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simatic s7-1200, communication module cm 1241, rs232, 9 pin sub d (male), supports message based freeport
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simatic s7-1200, communication module cm 1241, rs422/485, 9 pin sub d (female) supports message based freeport
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communication module cm 1242-5; for connection of simatic s7-1200 to profibus as dp slave module
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communication module cm 1243-5 for connection of simatic s7-1200 to profibus as dp master module; pg/op communication; s7-communication
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simatic s7-1200, sm1278 io-link, 4 x io-link master
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communications processor cp 1243-1 for connecting simatic s7-1200 to telecontrol server basic via ethernet also suited for safe communication with network with firewall and vpn
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ts module gsm; gsm/gprs modem for ts adapter; teleservice via public gsm netz please note national approvals for use with ts adapter (6es7972-0eb00-0xa0) for teleservice applications via public gsm net
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SIMATIC S7-1200, CM 1243-2 communication module AS-Interface master according to AS-i specification V3.0