HIMax Safety Manual - Tuv-fs.com
HIMax Safety Manual - Tuv-fs.com HIMax Safety Manual - Tuv-fs.com
11 Configuring Communication HIMaxFigure 5: Reaction Time with Remote I/OsTR = t 1 + t 2 + t 3 + t 4 + (input path)+ t 5 + t 6 + t 7 (output path)T R Worst Case Reaction Timet 1 Safety Time of tRmote I/O 1t 2 0 ms, if Production Rate = 0 (normal case),otherwise ReceiveTMO + Watchdog Time of Remote I/O 1t 3 ReceiveTMO 1t 4 2 ** Watchdog Time of HIMax PESt 5 ReceiveTMO 2t 6 0 ms, if "Production Rate“ = 0 (normal case),otherwise "ReceiveTMO2“ + Watchdog Time of PESt 7 Safety time of Remote I/O 2Note: Remote I/O 1 and Remote I/O 2 can also be identical. The time values still apply if aHIMatrix PES is used instead of a remote I/O.11.2.4 Calculating the Worst Case Reaction Time with two HIMax Controllers andone HIMatrix PESThe worst case reaction time TR is the time between a change on the sensor input signal(in) of the first HIMax PES and a reaction in the corresponding output (out) of the secondHIMax PES. It is calculated as follows:Figure 6: Reaction Time with Two HIMax Controllers and One HIMatrix PEST R = t 1 + t 2 + t 3 + t 4 + (input path)+ t 5 + t 6 + t 7 (output path)T RWorst Case Reaction Timet 1 Safety Time of HIMax PES 1t 2 0 ms, if Production Rate = 0 (normal case),otherwise ReceiveTMO 1 + Watchdog Time of HIMax PES 1t 3 ReceiveTMO 1t 4 2 ** Watchdog Time of HIMatrix PES 2t 5 ReceiveTMO 2t 6 0 ms, if "Production Rate“ = 0 (normal case),otherwise ReceiveTMO 2 + Watchdog Time of HIMatrix PES 2t 7 Safety Time of HIMax PES 3Remark: HIMax PES 1 and HIMax PES 3 can also be identical.TermsPage 62 of 70HI 801 003 D Rev.2.0
HIMax11 Configuring CommunicationReceiveTMO Monitoring time of PES 1 within which a correct response from PES2 must be received. Once the time has expired, safety-relatedcommunication is terminated.Production Rate Minimum interval between two data transmissions.Watchdog Time Maximum permissible duration of a PES RUN cycle (cycle time).Worst Case The worst case reaction time is the time between a change in aReaction Time physical input signal (in) of PES 1 and a reaction in thecorresponding output (out) of PES 2.11.2.5 Assigning safeethernet AddressesThe following points must be taken into account when assigning network addresses (IPaddresses) for safeethernet:• The addresses must be unique within the network used.• If safeethernet is connected to another network (company-internal LAN, etc.), makesure that no disturbances can occur. Potential sources of disturbances include:- The data traffic.- Coupling with other networks (e.g., Internet).In these cases, implement suitable measures to counteract against such disturbancesusing Ethernet switches, firewall and similar.11.2.6 Redundant safeethernet ConnectionsConnections between HIMax systems via safeethernet can be designed redundantly.• If two connections are identical, e.g., through both terminals of the processor module orcommunication module, they can be operated redundantly.• If two connections are not identical, e.g., if one terminal is used on the processormodule and one terminal on the communication module, one can be defined as thedefault connection and the other as a backup connection.Data traffic will only pass through the backup connection if the standard connection isinterrupted.When configuring the time parameters "ReceiveTMO", "ResendTMO" and "AckTMO", takethe slowest connection into account!The transfer rate must be considered as specified in the current manuals of the processorand communication modules in use.HI 801 003 D Rev.2.0 Page 63 of 70
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11 Configuring Communication <strong>HIMax</strong>Figure 5: Reaction Time with Remote I/OsTR = t 1 + t 2 + t 3 + t 4 + (input path)+ t 5 + t 6 + t 7 (output path)T R Worst Case Reaction Timet 1 <strong>Safety</strong> Time of tRmote I/O 1t 2 0 ms, if Production Rate = 0 (normal case),otherwise ReceiveTMO + Watchdog Time of Remote I/O 1t 3 ReceiveTMO 1t 4 2 ** Watchdog Time of <strong>HIMax</strong> PESt 5 ReceiveTMO 2t 6 0 ms, if "Production Rate“ = 0 (normal case),otherwise "ReceiveTMO2“ + Watchdog Time of PESt 7 <strong>Safety</strong> time of Remote I/O 2Note: Remote I/O 1 and Remote I/O 2 can also be identical. The time values still apply if aHIMatrix PES is used instead of a remote I/O.11.2.4 Calculating the Worst Case Reaction Time with two <strong>HIMax</strong> Controllers andone HIMatrix PESThe worst case reaction time TR is the time between a change on the sensor input signal(in) of the first <strong>HIMax</strong> PES and a reaction in the corresponding output (out) of the second<strong>HIMax</strong> PES. It is calculated as follows:Figure 6: Reaction Time with Two <strong>HIMax</strong> Controllers and One HIMatrix PEST R = t 1 + t 2 + t 3 + t 4 + (input path)+ t 5 + t 6 + t 7 (output path)T RWorst Case Reaction Timet 1 <strong>Safety</strong> Time of <strong>HIMax</strong> PES 1t 2 0 ms, if Production Rate = 0 (normal case),otherwise ReceiveTMO 1 + Watchdog Time of <strong>HIMax</strong> PES 1t 3 ReceiveTMO 1t 4 2 ** Watchdog Time of HIMatrix PES 2t 5 ReceiveTMO 2t 6 0 ms, if "Production Rate“ = 0 (normal case),otherwise ReceiveTMO 2 + Watchdog Time of HIMatrix PES 2t 7 <strong>Safety</strong> Time of <strong>HIMax</strong> PES 3Remark: <strong>HIMax</strong> PES 1 and <strong>HIMax</strong> PES 3 can also be identical.TermsPage 62 of 70HI 801 003 D Rev.2.0
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