MODULE; TYPE: DIGITAL INPUT; VOLTAGE (V): 24V; CURRENT (A): 20MA; POWER: 1.1W; FREQUENCY (HZ): NO INFORMATION; OPERATING TEMPERATURE: -40 TO 70 C; INPUT NUMBER: 16 CHANNELS; OUTPUT NUMBER: NO INFORMATION; TYPE 7X129MM; DESIGNATED USE: NO INFORMATION; STANDARDS AND SPECIFICATIONS: NO INFORMATION; ADDITIONAL CHARACTERISTICS: NO INFORMATION ; SUGGESTED MARKS: SIEMENS 6AG1521-1BH007AB0