Siemens SIMATIC CM35, Manual

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7-10
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
7.4 Controlling the Digital Outputs
The status of the digital outputs is specified with the DO byte.
0: Switch off output
1: Switch on output
Write the DO byte to the address ² module start a 0. ²
Table 7-12 shows the allocation of the bits of the DO byte to the channels.
Note
Control of the digital outputs must be programmed with a word access.
Table 7-12 Assignment of the DO byte
Address Name Type Initial Value Commentary
DO_Block STRUCT
+0.0 Digital_Output_Chan_1 BOOL FALSE 0: Digital output off
1 Di i l
+0.1 Digital_Output_Chan_2 BOOL FALSE
1: Digital output on
+0.2 Digital_Output_Chan_3 BOOL FALSE
+0.3 Digital_Output_Chan_4 BOOL FALSE
+0.4 Digital_Output_Chan_5 BOOL FALSE
+0.5 Digital_Output_Chan_6 BOOL FALSE
+0.6 Digital_Output_Chan_7 BOOL FALSE
+0.7 Digital_Output_Chan_8 BOOL FALSE
+1.0 Res_1 BYTE B#16#0 In reserve
=2.0 END_STRUCT
Example (S7): Set outputs 1 and 2
- The CM35 has the module start address 256.
L 2#0000_0011_0000_0000 // Load DO byte to set
outputs 1 and 2
T PQW 256 // Mod. start addr. = 256
Timer Operating Mode