Siemens SIMATIC TI500 Spécifications télécharger pdf (Page 149)

5-8

Installing Remote Base Controllers—RBCs SIMATIC 545/555/575 System Manual

PPX:505–6851–A/B and PPX:505–6850–A/B RBCs (continued)

Dipswitch SW2 (S2 on the –B version) is used to set RS-232/423 baud rates.

Figure 5-6 shows the location of the baud rate dipswitch on the RBC card.

Bezel

Dipswitch for

setting baud rate

1234

Backplane

connector

Off

Figure 5-6 RBC Dipswitch Location

Table 5-2 shows how to set the switches to select the desired baud rate.

Table 5-2 RS-232 Port Baud Rate Settings

Baud Rate Switch 1 Switch 2 Switch 3 Switch 4

19200 On (1) On (1) Off (0) On (1)

9600 On (1) On (1) On (1) On (1)

2400 Off (0) On (1) On (1) On (1)

1200 On (1) Off (0) On (1) On (1)

300 Off (0) Off (0) On (1) On (1)

NOTE: Dipswitch SW3 on the –A version is for factory use only. Do not

change the settings on this dipswitch. If the dipswitch setting is accidentally

changed, refer to Table 5-3 to reset your dipswitch to the proper setting.

Table 5-3 SW3 (Factory) Dipswitch Setting (–A Version Only)

Switch 1 Switch 2 Switch 3 Switch 4

On (1) Off (0) Off (0) Off (0)

Dipswitch Options

1 2 ... 144 145 146 147 148 149 150 151 152 153 154 ... 321 322

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Siemens SIMATIC TI500 Spécifications Page 149