Response time for limit violation with active fault response

The response time describes the time from detection of the limit value violation to activation of the safe state (STO). All response times must be multiplied by the factor 1.002.

Calculation factor

Calculation specification response time

SOS

T_ENC_POS_Combined + T_Sys

SSx-r

T_ENC_VEL_Combined + T_Sys

SLS with parameterized fault response:

  • STO

T_ENC_VEL_Combined + T_Sys

  • SS1-t

T_ENC_VEL_Combined + T_Sys + SSx‑t delay t1 (8706.8) + Brake application time If SBC enable (8706.14) = no, then brake application time = 0. (8706.15)

  • SS2-t

T_ENC_VEL_Combined + T_Sys + SSx‑t delay t1 (8706.8)

  • SS1-r

T_ENC_VEL_Combined + T_Sys + SSx‑r monitoring delay t2 (8706.9) + Brake application time1) (8706.15) + Actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk timeIf ramp monitoring = linear, then jerk time = 0.t3 (8706.11)

  • SS2-r

T_ENC_VEL + T_Sys + SSx‑r delay t2 (8706.9) + actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time2) t3 (8706.11)

SSM

T_ENC_VEL_Combined + T_Sys

SSR with parameterized fault response:

  • STO

T_ENC_VEL_Combined + T_Sys

  • SS1-t

T_ENC_VEL_Combined + T_Sys + SSx‑t delay t1 (8706.8) + Brake application time1) (8706.15)

  • SS2-t

T_ENC_VEL_Combined + T_Sys + SSx‑t delay t1 (8706.8)

  • SS1-r

T_ENC_VEL_Combined + T_Sys + SSx‑r monitoring delay t2 (8706.9) + Brake application time1) (8706.15) + Actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time2) t3 (8706.11)

  • SS2-r

T_ENC_VEL_Combined + T_Sys + SSx‑r delay t2 (8706.9) + actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time2) t3 (8706.11)

SDI

T_ENC_POS_Combined + T_Sys

SLI

T_ENC_VEL_Combined + T_Sys

For systems in which an encoder is responsible for the position and a 2nd encoder is responsible for the speed, the following applies:

T_ENC_VEL_Combined + TENC_POS_Combined + T_Sys

SLA with parameterized fault response:

  • STO

T_ENC_ACC_Combined + T_Sys

  • SS1-t

T_ENC_ACC_Combined + T_Sys + SSx‑t delay t1 (8706.8) + Brake application time1) (8706.15)

  • SS2-t

T_ENC_ACC_Combined + T_Sys + SSx‑t delay t1 (8706.8)

  • SS1-r

T_ENC_ACC_Combined + T_Sys + SSx‑r monitoring delay t2 (8706.9) + Brake application time1) (8706.15) + Actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time2) t3 (8706.11)

  • SS2-r

T_ENC_ACC_Combined + T_Sys + SSx‑r delay t2 (8706.9) + actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time2) t3 (8706.11)

SLP:

 

  • with ramp

T_ENC_VEL_COMBINED + T_ENC_POS_COMBINED + T_Sys

  • without ramp

T_ENC_POS_COMBINED + T_Sys