Datakom DK-40 User Manual

DK-40 USER MANUAL V2.6 (02.08.2011)
K13D01-E - 20 -
6.6. ALARM HISTORY
The unit keeps the list of 9 most recent alarm records.
A new occurring alarm will appear at the top of the list.
The alarm list may be visualized on the screen or read through Modbus.
The alarm list is kept in a non-volatile memory and is not affected by power failures.
The alarm will be added to the list only if it is different from the previous alarm or the
motor has run at least 6 minutes after its previous occurrence.
In order to visualize the latest alarm in the history press MENU button until
Ah
AhAh
Ah1
11
1 (alarm history 1) comes to the display.
To visualize previous alarms use RUN and STOP pushbuttons.
When the alarm history is scrolled the STOP button
is always active and stops the compressor. However the
RUN button is not active and does not run the
compressor. To scroll the alarm history when the
compressor is running please use only the RUN
button.

Datakom DK-40 Specifications

Power

supply voltage (IN-COMM to IN-400V)	305 – 460 VAC
supply voltage (IN-COMM to IN-230V)	175 - 275 VAC
supply frequency	50 - 60 Hz nominal
power consumption	< 4 VA

Measurement Inputs

voltage input range (L-L)	20 - 520 V AC
voltage input range (L-N)	10 - 300 V AC
frequency input range	30 - 100 Hz

Accuracy

voltage accuracy	0.5% + 1 digit
frequency accuracy	0.5% + 1 digit
voltage burden	< 0.1 VA per phase

Relay Outputs

relay output current	5 A
relay output voltage	250 V AC
external switch resistance	< 3 K-ohms

Inputs

pressure input range	4-20 mA (optional 0-10 V)
temperature input range	1000-5000 ohms
motor PTC input alarm threshold	2000 ohms

Operating Environment

operating temperature	-30°C to +80°C (-22°F to +176°F)
storage temperature	-40°C to +80°C (-40°F to +176°F)
maximum humidity	95% non-condensing

Physical Characteristics

degree of protection (front panel)	IP 54
degree of protection (back panel)	IP 30
dimensions	134x107x54 mm (WxHxD)