Siemens HART Analog INPUT SM 331, 6ES7331-7TF01-0AB0
Siemens HART Analog INPUT SM 331, 6ES7331-7TF01-0AB0
Used. SIMATIC DP, HART analog input SM 331, 8 AI, 0/4 - 20 mA HART, for ET200M with IM153-2, 1 x 20-pole, Functions: FW update, HART auxiliary variables, redundancy, local diagnostic buffer with time stamping