ABB TZIDC Operating Instructions Manual

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Ex relevant specifications42/18-84-EN TZIDC, TZIDC-110, TZIDC-120 51Optionally the following modules are allowed to be used:In type of protection "Intrinsic Safety" (Ex ia IIC resp. Ex ib IIC)only for the connection to a certified intrinsically safe circuit withthe following maximum values:Plug-In module for digitalfeedback(Terminals +51 / -52 resp.+41 / -42)U i = 30 Vli = 320 mAPi = 500 mWeffective internal capacitance: C i = 3.7 nFThe effective internal inductance is negligibly small.Plug-In module for analoguefeedback(Terminals +31 / -32)U i = 30 Vli = 320 mAPi = 1.1 Weffective internal capacitance: C i = 6.6 nFThe effective internal inductance is negligibly small.Plug-In module forshutdown-function(Terminals +51 / -52 resp.+85 / -86)U i = 30 Vli = 320 mAPi = 1.1 Weffective internal capacitance: C i = 3.7 nFThe effective internal inductance is negligibly small.IMPORTANT (NOTE)• The intrinsically safe circuits are galvanically separated up to a voltage of 60 V. The localcommunication interface (LKS) is connected with the signal circuit.Electrical data for type TZIDC with marking Ex nA IIC T6Signal circuit(Terminals +11 / -12) U = 9.7 VDC; 4 ... 20 mA, max. 21.5 mASwitch input(Terminals +81 / -82) U = 12 ... 24 VDC; 4 mASwitch output(Terminals +83 / -84) U = 11 VDCOptionally the following modules are allowed to be used with type TZIDCPlug-In module for digitalfeedback(Terminals +51 / -52 resp.+41 / -42)U = 5 ... 11 VDCPlug-In module for analoguefeedback(Terminals +31 / -32)U = 10 ... 30 VDC; 4 ... 20 mA, max. 21.5 mAAdditionally the following modules are allowed to be used with all types markedEx nA IIC T6Plug-In module forshutdown-function(Terminals +51 / -52 resp.+85, -86)U = 20 ... 30 VDCMechanical digital feedback(Terminals Limit1 +51 / -52resp. Limit2 +41 / -42)U = 5 ... 11 VDC