LCU-P
Installation, Operation & Maintenance Manual
Doc. No.: HumG-LCUP-19 Rev.0 E
Page 4 / 14
Valve automation leader HKC
3.
Standard Specification
3.1
Table 1: Standard specification of the Proportional Control Unit
Model
LCU-P
Input signal (setpoint)
4~20mA dc, 1~5V dc , 2~10V dc
0~20mA dc, 0~5V dc , 0~10V dc
Input signal resistance
250Ω, position resistance: 100~10kΩ
Output signal (feedback)
4~20mA dc, 1~5V dc, 2~10V dc
0~20mA dc, 0~5V dc, 0~10V dc
Load resistance
500Ω max
Dead time
0.2~7.5 sec (It can be set in 16 step)
•
Step 0 : 0.2 sec
•
Step 1 ~ 4 : 0.25 ~ 1sec (0.25sec / step)
•
Step 5 ~ 15 : 2.5 ~ 7.5sec (0.5sec / step)
Dead band
0.4~7.5 % (It can be set in 16 step)
•
Step 0 ~ 4 : 0.4 ~ 0.8% (0.1% / step)
•
Step 5 ~ 9 : 1 ~ 1.8% (0.2% / step)
•
Step 10 ~ 15 : 5 ~ 7.5% (0.5% / step)
Fault mode
Fail close, Fail open, Fail stop
Position conversion accuracy
±(0.2 to 5)% (may vary depending on conditions)
Ambient temperature
-20℃ to 80℃
Ambient humidity
90% RH max. (non-condensing condition)
Dielectric strength
1500V ac, 1 minute
Insulation resistance
500V dc, 50MΩ or more
Vibration and shock
Z axis 1g/3g, frequency: 100 – 200Hz, time: within 30 minutes
4.
Layout of LCU-P board
Front
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