plc115ucpu 944b

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Hello, The thing is that I don't have to much experience with siemens and I have a problem, I think the problem is the CPU, because all the red...
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hey everyone i have problem with my cpu, the cpu goes to error and i check ISTACK some data error but i'am not understand about listing program...
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Hi all, Just wondered if anyone knows how much memory is in a S5 115U CPU 944B ? I'm spec'ing an S7 PLC and wondered about what size MMC card...
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i have this CPU, and i can't communicate with it. there seems to be something wrong with the unit, because the LED configuration is something i've...
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Currently, our Siemens S5 PLC (model 944B)uses an EPROM with part# 6ES5 375-1LA61. Works great... but, I'd like to instead use an EPROM part# 6ES5...
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3,166
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