Siemens S5-135U/155U appendix 115

Models: S5-135U/155U

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CPUs, Memory Cards, Memory Submodules, Interface Submodules

If you unplug the jumpers 12-14 and 4-6, the two-wire line R is not preset and the break state cannot be recognized clearly.

With the following jumper setting you can switch over the data direction on the two-wire line R:

Jumper 16-18:setting for full duplex operation. Data can only be received on the two-wire line R (default).

Jumper 18-20:setting for half duplex operation. Data can be transmitted or received on the two-wire line R (special driver required).

With the following jumper setting you can switch the two-wire line B as an input or an output.

Jumper 17-19:two-wire line B is switched as an output. The line X(B) can be used as an input. X(A) is connected to ground (default).

Jumper 15-17:two-wire line B is switched as an input. The line X(B) cannot be used.

With the following jumper setting you can either place the signal /PS3 or the internal transmitting frequency (TxCint) on the two-wire line B. The two-wire line B must be switched as an output.

Jumper 2-4:the signal /PS3 can be transmitted via the two-wire line B (default).

Jumper 4-6:the internal transmitting frequency TxCint can be transmitted via the two-wire line B.

System Manual

5-115

C79000-G8576-C199-06

Page 255
Image 255
Siemens S5-135U/155U appendix 115