Primary Contents

• What is the difference between the different operating modes of the Programmable Controller’s CPU Unit (i.e., PROGRAM mode, RUN mode, and MONITOR mode)?
• Is there an instruction that can be used in a subroutine to turn OFF an output bit that was turned ON in the main program?
• Will interrupt tasks and interrupt subroutines work properly during overhead processing, I/O refreshing, and peripheral servicing if C200HS-INT01 Interrupt Input Units are used in CS1 or CS200HX/HG/HE Programmable Controllers?
• When I turn ON the power to Programmable Controllers, two ruled lines appear on the Programming Console display. What is the problem?
• How will Programmable Controllers behave if the power supply voltage drops momentarily?
• Is a battery for EEPROM memory backup required when using an EEPROM Memory Cassette with C200HS or C200HX/HG/HE Programmable Controllers?
• Can NT-AL001-E RS-232C/RS-422 Link Adapter be used to convert the peripheral port on a CPU Unit of Programmable Controllers to RS-422?
• Can I continue to use CQM1-CIF01 or CQM1-CIF02 Peripheral Port Connecting Cable that I am currently using with CQM1 even if I change to CQM1H Programmable Controllers?
• Can the contents of the DM Area in CS1 or C200HX/HG/HE Programmable Controllers CPU Units be written to or read from a personal computer even when the CPU Unit is operating?
• What problems will occur if I mistakenly set CQM1 Programmable Controllers as the device type when programming CPM2C Programmable Controllers using the SYSMAC Support Software?
• How can we write CS1 Programmable Controller CPU I/O Memory Data from Personal Computer via RS-232C for CS1 (1:1 Communication)?
• When we communicate with Personal Computer at Programmable Controller Peripheral Port, which is faster between Host Link and Tool bus?
• Is there Programmable Controller simulation software?
• How can we convert SYSMAC Support Software file SP1 by CX-Programmer FA Integrated Tool Package?
• What is the difference between files with the extension .CXT and .CXP that can be converted using the CX-Programmer FA Integrated Tool Package conversion utility?
• What support software does provide programming for the C500?
• Can Factory Automation System Integrated Tool Package "CX-One CX-Programmer" and Drawing Tool for CX-One NS Series "NS-Designer" be connected with the Programmable Controllers (PLC) by using a USB port built into the personal computer?
• What is the correct device type setting in the Support Soft Ware “CX-Protocol” when creating send/receive sequences for protocol macros for CQM1H Programmable Controllers?
• What are FINS commands?
• What is the best way to monitor I/O Memory Data of the CS1, C200HX/HG/HE, CPUs in Excel files?
• Without using FINS Communication, can we access Programmable Controller I/O memory via Ethernet?
• Is there a command that can write 100 words of data at once from a computer to the DM Area in the CPU Unit?
• What part of I/O memory in the CPU Unit is allocated to CS1W-SCU21 Serial Communications Unit and CS1W-CLK21 Controller Link Unit?
• When using a SYSMAC LINK Unit with a C1000H/C2000H Programmable Controllers CPU Unit that already has a 3G2A5-LK201-EV1 Host Link Unit, is it necessary to replace 3G2A5-LK201-EV1 with a C500-LK203 Host Link Unit?
• When I use C120-LK201-EV1 Host Link Units with C60P Programmable Controllers, a communications error occurs. Why?
• Can a single sensor output be connected to multiple Programmable Controllers Input Units in parallel?
• How can we use Programmable Controller Transistor Output distinguishing Sink Type or Source Type?
• What is the allowable momentary power interruption time for the CQM1-PA203/-PA206/-PA216/-PD026 Power Supply Units?
• How long are the contents of the DM Area in a CS1 Programmable Controllers or C200HX/HG/HE Programmable Controllers CPU Unit retained?
• What is the difference between Group-2 High-density I/O Units and Special I/O Units used with the CS1 Programmable Controllers and C200HX/HG/HE Programmable Controllers?
• When will the RUN output on C200HW-PA204R Power Supply Units for CS1 Programmable Controllers and C200HX/HG/HE Programmable Controllers turn ON?
• Using CX-Programmer FA Integrated Tool Package, how can we connect Programmable Controller via Ethernet?
• I have connected a C200H-PRO27-E Programming Console to a CQM1H Programmable Controllers peripheral port and am running the CPU Unit in MONITOR mode. However, when I turn OFF power supplies to CPU Units, remove Programming Console, and then turn ON power supplies again, CPU Units do not enter RUN Mode. What is the cause of this, and how can I resolve this problem?
• What is the difference between CS1W-NC[]13 Position Control Units and CS1W-MC221 Motion Control Units?
• I have C200H-MC221 Motion Control Units connected to a servo driver from another company. What is required for the DRV X-Y Connector XSOUT signal (SEN signal), and what timing is required?
• Can C200H Group-2 High-density I/O Units be used with C200H-RT201 SYSMAC BUS Remote I/O Slave Unit?
