Delta-electronics Extension Digital I/O Module DOP-EXIO14RAE Manual de usuario descargar pdf (Pagina 142)

Appendix D Use of Application Instructions|DOP-EXIO Series

Revision March, 2008, Doc. Name: 2007PDD23000014 D-61

Mnemonic Operands Function

ASCI

Convert Hex to ASCII

Bit Devices Word Devices

X Y M S K H KnX KnY KnM KnS T C D E F

          

     

 

y Note:

1. Range of n: 1 ~ 256

16-bit instruction (7 Steps)

ASCI

Continuous

execution

32-bit instruction

- - - -

y Flags: M1161 (8/16 bit mode switch)

Operands:

: Start device for source data

: Start device for storing the converted result

: Number of bits to be converted

Explanations:

1. 16-bit conversion mode: When M1161 = Off, the instruction converts every bit of the hex data in S

into ASCII codes and send them to the 8 high bits and 8 low bits of

D. n = the converted number

of bits.

2. 8-bit conversion mode: When M1161 = On, the instruction converts every bit of the hex data in

into ASCII codes and send them to the 8 low bits of

D. n = the number of converted bits. (All 8

high bits of

D = 0)

Program Example 1:

1. M1161 = Off: The 16-bit conversion mode

2. When X0 = On, convert the 4 hex values in D10 into ASCII codes and send the result to registers

starting from D20.

ASCI D10 D20 K4

M1001

M1161

3. Assume

(D10) = 0ABC H ‘0’ = 30H ‘1’ = 31H ‘5’ = 35H

(D11) = 1234 H ‘A’ = 41H ‘2’ = 32H ‘6’ = 36H

(D12) = 5678 H ‘B’ = 42H ‘3’ = 33H ‘7’ = 37H

‘C’ = 43H ‘4’ = 34H ‘8’ = 38H

4. When

n = 4, the bit structure will be as:

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 156 157

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