Yaskawa iQpump Controller Programming Manual Manuel d'utilisateur télécharger pdf (Page 191)

YASKAWA TM.iQp.07 iQpump Controller Programming Manual 191

Figure 1.142

Figure 146.

■ Function Description: <0034>

Disable Low Pressure and Transducer Loss during Pre-charge. During the Pre-charge function, the low pressure and / or transducer loss

conditions will be ignored.

Two Stage Pre-charge. In order to get the Two Stage Pre-charge to operate, the normal Pre-charge function needs to be enabled, AND

parameter P4-12 needs to be set to a value greater than zero, AND parameter P4-13 must be set to a value greater than zero. When the

drive starts and is in Pre-charge Mode and the normal Pre-charge Timer expires (P4-02), the drive will switch to the P4-12 value for the

P4-13 time set. The functionality of the “Low Water” and “Disable Pre-charge” digital inputs are un-effected by the Two Stage

Pre-charge.

Run

Command

Hand Frequency

Pre-Charge

Frequency P4-02

Thrust Bearing

Frequency P4-05

Pre-Charge

Level P4-01

TIME

Thrust Bearing Mode and Pre-Charge Function with Alternating Auto and Hand Mode.

PI Feedback

Hand

Mode

Pre-Charge

Frequency P4-02

Thrust Bearing

Frequency P4-05

Standard

Accel Time

C1-01

Thrust

Bearing Accel

Time P4-04

Pre-Charge

Complete

Standard

Decel Time

C1-02

Thrust Bearing

Decel Time P4-06

Stop due to Run

Command Removed

Output Frequency

Frequency Reference

Limited because

Hand Frequency < P4-05

@ Hand

Frequency

1 2 ... 186 187 188 189 190 191 192 193 194 195 196 ... 301 302

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Yaskawa iQpump Controller Programming Manual Manuel d'utilisateur Page 191

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