Does an RS-485 communication module (Type_ NP1L-RS1/RS4/RS5, etc.) support the MODBUS procedure?
The SX-Programmer Expert supports MODBUS communication (master function) using an FB. Communication with a MODBUS slave device is possible by using SPH_CP... Show Detail
What is the difference between RS-485 and RS-422 ?
RS-485 is upper compatible with RS-422. In general, RS-422 devices mainly use 4-wire connection method, while RS-485 devices mainly use 2-wire connection met... Show Detail
One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs including _C_FREE, register common... Show Detail
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
The total extension of the SX bus has exceeded 25 m. Is there anything to relay the connection?
The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one system. (When three repeaters are us... Show Detail
Set the port No. as described below. (1) For NP1L-RS2_ Set '0.' (2) For NP1L-RS4_ Set '1.' See the figure below for the setting for each type of genera... Show Detail
Can we use an FL-net module (Type_ NP1L-FL1/FL2/FL3) and standard LAN device with same network?
It is not possible. Each module comply to following FL-net standards. NP1L-FL1 : FL-netVer1 NP1L-FL2 : FL-netVer2 NP1L-FL3 : FL-netVer3(Class1) In FL-... Show Detail
What is the type of the configurator that is used with NP1L-PD1/PD2?
Use the following types of configurators: 'CONF-PDP' for NP1L-PD1 and 'NetTool for Profibus' for NP1L-PD2. Purchase a configurator from HMS Industrial Networ... Show Detail
No, they are not synchronized. The configuration flag cannot be used for that application. Use the broadcast area for handshaking using the application to ... Show Detail
When the P-link module is specified as 'unimplemented' and no P-link module exists in the system, attempting to access the P-link memory using a contact, coi... Show Detail
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