Controlling the safety functions5.3 Control of "STO" and "SS1" via terminals on the Control Unit and the Motor/Power ModuleSafety Integrated78 Function Manual, 07/2016, A5E03264275ATerminal strip –X132 on the CU320-2 Control UnitTable 5- 18 Terminal strip –X132 on the CU320-2 Control UnitTerminal Designation 1) Technical data1 DI 4 Voltage: -30 ... +30 VDCTypical power consumption: 9 mA at 24 VElectrical isolation: Reference potential is terminal M2Level (incl. ripple)High level: 15 … 30 VLow-level: -30 … +5 VInput delay (typ.):For "0" → "1": 50 μsFor "1" → "0": 150 μs2 DI 53 DI 64 DI 75 DI 206 DI 217 M2 Reference potential for terminals 1 ... 68 M Ground9 DI/DO 12 As input:Voltage: -30 ... +30 VDCTypical power consumption: 9 mA at 24 VLevel (incl. ripple)High level: 15 … 30 VLow-level: -30 … +5 VDI/DO 12, 13, 14, and 15 are "rapid inputs" 2)Input delay (typ.):For "0" → "1": 5 μsFor "1" → "0": 50 μsAs output:Voltage: 24 V DCMax. load current per output: 500 mAContinuous short-circuit proofOutput delay (typ./max.) 3) :For "0" → "1": 150 μs / 400 μsFor "1" → "0": 75 μs / 100 μsSwitching frequency:For resistive load: Max. 100 HzFor inductive load: Max. 0.5 HzFor lamp load: Max. 10 HzMaximum lamp load: 5 W10 DI/DO 1311 M12 DI/DO 1413 DI/DO 1514 MMax. connectable cross-section: 1.5 mm21) DI: Digital input; DI/DO: Bidirectional digital input/output; M: Electronics ground; M2: Reference ground2) The rapid inputs can be used as probe inputs or as inputs for the external zero mark3) Data for: Vcc = 24 V; Load 48 Ω; High ("1") = 90% Vout; Low ("0") = 10% Vout