WRM60 X
User manual
EN
32
9. ELECTRICAL CHARACTERISTICS
Parameter
Symb.
WRM60 X (Master)
WRM60 X SL (Slave)
U.M.
Nominal battery voltage
24 / 48 autodetect
(V)
Battery voltage range
V
bat_24
V
bat_48
20 ÷ 32
36 ÷ 64
(V)
Number of independent MPPT PV
string inputs
2
Max charge current for each channel
1
I
ch
30
(A)
Max open circuit voltage of PV string
V
oc
180
(V)
Max short circuit current of each PV
string input
1
I
sc_n
26
(A)
Max power of each PV string input
P
pv_n_24
P
pv_n_48
900
1800
(W)
Self consumption
P
q
2.0
1.0
(W)
Operating temperature
2
T
amb
-10 ÷ +50
(°C)
Max power dissipated
P
loss_24
P
loss_48
112
132
(W)
Efficiency @ 60A
ƞ
_24
ƞ
_48
93.5 ÷ 95.2
96.0 ÷ 97.2
(%)
Parallel slave operation
controlled via W-BUS
Maximum number of parallelable
slaves
-
15
Electrical protection
Battery reverse polarity, temperature derating, overtemperature
Smart Battery profiles
LG Chem RESU 48V
Pylontec
Midac
parameters sent from Master via
WBUS
With external WBM (optional)
Generic profiles
(Flood, Seal/Gel, Li)
Stand-alone mode
-
Generic profiles preloaded
(Flood, Seal/Gel, Li)
Charge algorithm
3
multistage: Bulk / Absorption / Float
Generic profiles
Pb-Flood
Pb-Seal-Gel
Lithium
End of charge voltage @ 25°C
V
EoC_24
V
EoC_48
29.6
59.2
28.8
57.6
28.0 ÷ 29.4
56.0 ÷ 58.8
V
EoC
temperature compensation
3
V
tadj_24
V
tadj_48
-48
-96
(mV/°C)
Float voltage (24/48V)
V
flt
V
EoC
- ( 1.2 / 2.4)
(V)
Absorption time to float state
T
abs
1 ÷ 8
(h)
OUTPUT
OUT topology
Relay (clean contact) N.O./N.C
OUT voltage/current
60Vdc 5A
AUX1/AUX2 topology
Relay (clean contact) N.O./N.C
-
AUX1/AUX2 voltage/current
60Vdc 5A
-
ENCLOSURE / MECHANICAL
Battery connection
M8 screw
PV string input connection
2 pairs of M/F MC4 (connector supplied)
Solar cable section for MC4 connectors
4/6mm
2
Cable section for OUT connector
1.0mm
2
(connector supplied)
Cable section for AUX1 AUX2 connector
1.0mm
2
(connector supplied)
-
Internet cable connector
RJ45
-
WBUS
interface connector
RG12, RJ11
RG12, RJ11 (cable supplied)
Battery bus interface connector
RJ45-RG10 (cable supplied)
Battery bus interface topology
CAN
Weight
2.5
2.2
(kg)
Dimension
287 x 261 x 105
287 x 261 x 83
(mm)
Acoustic noise
0 ÷ 44
dB(A)
Degree of protection
IP20
Material enclosure
anodized aluminum
1
The maximum charging current I
ch
is internally limited to 30A for each PV input.
2
See derating chart.
3
With the Li program, the Float stage does not exist.
4
With the Li program, the VEoC is not compensated in temperature.
Tab.5 - Electrical Characteristics
