Rockwell Automation 1771-DB Basic Module User Manual - Series A User Manual
Page 116

Operating Functions
Chapter 5
5–79
Example program 3:
10
REM STRING ALLOCATION COMPUTATION KNOWING:
20
REM 1) AMOUNT OF STRING MEMORY 2) #OF STRING VARIABLES
30 PRINT:
40
INPUT “ENTER # OF BYTES OF MEMORY YOU CAN ALLOCATE FOR STRINGS”N
50
INPUT “HOW MANY STRING VARIABLES WILL YOU NEED”V
60 PRINT
70
C=INT(((N-1)/V)-1) : REM COMPUTE THE # OF CHARACTERS/STRING
80
N=(V*(C+1))+1 : REM COMPUTE THE # OF BYTES OF MEMORY NEEDED
90 PRINT:
100
PRINT “YOU NEED TO ALLOCATE”,N,“BYTES OF MEMORY FOR”, V,“VARIABLES”
110 PRINT
“CONTAINING”,“C,CHARACTERS
EACH”
120 PRINT:
130 PRINT“
STRING”,N,“,”,C
140 END
uRUN
ENTER # OF BYTES OF MEMORY YOU CAN ALLOCATE FOR STRINGS 500
HOW MANY STRING VARIABLES WILL YOU NEED ? 15
YOU NEED TO ALLOCATE 496 BYTES OF MEMORY FOR 15 VARIABLES CONTAINING 32
CHARACTERS EACH
STRING 496 , 32
READY
u
5.10.3
String Support Calls
(continued)
- 20P PowerFlex DC Drive - Frame D Bimetal Thermostat (10 pages)
- 1336S_F_T_E_R F Frame Snubber Resistor Repl. (6 pages)
- 22-COMM PowerFlex 4-Class DSI (Drive Serial Interface) Network Communication Adapter (4 pages)
- 8-545 Plug In Solid State Relay (2 pages)
- 20-HIM-B1 PowerFlex 7-Class HIM Bezel (DPI) (4 pages)
- 100 Contactors with DC Coil (1 page)
- 100 Contactors with DC Coil (2 pages)
- 20P PowerFlex DC Drive - Frame D Switching Power Supply Circuit Board (6 pages)
- 140G-MTFx_MTHx_MTIx_MTKx Trip Unit Installation-140G-M (6 pages)
- 45BRD Analog Laser Sensor (4 pages)
- 20D Multi-Device Interface Option Board for PowerFlex 700S Drives (20 pages)
- 56RF RFID 18 mm Cylindrical Transceiver (2 pages)
- 42KC Miniature Rectangular: 5V DC Version (2 pages)
- 20P PowerFlex DC Drive - Frame A Switching Power Supply Circuit Board (16 pages)
- 21P-MISC-A-TP-2 Transition Tube Kit #C19-6/7 For PowerFlex 755 w/OEM Liquid Cooling Fr 6/7 Drive (2 pages)
- 42BT Background Suppression Sensor (3 pages)
- 42CB High Speed 18mm Cylindrical (4 pages)
- 140EX-JE2_JE3 Molded Case Circuit Breaker (4 pages)
- 140G-K-EAM1A Early Make Aux Contact for Rotary Handle Oper Mech-140G-K (1 page)
- 140G-K-EAM1A Early Make Aux Contact for Rotary Handle Oper Mech-140G-K (3 pages)
- 20-HIM-A6 PowerFlex (Human Interface Module) (74 pages)
- 42CF General Purpose 12mm Cylindrical (4 pages)
- 20D PowerFlex 700S Phase II Drive Frames 1...6 (80 pages)
- 140EX-HE1_HE2 Molded Case Circuit Breaker (6 pages)
- 140EX-HE1_HE2 Molded Case Circuit Breaker (4 pages)
- 20B PowerFlex 700 Custom Firmware - Pump Off (12 pages)
- 20-WIM-N4S DPI Wireless Interface Module (92 pages)
- 140U H-Frame Circuit Breaker Fixed and Adjustable Thermal Trip (7 pages)
- 140U H-Frame Circuit Breaker Fixed and Adjustable Thermal Trip (2 pages)
- 60-2619, 42JS Swivel/Tilt Mounting Bracket (1 page)
- 22A PowerFlex 4/40/400 Flange Mount (4 pages)
- 45MLA Controller Installation Instructions (16 pages)
- 20P PowerFlex DC Drive - Cooling Fan for Frame A Drives Above 73A at 230V 460V AC (6 pages)
- 42JS Series 7000 to 42JS VisiSight Replacement Kit (2 pages)
- 22A PowerFlex 4-Class HIM Bezel (DSI) (4 pages)
- 42CS Stainless Steel Photoelectric Sensors (4 pages)
- 20L-LL PowerFlex 700L Liquid-to-Liquid Heat Exchanger (40 pages)
- 20P PowerFlex DC Drive - Frame B SCR Modules (20 pages)
- 22B PowerFlex 40 Quick Start FRN 5.xx - 6.xx (161 pages)
- 22B PowerFlex 40 Quick Start FRN 5.xx - 6.xx (22 pages)
- 22F PowerFlex 4M Input RFI Filters (2 pages)
- 45LFM Capacitive Label Sensor (4 pages)
- 140G-Rx Installation Instruction-140G-R (2 pages)
- 140G-Rx Installation Instruction-140G-R (29 pages)
- 22C PowerFlex 400 AC Drive Quick Start - FRN 1-4.xx (28 pages)