HIMax Safety Manual - Tuv-fs.com
HIMax Safety Manual - Tuv-fs.com HIMax Safety Manual - Tuv-fs.com
8 Output Modules HIMaxIn this state, the outputs are checked every few seconds to determine wether the overloadis still present. In a normal state, the outputs are switched back on.NOTICESystem malfunction possible!The voltage induced during switching off inductive loads could cause faults in thecontroller or in other electronical systems close to the actor's input leads.Therefore, it is a good practice to connect inductive loads with a suitable freewheelingcircuit at the actuator, to counteract these disturbances.8.6 Safety-Related Relay OutputsRelay output cards are connected to the actuator under any of the following circumstances:• Electric isolation is required.• Higher amperages are used.• Alternating currents are to be connected.The module outputs are equipped with two safety relays with forcibly guided contacts. Theoutputs can thus be used for safety shutdowns in accordace with SIL 3.Furthermore, the watchdog signal of the module provides a second means of safetyshutdown: If the watchdog signal is lost, the module immediately adopts the safe state.8.6.1 Use of Digital Relay OutputPerform the following steps to write a value in the user program to a digital relayoutput:1. Define a global variable of type BOOL.2. When defining the global variable, enter the initial value as safe value.3 Assign the global variable to the channel value of the output.The global variable provides the safe value to the digital output.To get additional options for diagnosing the external wiring and programming fault reactionsin the user program, assign global variable to Channel OK and to further diagnosticstatuses. For more information on the individual diagnostic statuses such as line shortcircuitsand line breaks, refer to the manual of the corresponding module.8.6.2 Test Routines for Relay OutputsThe module is tested automatically during operation.The main test functions are:• Reading the output signals back from the switching amplifiers located before the relays• Testing the switching of the relays with forcibly guided contacts• Checking the integrated redundant safety shutdown.8.6.3 Reaction in the Event of a FaultIf a faulty signal is detected, the affected module output is set to the safe, de-energizedstate using the safety switches. If a module fault occurs, all module outputs are switchedoff. Both types of faults are also indicated by the Error LED.Page 42 of 70HI 801 003 D Rev.2.0
HIMax8 Output ModulesNOTICESystem malfunction possible!The voltage induced during switching off inductive loads could cause faults in thecontroller or in other electronical systems close to the actor's input leads.Therefore, it is a good practice to connect inductive loads with a suitable freewheelingcircuit at the actuator to counteract these disturbances.HI 801 003 D Rev.2.0 Page 43 of 70
- Page 1: SAFETYHIMax ®Safety Manual
- Page 4 and 5: Table of contentsHIMax3.5 Certifica
- Page 6 and 7: Table of contentsHIMax10.2.9 Accept
- Page 8: 1 Safety Manual HIMax1.5 GlossaryTe
- Page 12 and 13: 2 Intended Use HIMaxStandardEC/EN 6
- Page 14 and 15: 2 Intended Use HIMax2.3.4 Power Sup
- Page 16 and 17: 3 Safety Concept for Using the PES
- Page 18 and 19: 3 Safety Concept for Using the PES
- Page 20 and 21: 3 Safety Concept for Using the PES
- Page 22 and 23: 3 Safety Concept for Using the PES
- Page 24 and 25: 4 Processor Modules HIMaxNOTESystem
- Page 26 and 27: 5 System Bus Module HIMaxWARNINGPhy
- Page 28 and 29: 6 Communication Module HIMax6 Commu
- Page 30 and 31: 7 Input Modules HIMaxNOTICESystem m
- Page 32 and 33: 7 Input Modules HIMax7.6 Checklists
- Page 34 and 35: 7 Input Modules HIMax7.6.3 Checklis
- Page 36 and 37: 7 Input Modules HIMax7.7 Safety-Rel
- Page 38 and 39: 7 Input Modules HIMax7.8 Checklist
- Page 40 and 41: 8 Output Modules HIMax8 Output Modu
- Page 44 and 45: 8 Output Modules HIMax8.7 Checklist
- Page 46 and 47: 9 Software HIMax9 SoftwareThe softw
- Page 48 and 49: 9 Software HIMax9.4 Resource Parame
- Page 50 and 51: 9 Software HIMaxExample: A key swit
- Page 52 and 53: 9 Software HIMaxThe user only need
- Page 54 and 55: 10 User program HIMaxSensors (digit
- Page 56 and 57: 10 User program HIMax10.2.5 Downloa
- Page 58 and 59: 10 User program HIMax10.2.10 Checkl
- Page 60 and 61: 11 Configuring Communication HIMaxN
- Page 62 and 63: 11 Configuring Communication HIMaxF
- Page 64 and 65: 11 Configuring Communication HIMaxP
- Page 66 and 67: AppendixHIMaxIndex of FiguresFigure
- Page 68: AppendixHIMaxIndexanalog inputsuse
<strong>HIMax</strong>8 Output ModulesNOTICESystem malfunction possible!The voltage induced during switching off inductive loads could cause faults in thecontroller or in other electronical systems close to the actor's input leads.Therefore, it is a good practice to connect inductive loads with a suitable freewheelingcircuit at the actuator to counteract these disturbances.HI 801 003 D Rev.2.0 Page 43 of 70