6
Manual RS8EF402 © Danfoss 02-2009
AK-SM 350 Version 1.7x
Data
Supply
115 V / 230 V
+10/-15%, 50/60 Hz, 10 VA
Connection
PT 1000 ohm at 0°C or
PTC 1000 ohm at 25°C or
NTC 5000 ohm at 25°C or
Termistor (-80 to 0, -40 to 40 or 0
to 100°C)
Digital On/Off signal or
Standard 0 - 10 V / 4 - 20 mA signal
Pulse counter inputs for output
reading
Acc. to DIN 43864.
(Only for inputs 1 and 2)
Display
Graphic LCD, 240 x 64
Direct measuring points
16
Total number of points
65
Measuring range, general
-100 to +150°C
Measuring accuracy at Pt 1000
Resolution 0.1 K
Accuracy: +/- 0.5 K
Measuring interval
15, 30, 60, 120 or 240 minutes
Data capacity
12 MB flash
Recording of all data from all
measuring points for one year at
30-minute intervals.
Last 200 alarm warnings
Battery backup
Button cell for clock function (2032)
Power supply for e.g. pressure
transmitter
5 V max. 50 mA
12 V max. 50 mA
Printer connection
HP PCL-3, Parallel
Modem connection
RJ 45
TCP/IP connection
RJ 45
PC connection
RJ 45 (RS 323)
Data communication
RS232, RS485 (LON), RS485 (MOD-
bus), RS485 (TP) (TP= Third Party)
Relays
Quantity
2
Max. load
24 V a.c. or 230 V a.c.
Imax (AC-1) = 5 A
Imax (AC-15) = 3 A
Enclosure
IP 20
Ambient
environ-
ment
0 to 50°C, during operation
-20 to +70°C, during transport
20-80% RH, Non-condensed
No shock loads/vibrations
Approvals
EN 60730-1 and EN 60730-2-9
EN 61000-6-3 and EN 61000-6-2
EN 12830 and EN 13486
Weight
1.6 Kg
AK-SM 350