Xylem IM255 AQUAVAR Intelligent Pump Controller User Manual
Page 134
Maximum terminal load (DC-13)
1)
on 45 (NO) (inductive
load)
24 V DC, 0.1 A
Maximum terminal load (AC-1)
1)
on 46 (NC) (resistive
load)
240 V AC, 2 A
Maximum terminal load (AC-15)
1)
on 46 (NC) (inductive
load @ cosϕ 0.4)
240 V AC, 0.2 A
Maximum terminal load (DC-1)
1)
on 46 (NC) (resistive
load)
50 V DC, 2 A
Maximum terminal load (DC-13)
1)
on 46 (NC) (inductive
load)
24 V DC, 0.1 A
Minimum terminal load on 13 (NC), 12 (NO), 46 (NC), 45
(NO)
24 V DC 10 mA, 24 V AC 20 mA
Environment according to EN 60664–1
overvoltage category III/pollution degree 2
1)
IEC 60947 part 4 and 5
The relay contacts are galvanically isolated from the rest of the circuit by reinforced
isolation (PELV).
2)
Overvoltage category II
3)
UL applications 300 V AC 2A
Control card, 10 V DC output
Terminal number
50
Output voltage
10.5 V ±0.5 V
Maximum load
15 mA
The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
Control characteristics
Resolution of output frequency at 0–590 Hz
± 0.003 Hz
Repeat accuracy of Precise start/stop (terminals 18, 19)
≤± 0.1 ms
System response time (terminals 18, 19, 27, 29, 32, 33) ≤ 2 ms
Speed control range (open loop)
1:100 of synchronous speed
Speed control range (closed loop)
1:1000 of synchronous speed
Speed accuracy (open loop)
30–4000 rpm: error ±8 rpm
Speed accuracy (closed loop), depending on resolution of
feedback device
0–6000 rpm: error ±0.15 rpm
All control characteristics are based on a 4–pole asynchronous motor
Environment
Enclosure
IP20 Open, NEMA 1, NEMA12, NEMA 4X
Vibration test
1.0 g
Maximum relative humidity
5% 93% (IEC 72133) Class 3K3 (non-condensing) during
operation
Aggressive environment (IEC 60068243) H
2
S test
class Kd
Ambient temperature
3)
Maximum 50°C (24hour average maximum 45°C)
Minimum ambient temperature during full-scale
operation
0°C
Minimum ambient temperature at reduced performance 10°C
Temperature during storage/transport
25 to +65/70°C
Technical Specification
132
Aquavar
®
Intelligent Pump Controller INSTRUCTION MANUAL