# COM PROFIBUS

## Bus Parameters

Bus Description: | PROFIBUS
Bus Profile: | PROFIBUS DP
Baud Rate: | 1.5 MBaud

Parameter | Value | Unit | Parameter description | T_qui | 0 | t_bit | Quiet time for modulator/repeater changeover time | T_Slot_eff | 200 | t_bit | Waiting time for receive | T_Set | 1 | t_bit | Trigger time after interrupt | Retry Limit | 1 |  | Message repeats | Gap Factor | 10 |  | Update factor for PROFIBUS Address area check | Delta-Ttr | 0 | t_bit | Additional Ttr caused by external systems | HSA | 1 |  | Highest PROFIBUS Address of an active station | T_sdr_min | 11 | t_bit | Protocol processing time | T_sdr_max | 100 | t_bit | Protocol processing time | T_rdy | 11 | t_bit | Standby time for acknowledgment | T_id1 | 37 | t_bit | Idle time after receiving response | T_id2 | 100 | t_bit | Idle time after sending call without receive | Ttr | 27201 | t_bit | Total on-bus Ttr | Typical data cycle time | 0.0072 | s | Typical data cycle time | Maximum data cycle time | 0.0544 | s | Maximum data cycle time | Response Monitoring | 0.1356 | s | Minimum required value | Number of OLMs/OBTs | 0 |  | Number of OLMs or OBTs included in the bus parameter calculation | Number of repeaters | 0 |  | Number of repeaters included in the bus parameter calculation | Line length (Cu) | 0 | m | Length of the copper line included in the bus parameter calculation | Line length (FO) | 0 | m | Length of the fiber-optic line included in the bus parameter calculation