Delta Electronics Programmable Logic Controller DVP-PLC User Manual
Page 378
7 Application Instructions API 50-99
D V P - P L C A P P L I C AT I O N M A N U A L
7-94
API Mnemonic
Operands
Function
82
ASCI P
Converts Hex to ASCII
Controllers
ES/EX/SS SA/SX/SC EH/SV
Bit Devices
Word Devices
Program Steps
Type
OP
X Y M S K H
KnX
KnY KnM KnS T
C
D
E
F
S
*
*
*
*
*
*
*
*
*
D
*
*
*
*
*
*
n
*
*
ASCI, ASCIP: 7 steps
PULSE 16-bit 32-bit
ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV
Operands:
S
: Start device for source data D: Start device for storing the converted result n: Number of bits to be converted
Explanations:
1. Range
of
n
: 1 ~ 256
2. See the specifications of each model for their range of use.
3. Flag: M1161 (8/16 bit mode switch)
4. 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.
5. 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) = 0123 H
‘0’ = 30H
‘4’ = 34H
‘8’ = 38H
(D11) = 4567 H
‘1’ = 31H
‘5’ = 35H
‘9’ = 39H
(D12) = 89AB H
‘2’ = 32H
‘6’ = 36H
‘A’ = 41H
(D13) = CDEF H
‘3’ = 33H
‘7’ = 37H
‘B’ = 42H
4. When
n
= 4, the bit structure will be as:
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
2
3
D10=0123 H
D20
D21
0
0
1
1
0
0
0
1
0
0
1
1
0
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
31H
0
30H
3
33H
2
32H
High byte
Low byte
High byte
Low byte