Contrel EMA90, User Manual, Page: 7 / 64

EMA90 - USER MANUAL
-7-
Options: 2DO N°2 digital outputs 12-230 Vac-dc / 150mA max. The typical resistance with
closed contacts is 8
Ω
(R
ONmax
= 12
Ω
). Maximum frequency pulse emission: 16Hz.
2DO/R N°2 relay outputs
The relay specifications are the following:
-
Maximum power: 62,5 VA, 30 W
-
Maximum voltage: 250 VAC, 220 VDC
- Maximum current: 2 A
The typical currents are:
-
0.5A @ 125 Vac
- 2 A @ 30 Vdc
-
0.3 A @ 110Vdc
1AO N°1 analog output 0-20 o 4-20 mA with galvanic insulation.
2AO N°2 analog outputs 0-20 o 4-20 mA with galvanic insulation.
Memory data retention
RAM: 128 KB (useful 50KB); 1 Mbytes (all useful) option.
No volatile memory data using internal battery
Data retention: 5 years (typical) at +25°C (77°F).
Stored variables: Average power, Min/max values, Harmonics (option), Samples, energies and generic
counters.
Display interface
128x128 dot graphic LCD at high contrast (adjustable) and with LED backlit. Dimension 50x50mm.
Keyboard interface
5 functional keys for paging and programming.
Operating temperature
From -10°C (14°F) to +50°C (122°F).
Storage temperature
From -15°C (5°F) to +70°C (158°F).
Operating humidity
90% not condensing.
Protection standards
IP 52 front (EN60529) - IP65 with gasket (on request) - IP 20 screw and terminals.
Weight and dimension
0,430 kg app. (equipped with 2 digital outputs, 2 digital inputs, RS485 and RS232, Memory
128Kbytes), 96x96x130 mm.
9
6
m
m
106 mm
96 mm
15
9
6
m
m
9
EMA 90
Contrel
E
LECTRIC AL
M
ULTIFU NC TION
A
NA LYZE R
R
EC OR DER
S
ELECT
P.
UP
E
NTER
P. D
OWN
S
ELECT