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9. TECHNICAL DESCRIPTION AND PARAMETERS OF DATA LOGGER
9.1
Circuit concept of data logger
Data logger is designed as autonomous complex controlled by its own microprocessor, which fully
works if power voltage is connected. If power voltage is not present, data logger does not work, but
recorded data and internal time are saved.
9.2
Not allowed manipulation and warning
Power source is a device connected to electric mains and if it is damaged including power
cord there is danger of injury by electric current. It is not allowed to connect it to mains, if
power cord is damaged or if its cover is damaged or removed. It is also not allowed to
place it in humid and dangerous environment (e.g. bathroom etc.), at points exposed to
direct sun radiation and other thermal sources, to prevent damage and deformation of the
case. For safety reasons it is not allowed to connect to
data logger terminals higher voltage
than 24V.
9.3
Technical parameters of data logger
9.3.1
Power
Data logger is powered from external ac/dc adapter or from other suitable DC source.
Power of data logger
Power voltage:
24 V DC
(24V±3V)
(2)
Maximum consumption:
25 W
(1)
Recommended power source:
SYS1308-2424-W2E or ENCO NZ 21/25/1000
Protection:
tube fuse F2A on mother board
MS6-Rack power connector:
circular 5.5/2.1 mm power connector or terminal
(1)
It concerns maximum consumption with 16 inputs of configured as 4mA..20mA with short
circuited input ter24V and COM.
(2)
Detailed information on power voltage for data logger and current consumption is specified in
Appendix No.1.
9.3.2
Output relay module for data logger
Module contains 16 mains relay with switching-over contacts connected to self-locking Wago
terminal on the module. Each relay has three terminals available.
Maximum voltage on the contact:
MP018: 250 V AC*
MP050 in MS6-Rack: 50V AC/75V DC max.
Maximum current through the contact:
8A
Maximum switching power:
2000 W
Mechanical life of relay contact:
3 x 10
7
cycles
Electric life of relay contact:
1 x 10
5
cycles
Material of contact:
Ag Cd O
Maximum wire cross section in terminal:
1,5 mm
2
Dimensions:
140 x 211 mm
Mounting (MP018):
MP019 on DIN rail 35mm or
MP013 holders
*... Pay attention to all required safety rules in mounting and during operation!