All devices from STR 100 system are based on various boards. There are three groups of
boards. One main board, one or two communication boards and one IO board is used in one
device :
main board with power supply
HI – high voltage power supply board
MD – medium voltage power supply board
LO – low voltage power supply board
communication interface
RS232 board
RS485 board
Versatile (650 nm) 1 mm plastic fiber optic board (~110 m)
Multimode (820 nm) fiber optic board (~2000 m)
Singlemode (1310 nm) fiber optic board (~20 km)
Ethernet board
IO board
IOL – 4 Digital Input (24 V DC), 4 Digital Output board
IO4 – 4 Digital Input (48 V DC), 4 Digital Output board
IO1 – 4 Digital Input (110 V DC), 4 Digital Output board
IO2 – 4 Digital Input (220 V DC), 4 Digital Output board
User can order any combination that suits him or her best.
2.6 HOUSING
Housing of STR 100 system devices is aluminium and intended for mount on standard DIN 35
rail (acc. to DIN EN 50022-35). Housing is same for all combinations.
2.7 INTENDED USE
Device are intended for use in cubicles and cabinets in all kinds of power production,
transmission and distribution stations as well as in industry. It requires no maintenace.
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User manual STRMUED1
