Technical Data
14 Rev. E2 04/2011 Marathon MR
with air/water-cooled housing 800 g (28 oz)
Fail-Safe Full or low scale, depending upon system failure, see section
10.2 Fail-Safe Operation, Seite 50.
3.3 Electrical Specifications
Power Supply 24 VDC ±20%, 500 mA (max 100 mV peak to peak of ripple)
Power Consumption max. 12 W
Outputs
Analog 0 - 20 mA, 4 - 20 mA, active output, 16 bit resolution
max current loop impedance: 500 Ω
Digital RS485 networkable to 32 sensors
Baud rate: 300, 1200, 2400, 9600, 19200, 38400 (default)
Data format: 8 bit, no parity, 1 stop bit,
Software selectable 4-wire, full-duplex non-multidrop, point-to-
point or 2-wire half duplex multidrop
Relay Contacts max. 48 V, 300 mA, response time < 2 ms, (software
programmable)
Relay Contacts Type: SPDT contact closure
Input
External Reset TTL input, trigger for resetting peak hold
Figure 4: External Reset Wiring Diagram
3.4 Dimensions
The following illustrations show dimensions of a standard sensor, see Figure 5, a sensor with the
air/water-cooled housing option, see Figure 6, and the adjustable bracket.
Dimensions are listed for your installation convenience.
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