• Can CQM1 Programmable Controllers programs be used on CQM1H Programmable Controllers without modification?
• What are the conditions under which a C200HX/HG/HE Programmable Controllers will detect a power interruption when used with C200HW-PA204 Power Supply Units at 100 VAC?
• How do I use the calendar and time data with CS1 Programmable Controllers and C200HX/HG/HE Programmable Controllers CPU Units?
• Are there comparison instructions that can be used as the input condition for other instructions in a ladder program?
• Is it possible to connect two CPM1A Programmable Controller Units with a RS-232C cross cable through an adapter, process an input to one CPM1A Unit, and output the result from the other CPM1A Unit?
• When I used C120-LK201-EV1 Host Link Units with C20P Programmable Controllers a communications error occurred. How should I handle this?
• Will a CS1-series Programmable Controller's program be lost if its backup battery is not replaced after its 5-year service life has expired?
• Can we send string data from the Programmable Controllers via the RS-232C interface?
• Is there a restriction on the number of C200H Programmable Controllers SYSMAC LINK Units that can be mounted when a Host Link Unit is also mounted? Is it different than with C1000H Programmable Controllers?
• What upgrades were made to the Backplanes for C200H/HS/HE/HG/HX Programmable Controllers?
• Can we use the CX-Programmer with the C200H CPU?
• Why is it that when I use online editing to delete instructions that cause an output on Programmable Controllers to be turned ON, the output does not turn OFF?
• Why communication error occurs during CX-Programmer FA Integrated Tool Package get online with Programmable Controller?
• What is the difference between CPM2C Programmable Controllers CPU Units with sinking outputs and sourcing outputs?
• What is indirect DM addressing?
• What system configuration is necessary to display the contents of 4-digit decimal data memory in Programmable Controllers on an external 7-segment digital display?
• What is a protocol macro?
• Can a C200H-NC111/112/211 Position Control Units be used in a CS1-series Programmable Controllers? Are there any restrictions?
• How can the Programmable Controller "SYSMAC" be connected to a personal computer through a serial port or an Ethernet? Is the FinesGateway necessary?
• Is there a cable available that will connect the built-in RS-232C port of CS-series Programmable Controllers CPU Unit to NT-AL001 Option of Programmable Controllers?
• What is the difference between C200H-ID216 Programmable Controllers’ input Units and C200H-ID218 Programmable Controllers’ input Units?
• With the CX-Programmer FA Integrated Tool Package, what is the procedure to transfer a program to a C200HX/HG/HE-Z Programmable Controllers or C200HS Programmable Controllers Memory Cassette? What is the procedure to verify the data?
• What is the baud rate of the RS-232C communications port built in to CS1 Programmable Controllers CPU Unit?
• What is the minimum version of the CX-Programmer FA Integrated Tool Package required to operate in a Windows XP environment?
• Which OMRON products (general-purpose communications components) can the CPM2C-CIF21 Simplified Communications Unit communicate with?
• When using C200H-CT001-V1/CT002/CT021 High-speed Counter Units, the RUN indicator does not light even when I turn ON power supplies to Programmable Controllers. Is the Unit malfunctioning?
• What is the advantage of using index registers?
• Is it necessary to create I/O tables when using CJ1 Programmable Controllers?
• What is the difference between C1000H/C2000H-CPU01 Programmable Controllers and C1000H/C2000H-CPU01-V1?
• How do I create a program to input 2-digit BCD data from a digital switch to CIO 0.08 to CIO 0.15 and then move the data to specified DM Area words?
• How do I create a program to input 1.5-digit BCD data to CIO 0.00 to 0.05 BCD from a digital switch and move it to a specified DM Area word?
• How do I make a program to transfer a 2.5-digit BCD data stored in the DM Area to display it on a static-input digital display (CIO 2.00 to CIO 2.09)?
• When I transfer the program to CPM1A Programmable Controllers using the SYSMAC Support Software, a message saying to turn ON the Programmable Controllers’ DIP switch and try again was displayed. Why?
• How do I program a time switch to turn ON and OFF a machine at specific time daily?
• A message saying that the new code is too large and cannot be transferred to Programmable Controllers due to an online editor limitation was displayed while I was performing online editing. What should I do?
• Can I program Programmable Controllers so that all of the outputs in a ladder program step will not turn OFF, even after proceeding to the next step (i.e., will retain the output status in future steps) when using step ladder program instructions to perform step ladder control?
• How do I write a program that uses index registers and increment instructions to do an incremental count of N pulse inputs?
• Which Connector-Terminal Block Conversion Units, I/O Relay Terminals, and Connecting Cables can be used with CJ1W-ID231 DC Input Units?
• Which Connector-Terminal Block Conversion Units, I/O Relay Terminals, and Connecting Cables can be used with C200H-OD219 Transistor Output Units?
• Which Connector-Terminal Block Conversion Units, I/O Relay Terminals, and Connecting Cables can be used with C200H-ID217 DC Input Units?
