$4.95 Buy It Now or Best Offer
free,30-Day Returns
Seller Store bluesky201203
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Location: Guangzhou
Ships to: US,
Item: 233444048813
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
eletechsup:eletechsup
Type:Relay
Application Automated industry PLC Relay Module Smart Home,Home Automation ; Identification system; Motor FW & BW; CCTV Camera PTZ Control; Security system; LED dot matrix screen; RS232 remote control; Product Name: 12V 24V 8ch RS232 IO Control Switch Relay PLC expansion board DB9 Serial port PC Com Package inlcuded: 1 x 12V 8 Channel Multifunction RS232 TTL232 Control Board for 1-8 CH Relay Module Description: 1: Operating Voltage : DC 6-24V(12V Version) 2: Operating Current : 10-15MA 3: Two serial ports: RS232 DB9 interface, TTL 232 interface 4: 8 Output control pins, 5V TTL level, low level (default) / high level output 5: “Open” “Close” “Momentary” “Self-locking” “Interlock” “Delay”(Only AT command) “All Relays Open” “All Relays Close” 8 Commands 6 Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch. 7 Under the “Delay” command ,the maximum delay is 9999 seconds(Only AT command) 8 Size: 54 * 31 * 17mm 9 Weight: 16 g Instruction manual Please ask us after the purchase Output level: M1 disconnect (default) is low-level trigger, M1 connectis is high-level trigger Glossary: Open : Control port output low level (default) Close : Control port output high level (default) Momentary : Input command, Port output low level, return to high level after 1 second; Self-locking : Input command, port output low level, input command again, port output high level, and so on; Latched : Enter the Channel 1 Latched command, port 1 output low level, port 2-8 output high level. Enter the Channel 2 Latched command , port 2 output low level, port 1/3-8 output high level Delay : Enter the Delay command, port output low level, delay of 0-9999 seconds( only AT command )after, port output high level; During the delay, Eter the Close command, immediately return to high level It can control 1-8 channels 5V/6V/9V/12V/24V Relay Module With RS232 DB9 interface and TTL 232 interface Version identification: The 6-24V version comes with a 78M05 chip, and the back of the PCB board is labeled 12/24V. The 5V version does not have a 78M05 chip, and the back of the PCB board is labeled as 5V.
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