ABB Tina 7A Original Instructions Manual

Contents

2TLC172139M0201, rev. B 8 www.abb.com/ jokabsafety2013-03-024 Installation and maintenanceInstallation precautionsFirst attach the unit on a 35 mm DIN rail. Then attach the safety-loop to the connection block (nr 6-9). Finally,attach the cables to the connection block (nr 1-5).Warning! All the safety functions must be tested before starting up the system.MaintenanceWarning!The safety functions and the mechanics shall be tested regularly, at least once every year to confirm that all thesafety functions are working properly (EN 62061:2005).In case of breakdown or damage to the product, contact the nearest ABB/Jokab Safety Service Office or reseller.Do not try to repair the product yourself since it may accidentally cause permanent damage to the product,impairing the safety of the device which in turn could lead to serious injury to personnel.Testing of the safety functionsMake sure the safety unit is working properly by following these steps:• Interrupt the dynamic safety circuit before this unit. The LED should flash between green and red.• Interrupt protection. The LED should light red.• The LED should light green when protection is OK and if the safety circuit(s) before this unit is notinterrupted.TroubleshootingLED indication Expected causes of faults Checking and measures to takeLights redSensor open Check status of the sensorBad connection between loops Check terminals at the unit24 VDC input to pin-2 (no dynamic signal) Check if there is 24 VDC to input (pin-2). IfYes, check cable or unit before and fix it.No lights Loss of power supply Check 24 VDC / 0 VDC power supplyLights green (but no dynamic outputdetected)Defected dynamic signal input to unit(asymmetric pulses) Check the dynamic input or the unit beforeWeak lights or red and green lights at thesame time The unit is defect The unit needs to be replaced. ContactABB/Jokab Safety.Warning! Replace defected unit with a new one and never bypass the safety circuit using Tina 1A or any othersolution.