What is necessary for MODBUS_RTU communication between SPH and an external device?
The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose firmware version is V42 or later ... Show Detail
When the memory with a retain attribute is corrupted, the CPU clears the memory and operates in nonfatal fault condition. If the power is reset again in this... Show Detail
When you use preset operation in the linear operation mode, counting is sometimes discontinued due to preset overflow. Show Detail
What measures can I take against external noise of the high-speed counter (Type_ NP1F-HC2)?
Use the recommended shielded twisted pair cable mentioned in the User's Manual. Also provide shielding. Show Detail
Are there any I/O modules that cannot be mounted on the T-link expansion base?
You cannot mount the following I/O modules_ (1) High-speed input module NP1X3206-A, (2) High-speed output module NP1Y32T09P1-A, (3) Analog input module NP... Show Detail
In the system definition, group-type slave stations in any I/O configuration are registered as 'DeviceNet capsule.' In addition, the numbers of input and out... Show Detail
There are two ways to connect a USB port of a personal computer and a CPU: 1) Connect to the USB port of the CPU (directly connected to the USB cable). 2) ... Show Detail
What is necessary for MODBUS_TCP communication between SPH and an external device?
The following are necessary. 1) Hardware Ethernet interface module (NP1L-ET1) or CPU module with built-in Ethernet (SPH2000/3000 series CPU types w... Show Detail
No, you cannot use NW0H-CNV. The RS-232C/422 converter for personal computer loaders (Type_NW0H-CNV) needs to be supplied power from the PLC side, however, t... Show Detail
It depends on your CPU model and how often you conduct regular inspection. The backup time after a battery error is detected is as follows. NP1PS-32/32R:... Show Detail
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