• Which Connector-Terminal Block Conversion Units, I/O Relay Terminals, and Connecting Cables can be used with C200H-ID215 DC Input Units?
• How do I write a program to operate a motor for a time directly proportional to the 1 to 5 VDC signal?
• How do I create programming to use a DATA SEARCH (SRCH) instruction to find a certain product code from within the production instruction master table and extract the related production instruction data?
• How do I write a program that will read input signals from ten-key keypad connected to a CS/CJ Programmable Controllers and convert them to numeral data?
• What is the difference in the way that the BCD ADD WITHOUT CARRY instruction and BCD ADD WITH CARRY instructions are used?
• Can C200H, C200HX/HG/HE, or CS Programmable Controllers use the C200H-RM[][][] (SYSMAC BUS) and C200HW-DRM21-V1 (DeviceNet) at the same time?
• In what cases will the RUN output on a Power Supply Unit turn ON?
• Which Connector-Terminal Block Conversion Units, I/O Relay Terminals, and Connecting Cables can be used with CJ1W-ID261 Programmable Controllers?
• What are the differences in Support Software, instructions, and the way Extended Data Memory is handled between the C200HX/HG/HE Programmable Controllers and C200HX/HG/HE-Z Programmable Controllers?
• What is the difference between the open collector and line driver used with a High-speed Counter Unit?
• What is a CPU error and a WDT error (watchdog timer error)?
• What instruction can I use to reverse the status of specific bits?
• How do I store changeover data in the file memory in CSV format, and use the FREAD instruction to copy the data to specific words in the DM Area?
• Are there instructions that directly make comparisons (e.g., "equal", "less than", "more than") so that comparison results do not have to be accessed from the status of result flags for comparison instructions?
• How do I write a program to delay turning ON a work bit for 1 scan after an input A turns ON and keep the work bit ON for only 1 scan when using a CS/CJ-series Programmable Controllers?
• How do I write a program to delay turning ON a work bit for 1 scan after an input A turns ON and keep the work bit ON for only 1 scan?
• How do I program ON/OFF delays?
• How do I program repeatedly turning a bit OFF for 1 second and ON for 1.5 seconds?
• How do I program a one-shot output?
• What products are recommended as substitutes for the C200H-CPU01 Programmable Controller?
• How do I program an ON delay?
• What is the difference between the CONDITION ON instruction (UP) for the CS/CJ-series Programmable Controllers, and DIFU instruction?
• What outputs turn OFF with in interlocked program sections Interlock Instruction (IL/ILC) and those that do not turn OFF?
• In CS1-series Programmable Controllers, can CS1W-BI[][]3 Expansion Backplane be connected to CS1W-BC[][]2 CPU Backplane? Can CS1W-BI[][]2 Expansion Backplane be connected to CS1W -BC[][]3 CPU Backplane?
• When I send and receive data with protocol macros, occasionally the data header is not received properly. Why?
• What is the .opt file that is created with the .cxp file whenever I save a project?
• What is the difference between the binary and BCD forms of math instructions?
• What combinations of connecting cables and Servo Relay Units are required to connect C200H-NC112 Position Control Units a Servo Drive?
• The address does not update correctly with IR1 in a program using the index register as shown in Figure 1. Why?
• How should I handle programs that have BCD subtraction operations that result in a negative number?
• Can C200H-LK201-V1 Host Link Unit be used with CS1-series Programmable Controllers?
• My 8-second ON-delay timer program that uses a TIM instruction does not run properly. What is the problem?
• How can I connect a C200H Programmable Controller's CPU Unit with an IBM PC/AT or compatible computer?
• Can individual tasks be protected on the CS1/CJ1-series Programmable Controllers?
• How do duplicated outputs work in a step program area?
• How can I manually determine internal connections between COM terminals for Programmable Controller I/O Unit?
• What are push-on and push-off alternating bits?
• What is the difference between a program task and program section when using CX-Programmer FA Integrated Tool Package with CS1/CJ1-series Programmable Controllers?
• Can I program flickering back-and-forth between two outputs when a switch is ON?
• What is the difference between a Holding Area bit and a keep bit or a KEEP instruction?
• What should be connected to the NC terminals shown in I/O Unit terminal connection diagrams?
• Can the same DM address be used for the first and third, or second and third operand in a math instruction?
• When I use the CX-Programmer FA Integrated Tool Package to write a differentiated instruction to CQM1H Programmable Controllers, it results in an error. Why?
• How are Memory Cards usually used with CS1/CJ1 Programmable Controllers?
• When monitoring a ladder diagram, sometimes the output does not turn ON even though the input condition is ON, or the output turns ON even though the input condition is OFF. What is the reason for this?
• What does it mean when the “I” or “Q” is displayed in front of a bit address in a ladder program in CX-Programmer FA Integrated Tool Package?
• Are there any cables available to connect the Programmable Controller (PLC) or the Programmable Terminal (PT) to a personal computer's USB port?
• Can CS1/CJ1-series Serial Communication Units use non-procedural communications?