Glenko MAM-870, Instruction Manual

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Instruction Manual M A M - 8 7 0 Senator Industrial Air Compressors
11
3.0 FUNCTIONS AND TECHNICAL PARAMETERS
Switching value: 5 ways of switching value input; 5 ways of relay switching value
input.
Analog quantity: 1 x PT100 temperature input; 1 x 4
～
20 mA transferred input;
2 groups of 3-phase current input (match with current transformers).
Input voltage of phase sequence: 3 phase 415V.
Working power consumption of the controller: 220 V, 50 Hz, 20 VA.
Display measuring range:
• Oil Temperature: -50
～
150
℃
with accuracy of ± 1
℃
.
• Discharge Air Temperature: -50
～
150
℃
with accuracy of ± 1
℃
.
• Running Time: 0
～
999999 Hours.
• Current Display Measuring Range: 0
～
999.9 A with accuracy of ± 1%.
• Pressure: 0
～
1.60 MPa with accuracy of ± 0.01 MPa.
Phase sequence protection: When the wrong phase sequence is detected by the protector,
it activates within a time of ≤ 2 S.
Motor protection: This control unit has the following 6 basic protection functions for the
motor.
1. Locked rotor: After the starting of the motor, if the working current reaches
between 4 to 8 times of the set value, the protection activates in less than 0.2 S.
2. Short circuit: If the detected current reaches 8 times or more of the set value, the
protection activates in less than 0.2 S.
3. Lack of phase: If any lack of phase is detected, the protection activates at the
pre-programmed time set value.
4. Unbalance: If the current difference between any of the two phases reaches the
pre-programmed percentage set value, the protection activates in less than 5 S.
5. Overload: Refer to the following table.
When the running current of the motor is between 1.2 to 3.0 times of the set
value, the overload multiple and protection activation time will be in accordance
with the following table.
I
Act
/I
Set
≥ 1.2 ≥ 1.3 ≥ 1.5 ≥ 1.6 ≥ 2.0 ≥ 3.0
Activation
Time
60 S 48 S 24 S 8 S 5 S 1 S