SC3228 is an 8-channel -10V..+10V analog input acquisition module with 16-bit resolution and single-ended input.
SC3238 is an 8-channel 0..20mA analog input acquisition module with 16-bit resolution and single-ended input.
SC3248 is an 8-channel 4..20mA analog input acquisition module with 16-bit resolution and single-ended input.
SC3274 module is an analog input module based on EtherCAT bus, with 4-channel input interface and 16-bit resolution. It is used for RTD temperature acquisition. It can be connected to 4-channel 3-wire sensors at the same time, and support three types of sensors, namely, PT100, PT1000, and NI100.