Specifications

8. EX MPU and I/O Extension Units

8-1

 EX MPU

EX MPU is a main processing unit with 4 analog inputs and 2 analog outputs. (Refer to Chapter 2 for detailed specifications),

methods to be adopted are as follows:

Ϩʳ Analog/Digital (A/D)

Analog Input:

Monotonicity with no miss code

Overall Precision:

Non-linearity: ±1% of full scale over temperature.

Maximum error: ±1% of full scale of +10V and +20mA over temperature.

Data format returned to the application program: Binary.

Value of LSB (Least Significant Bit):

Voltage input: 19.53125 mV (10V/512)

Current input: 39.0625 µA (20mA/512)

Input mode: differential

Common mode characteristic (dc 50Hz 60Hz) if applicable: 70dB

Total input system transfer time (TAID + TAIT): 2ms

Sample duration time (including setting time): 1ms

Sample repetition time: 0.5ms

Refresh time: 0.5ms