ABB ACH 500 User Manual

Chapter 6 – Parameters
ACH 500 Programming Manual 6-45
Group 40.2 Pump & Fan
Control
These parameters can only be seen when you select the P&F Autom. macro.
These parameter values can be altered with the ACH 500 running, except
those marked with (O). The Range/Unit column in Table 6-23 shows
parameter values.
Table 6-23 Group 40.2
Parameter Range/Unit Description
1 PI-CONT GAIN 3% – 800% PI-Controller Gain selection.
2 PI-CONT I-TIME 0, 1s – 320s PI-Controller I-time selection.
3 REFERENCE STEP 1 0% – 100% Reference increase 1.
4 REFERENCE STEP 2 0% – 100% Reference increase 2.
5 REFERENCE STEP 3 0% – 100% Reference increase 3.
6 SLEEP DELAY 0s – 3600s Time delay for sleep function.
7 SLEEP LEVEL 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Level for activation of sleep
function.
8 WAKE UP LEVEL 0% – 100% Level for deactivation of sleep
function.
9 START FREQ 1 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Start frequency for first lag
motor.
10 START FREQ 2 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Start frequency for second lag
motor.
11 START FREQ 2 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Start frequency for third lag
motor.
12 LOW FREQ 1 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Output frequency after first lag
motor starts.
13 LOW FREQ 2 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Output frequency after second
lag motor starts.
14 LOW FREQ 3 0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Output frequency after third lag
motor starts.
15 LAG MOT START
DLY
0s – 3600s Lag motor start delay.
16 LAG MOT STOP DLY 0s – 3600s Lag motor stop delay.
17 NBR OF LAG
MOTORS
0 – 3 Number of lag motors.
18 ALTERNATION
INTERV.
0h – 168h Lag motor alternation interval.
19 ALTERNATION
LEVEL
0% – 100% Low level threshold for
alternation.
20 INTERLOCKS OFF/ON Lag motor interlocks.

ABB ACH 500 Specifications

General

Brand	ABB
Model	ACH 500
Category	Controller
Language	English