6 mm DIN-rail mount Jumpflex current and frequency signal conditioners convert machine frequencies and electrical currents to analog signals for PLCs and monitoring devices.The 857-500 Jumpflex frequency signal conditioners converts frequencies from NPN or PNP sensors, Namur sensors, dry contact switching or pulse generator signals to standard analog signals. The 857-550 Jumpflex current signal conditioner supports electrical utilities by converting ac or dc current measurement (0–5 A) to standard analog signal types.