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Memory cards, front connectors, mounting rails and compatible I/O modules.
Helmholz components for S7 are plug-compatible modules and accessories for Siemens S7-300, S7-400, S7-1200 and S7-1500 installations. They let a plant keep an existing PLC running with memory cards, replacement I/O modules, front connectors and rails that fit the Siemens system without any change to the program, and add functions such as CAN connectivity that the original system lacks.
S7 memory cards cover Micro Memory Cards for S7-300 and SIMATIC Memory Card formats for S7-1200 and S7-1500. The DEA 300 digital and AEA 300 analog I/O modules work in S7-300 racks without program changes. Front connectors (700-392 family) come in 20- and 40-pin screw, spring, EasyConnect and FastPlug versions, also pre-assembled with cable. Mounting rails (700-590 family) suit 300 and 1500 series racks, and the CAN 300 PRO (700-600-CAN12) adds a CAN interface to a 300 PLC.
Indian plants with large S7 installations buy these as spares and for expansions. Specify the Siemens CPU or module the part is for, memory card capacity, front connector pin count and termination type, rail length, and for the CAN 300 PRO the CAN protocol and baud rate.
Elume sells Helmholz components for s7 on order: send the part numbers or the specification and the quantity, and we come back with one GST-ready quote, usually within a working day. Bulk and project quantities welcome; delivery across India. See the whole Helmholz range we quote on the Helmholz page, or the full catalogue on Helmholz's own site.
The series asked for most. Any other Helmholz part number is quoted the same way.
The DEA 300 and AEA 300 modules are designed to fit S7-300 racks and be used in existing applications without changing the program, with the same front connector and addressing scheme. Check the exact module type against the Siemens part being replaced.
An S7-1500 or S7-1200 uses the SIMATIC Memory Card format, which is mandatory for the CPU to run. State the CPU type and the capacity needed for program, data logs and web server files so the right card is quoted.
It gives an S7-300 or VIPA 300S rack a CAN interface for CANopen or Layer 2 CAN devices such as drives, sensors and vehicle networks, with ready function blocks and example projects to integrate it in STEP 7.
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