Used. SIMATIC DP, Connection DP/PA-LINK and ET200M IM153-2 HF for extended temperature range for max. 12 S7-300 modules with redundancy capability, timestamping suitable for isochronous mode new features: up to 12 modules can be used Slave initiative for Drive ES and Switch ES expanded quantity structure for HART auxiliary variables Operation of the 64-channel modules 32 signals / slot