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2.1 Input connections2.1.1 Digital inputs The digital input are not optocoupled, therefore a particular care must be brought on these inputs. They are designed to work with free potential contact to Ground (Power supply GND) as shown on the drawing below.GND DI1 to DI62.1.2 Analog inputs The A/D converter present a very high input impedance allowing a 0 to max. 2.8 Volt analog probe or a 0 or 4 to 20 mA probe. Both probes are allowed. 2.8 Volts maximum output analog probeProbe Power supply GND ANALOG PROBEAI1 to AI3, 0 to max 2.8 Volts Eng 0106-LC-r4 10 |
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