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SFBs for Integrated Control Manual Mode in Two/Three-Step Control In the manual mode (MAN_ON = TRUE), the binary outputs of the three-step or two-step controller can be set using the signals POS_P_ON and NEG_P_ON regardless of INV. Control POS_P_ON NEG_P_ON Three-step control FALSE TRUE FALSE Two-step control QPOS_P QNEG_P FALSE FALSE FALSE FALSE TRUE FALSE TRUE FALSE TRUE TRUE TRUE FALSE FALSE FALSE Any FALSE TRUE TRUE Any TRUE FALSE Initialization SFB/FB "PULSGEN" has an initialization routine that is run through when the input parameter COM_RST = TRUE is set. All the signal outputs are set to 0. Error Information The error output parameter RET_VAL is not used. System Software for S7-300/400 System and Standard Functions - Volume 2/2 A5E00739858-01 27-23
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