Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Instrukcja Użytkownika Pobierz pdf (Strona 2)

Commercial Water

Xylem Inc.

PAGE 2

GND Connection to Power Unit

(attached via the screws)

Section A

Troubleshooting the Control Card (using a Multimeter).

Power Supply disconnected!!!

The following tests have to be made without connected cables.

1) Internal Resistance – Digital Inputs:

Low Water

X3/1 (GND) – X3/11

=> 90k Ω / 2.5M Ω

External ON/OFF (release)

X3/1 (GND) – X3/7 => 14k Ω

Conﬁgurable Digital Input (Digi 1):

X3/1 (GND) – X3/9 => 14k Ω

Digital Inputs (Dig 2 /Dig 3 /Dig 4):

X3/1 (GND) – X3/5 / 6 / 15

=> 20k Ω

2) Internal Resistance of the Analogue

Current Inputs:

(Sensor 1/2 - Req. Val 1/2)

X3/1 (GND) – X3/2 / 4 / 18 / 23 =>50 Ω

3) Capacity of Electronic Ground to Earth:

X3/1 (GND) – earth => 60nF

Important to bleed off Hf- Disturbances!

Additional power supply ** max. 100 mA

Current signal input (required val. 2)

0-20mA / 4-20mA [Ri=50Ω]

Analog output 2 4-20mA [Ri=500Ω]

Analog output 1 0-10 VDC

Current signal input (required val. 1)

0-20mA / 4-20mA [Ri=50Ω]

Voltage signal input (required value 2)

0-10 VDC *DIG 4

Voltage signal input (required value 1)

0-10 VDC

Low water

Conﬁgurable digital input 1 DIG 1

External ON/OFF (release)

Actual-value-voltage input sensor 1 *DIG 2

Actual-value-voltage input sensor 2 *DIG 3

Actual-value-current input sensor 2

Sensor supply ** max. 100 mA

Actual value current input sensor 1

Ground

X3X3

24 +24V

19 +10V

3 +24V

1 2 3 4 5 6 7 8

Hydrovar 1
Xylem Inc 2

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