Xylem hydrovar Instruction Manual

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X3 Digital and Analogue I/O
X3/ 1 GND, electronic ground
2 Actual value current input sensor 1 0-20mA / 4-20mA [Ri=50Ω]
3 Power supply for external sensors 24VDC, ** max. 100mA
4 Actual value current input sensor 2 0-20mA / 4-20mA [Ri=50Ω]
5 Actual value voltage input sensor 2 *DI 2 0-10 VDC
6 Actual value voltage input sensor 1 *DI 1 0-10 VDC
7 External ON/OFF (E-Stop) *** Switch or jumper
8 GND, electronic ground
9 Congurable digital input 1 Switch between DI 1
10 GND, electronic ground and DI 2
11 Low water *** Switch or jumper
12 GND, electronic ground
13 Voltage signal input (required value 1) (Offset) 0-10VDC
14 GND, electronic ground
15 Voltage signal input (required value 2) *Dig 3
(Offset)
0-10VDC
16 GND, electronic ground
17 GND, electronic ground
18 Current signal input (required value 1) (Offset) 0-20mA / 4-20mA
[Ri=50Ω]
19 +10V internal ref. for analogue output 10,00VDC, max. 3mA
20 Analogue output 1 0-10VDC, max. 2mA
21 Analogue output 2 4-20mA
22 GND, electronic ground
23 Current signal input (required value 2) (Offset) 0-20mA / 4-20mA [Ri=50Ω]
24 +24V power supply for control inputs 24VDC, ** max. 100mA
* Terminals 5 and 6 can be used as actual value voltage input and also as digital input. Also the
voltage signal input on terminal X3/15 can be used as digital input.
** X3/3 and X3/24 → maximum 100mA
*** Must be connected through a switch or a jumper
(Offset) These terminals can be used as required value or offset signal input. Conguration: see
submenu REQUIRED VALUES [0800] and submenu OFFSET [0900].
ELECTRICAL INSTALLATION AND WIRING

Xylem hydrovar Specifications

General

Frequency	50/60 Hz
Control type	Variable speed drive
Protection class	IP55
Communication protocols	Modbus
Relative Humidity	5% - 95% (non-condensing)
Altitude	Up to 1000 m without derating
Input voltage	200-690 V AC
Storage Temperature	-25°C to +70°C (-13°F to 158°F)