Group H0B: Displays the parameters for monitoring the running status of the servo drive.
Group H0B monitoring display is described as follows 
(Take the parameter of the current 
operation axis 2 as an example)
:
Function 
Code
Name Unit Meaning Display Example
H0B-00
Actual motor 
speed
RPM
It displays the actual 
motor speed after round-
off, in the unit of 1 RPM.
3000 RPM display:
-3000 RPM display:
 
H0B-01
Speed 
reference
RPM
It displays the current 
speed reference of the 
servo drive.
3000 RPM display:
-3000 RPM display:
 
H0B-02
Internal torque 
reference
0.1%
It displays the percentage 
of the actual motor output 
torque to the rated motor 
torque.
100.0% display:
 
-100.0% display:
 
H0B-03
Monitored DI 
states
-
It displays the level states 
of the eight DI terminals:
If the upper LED segment 
is on, it indicates 
optocoupler OFF 
(expressed by "1").
If the lower LED 
segment is on, it 
indicates optocoupler ON 
(expressed by "0").
H0B-03 value read by the 
background software is a 
hexadecimal number.
For example, if DI1 is 
optocoupler ON and DI2 to 
DI7 are optocoupler OFF:
The binary value is 11111110;
The value of H0B-03 read by 
the background software is 
0xFE.
The keypad display is as 
follows: