RayTek MARATHON FA, Operating Instructions Manual, Page: 14 / 67

Technical Data
6 Marathon Series FA/FR
Warm up Period 15 minutes
Weight
Optical Head 100 g (3.5 oz)
Electronics Housing 710 g (9 oz)
3.3 Electrical Specifications
Power Supply 24 VDC ±20%, 500 mA (max 100 mV peak to peak of ripple)
Power Consumption max. 12 W
Output Isolation 500 V AC or DC provided by manufacturer supplied power
supply accessory
Dielectric Withstand Voltage 500 V
Outputs
Analog 0 ‐ 20 mA, 4 ‐ 20 mA, 16 bit resolution
max current loop impedance: 500
Ω
Digital RS485 networkable to 32 sensors
Baud rate: 300, 1200, 2400, 9600, 19200, 38400 (default)
Adjustable baud rate only available through 2 ‐ way RS485.
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)
Input
External Reset TTL input, trigger for resetting peak or valley hold
Figure 1: External Reset Wiring Diagram
Sensor
Trigger
GND