Triconex 3700A and 3721 replacement FTA, 2- or 3-wire or self powered transmitters, Outputs: 2 x 16 channels, 0 V ... 10 V differential, DC coupled (makes 32 channels), Short-circuit protected, Plug-n-play wiring capabilities, Optimized for use in floating power configurations, Number of channels: 32 unbalanced signal loops