CR500 Datalogger
Page 13
... be used as ground reference for switch closure, voltage pulse, or low level,AO signals (see below). Port C2lP3: Dualfunction controlled by CR500 program. - C2:- Example: tipping bucket rain gauge. Power ground: Connect cable shields to this port can be programmed to count switch ...must be programmed to count switch closures at a rate up to minimize electrical noise on page i). Typically this ground to 40Hz (see spec sheet on sensor inputs and protect against voltage transients. Ground terminal for sensors that require excitation. P3: Port can be tied to activate...
... be used as ground reference for switch closure, voltage pulse, or low level,AO signals (see below). Port C2lP3: Dualfunction controlled by CR500 program. - C2:- Example: tipping bucket rain gauge. Power ground: Connect cable shields to this port can be programmed to count switch ...must be programmed to count switch closures at a rate up to minimize electrical noise on page i). Typically this ground to 40Hz (see spec sheet on sensor inputs and protect against voltage transients. Ground terminal for sensors that require excitation. P3: Port can be tied to activate...