Owner's manual

Protocol: Modbus RTU
Transmission speed: 2400, 4800, 9600, 19.200 bits/sec
Address range: 1...247
Number of controllers per bus: 32
Repeaters must be used to connect a higher number of
controllers.
ENVIRONMENTAL CONDITIONS
Protection modes
Front panel: IP 65
Housing: IP 20
Terminals: IP 00
Permissible temperatures
For specified accuracy: 0...60°C
Warm-up time: ³ 15 minutes
For operation: -20...65°C
For storage: -40...70°C
Humidity
75% yearly average, no condensation
Shock and vibration
Vibration test Fc (DIN 68-2-6)
Frequency: 10...150 Hz
Unit in operation: 1g or 0,075 mm
Unit not in operation: 2g or 0,15 mm
Shock test Ea (DIN IEC 68-2-27)
Shock: 15g
Duration: 11ms
Electromagnetic compatibility
Complies with EN 61 326-1
(for continuous, non-attended operation)
ALLGEMEINES
Housing
Material: Makrolon 9415 flame-retardant
Flammability class: UL 94 VO, self-extinguishing
Plug-in module, inserted from the front
Safety test
Complies with EN 61010-1 (VDE 0411-1):
Overvoltage category II
Contamination class 2
Working voltage range 300 V
Protection class II
cUL certification
(Type 1, indoor use)
File: E 208286
Electrical connections
Screw terminals for 0,5 to 2,5 mm²
Mounting
Panel mounting with two fixing clamps at
top/bottom or right/left,
High-density mounting possible
Mounting position: uncritical
Weight: 0,27kg
Accessories delivered with the unit
Operating manual
Fixing clamps
Technical data
Digital 280-1 44