CARD; TYPE: DIGITAL INPUT; VOLTAGE (V): 24VDC; ADDITIONAL FEATURES: ELECTRONIC, DI-2112 FOR RTU AK3 8X8, 1MS, 64 SINGLE S POINT, 32 DOUBLE POINTS, 64 COUNTING PULSES, 1MS RESOLUTION, GALVANICALLY ISOLATED INPUTS, COMMON RETURN, 64 INPUTS (8 GR U POS), WARRANTY SUPPORT CHILE 1 YEAR; SUGGESTED BRAND: SIEMENS 6MF1013-0CB12-0AA0