Power supply				24 V AC/DC, connection via terminals

Current consumption			typically 68 mA (DC), 152 mA (AC), with all relays activated

Power dissipation			max. 1.7 W (DC), 3.7 W (AC), with all relays activated

Specifications DO's:			Relay outputs (NO contact), max. 250 VAC
Characteristics (Resistive Load):
Initial contact resistance 		100mOhm (at 1A / 24 VDC)
Rated load				3 A at 250 VAC / 30 VDC
Max. switching voltage			277 VAC, 30 VDC
Max. switching capacity			830 VA (AC), 90 W (DC)
Endurance				100'000 ops (Rated Load)
Inductive loads				should be avoided or be suppressed at the source

Counting pulse 				duration min. 10 ms, only for DC signals
Max. counter value			4,294,967,296
					counter values not stored retentively in case of power failure


Bus interface				RS485

Supported baud rates			9,600	Baud
(Autobauding)				19,200	Baud
					38,400	Baud
					57,600	Baud

Bus cycle time				individually depending on the baud rate and the number of  
					data points that will be addressed


Memory					uPC internally

Configuration settings 			are stored in the internal EEPROM, 
					max. number of write cycles up to 100,000 times

Protocol				Modbus rtu (RS485)
Serial port parameter setting		8-N-1

Inputs and outputs			see corresponding documentation of the respective modules

Environmental conditions
Operating temperature			0...50°C
Transport and storage temperature	0...70°C
Relative humidity			10...90%, non-condensing

Protection class			IP 20

Dimensions				(for exact dimensions see appendix B)