User Manual

Siemens Building Technologies PROFIBUS DP/P-bus link
Building Automation User's guide 4-11
4.2.6 Status display unit PHM1.36TL
Up to 24 LEDs and 12 buttons on thePHM1.36T can be made to respond via the P-bus. A sin-
gle key press provides a process signal to the SIMATIC for approximately 4 seconds, after
which the signal is reset (behaves like an “acknowledge” key).
Type
PHM1.36TL
Input Word
0 0 0 0 i12 i11 i10 i9 i8 i7 i6 i5 i4 i3 i2 i1
Output Word 1
0 0 0 0 g12 g11 g10 g9 g8 g7 g6 g5 g4 g3 g2 g1
Output Word 2
0 0 0 0 r12 r11 r10 r9 r8 r7 r6 r5 r4 r3 r2 r1
ix Input bit information for buttons, where x = Button No. 1…12
gx Bit information to be written for green LEDs, where x = LED No. 1…12
rx Bit information to be written for red LEDs, where x = LED No. 1…12