Delta Electronics Extension Digital I/O Module DOP-EXIO14RAE - Manual (Page 142)

Appendix D Use of Application Instructions|DOP-EXIO Series
Revision March, 2008, Doc. Name: 2007PDD23000014 D-61
Mnemonic Operands Function
ASCI S D n
Convert Hex to ASCII
Bit Devices Word Devices
X Y M S K H KnX KnY KnM KnS T C D E F
S
D
n
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:
S
: Start device for source data
D
: Start device for storing the converted result
n
: 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 S
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.
X0
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: