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Siemens Simatic S7 SM321 Module. Part number is 6ES7 321-1BL00-0AA0 E.Stand 4
1. Buyers MUST contact us to send the defective items back.
2. Our warranty does not extend to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user’s part.3. Items should be returned with original packages. (If applicable)4. Defective products must be returned within 30 days from issuing date. For all return products customers MUST contact us for the returning address.5. No refund accepted after 30 days of receipt.6. Returns made for non-defective merchandise will be charged a 10% restocking fee. Returns made on items that were sold as New & sealed & opened by the buyer will be subject to a restocking charge to be decided at time of return.7. In all cases, buyers pay shipping fees for all shipping charges, both sending and receiving. No refund for shipping will be given unless the item is damaged in transit or incorrectly described.
8. Refund will be made upon receipt of the returned item.