Emerson VSG & VSSG Spécifications télécharger pdf (Page 86)

7 – 4

Section 7 • Compressor Control Setpoints

Single Screw Compressor PLC Operation Manual • Vilter/Emerson • 35391CM

MAIN MOTOR VFD

• Max Speed Increase/Decrease per interval: This is the

maximum amount the main motor speed command

may be adjusted by every time through the Load/

Unload Cycle timer.

Forced Unload Rate: If a forced unload condition exists

and the main motor is running above 50% speed, this is

the rate it will decelerate until it reaches 50% speed and

the capacity slide begins unloading.

Figure 7-3. Compressor Control Screen - 1 of 3 (Process Temperature)

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 161 162

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Emerson VSG & VSSG Spécifications Page 86