No, they do not have polarity because they use relay contacts. Show Detail
This only stops the operating CPU and the operation is not switched to the standby CPU. Show Detail
Can I remove user ROM card in the CPU module (CF or SD) while the CPU is running?
A user ROM card can be inserted and removed when the UROM LED is not illuminated (the key switch is set to a position other than UROM). When removing it whi... Show Detail
If the CPU modules are mounted on a hot plug base board with station No. setup function, you can replace them without turning off the power. Show Detail
(1) With the SPH300/2000 Series, it is used to back up the data memory of the retained attributes, calendar IC memory, and RAS information. (2) With the SPH2... Show Detail
No, it doesn't. A power supply module may occupy two slots (Type_ NP1S-22, NP1S-42) or one slot (Type_ NP1S-81, NP1S-91). The connector at the far left... Show Detail
When you use battery-less operation on the SPH, is the history of RAS information recorded?
During battery-less operation, previous fault information and other 'history of RAS' are not saved. Only the present RAS information is displayed. Show Detail
No, it is not necessary for normal operation. The main purposes of mounting a CF card or an SD card on a CPU module are as follows. - You can write a progr... Show Detail
The SPH does not have a RUN contact. Is there any alternative?
As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use one point as a RUN contact. (2) Sof... Show Detail
The battery supplied with a CPU module is used to back up the following memories in the CPU module when a PLC system is turned off. Basically, connect the ba... Show Detail
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