Delta Tau ACC-28EP, User Manual

Page: 15 / 17

ACC-28EP 16bit ADC Board 15
4.4. E1/E2 : 1-2 Short, S_CH-1 : ON, S_CH-2 : OFF

Unipolar Convert
 ±10[V] Range : ADC- to ADC+  0[V] ~ +20[V]
A. Differential Ended Input
=
[ ]
[ ]
× ( − )
Input Voltage Calculation ADC Value
0[V](Differential) 0/10*65535 0
5[V](Differential) 5/10*65535 32767
10[V](Differential) 10/10*65535 65535
= ÷ − ×
//Ex) Base Add : $78C00, CH1 Input Voltage
#define 28EP_ADC_CH1 M4000
#define INPUT_VOLTAGE P100
28EP_ADC_CH1->Y:$78C00,8,16,U
INPUT_VOLTAGE = 28EP_ADC_CH1/$FFFF*10
B. Single Ended Input
=
[ ]
[ ]
× ( − )
Input Voltage Calculation ADC Value
0[V](Single) 0/20*65535 0
10[V](Single) 10/20*65535 32767
20[V](Single) 20/20*65535 65535
= ÷ − ×
Ex) Base Add : $78C00, CH1 Input Voltage
#define 28EP_ADC_CH1 M4000
#define INPUT_VOLTAGE P100
28EP_ADC_CH1->Y:$78C00,8,16,U
INPUT_VOLTAGE = 28EP_ADC_CH1/$FFFF*20