Response time in case of 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 + T_Sys + 1 ms

SLS with parameterized fault response:

  • STO

T_ENC_VEL + T_Sys + 1 ms

  • SS1-t

T_ENC_VEL + T_Sys + SSx‑t delay t1 (8706.8) + Brake application time If SBC enable (8706.14) = no, then the brake application time = 0 (8706.15) + 1 ms

  • SS2-t

T_ENC_VEL + T_Sys + SSx-t delay t1 (8706.8)

  • SS1-r

T_ENC_VEL + T_Sys + SSx‑r monitoring delay t2 (8706.9) + Brake application timeIf SBC enable (8706.14) = no, then the brake application time = 0 (8706.15) + Actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk timeIf ramp monitoring = linear, then the jerk time = 0t3 (8706.11) + 1 ms

  • 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 time t3If ramp monitoring = linear, then the jerk time = 0(8706.11)

SSR with parameterized fault response:

  • STO

T_ENC_VEL + T_Sys

  • SS1-t

T_ENC_VEL + T_Sys + SSx‑t delay t1 (8706.8) + Brake application timeIf SBC enable (8706.14) = no, then the brake application time = 0 (8706.15)

  • SS2-t

T_ENC_VEL + T_Sys + SSx-t delay t1 (8706.8)

  • SS1-r

T_ENC_VEL + T_Sys + SSx‑r monitoring delay t2 (8706.9) + Brake application timeIf SBC enable (8706.14) = no, then the brake application time = 0 (8706.15) + Actual_speed (8700.79)/SSx‑r deceleration a (8706.10) + SSx‑r jerk time t3If ramp monitoring = linear, then the jerk time = 0 (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 time t3If ramp monitoring = linear, then the jerk time = 0(8706.11)

SDI

T_ENC_POS + T_Sys + 1 ms

SLI

T_ENC_VEL + 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