Pulse Counter Operating temperature: -20...+65 °C Counter input: PNP, NPN Dimensions: 96 x 48 x 73.6 mm Front panel cut-out: 92 x 45 mm Operating voltage: 10...30 VDC Display type: LED Displays: 6-Digit Output: Optocoupler / 10 mA @ 30 V Protection rating: IP65 (Front Panel) Termination type: Screw Terminal Character height: 14 mm Counting frequency max.: 30 Hz / 60 kHz