New! - Norman Equipment Co.

Safety light barriersNoteWiring diagram• For protection in Control Category 2 toEN 954-1• Monitoring two pairs of light barrier devicesand the power contactor using theSLB 200-C safety monitoring module• Test push button IThe test push button is connected to X13and X14 in order to carry out a check ofthe light barrier monitoring function. Theterminals X15 and X16 must be bridged.• The wiring diagram is shown for thede-energised condition.• Contactor checkTo monitor an external contactor, the feedbackcircuit is connected to X17 and X18.The terminals X19 and X20 must be bridged.• Start push button HThe start push button can be used to startthe monitoring of the light barriers for a newstart or after an interruption. The terminalsX3 and X4 must be bridged.• It is also possible to connect only onepair of light barrier devices.+24 VDC0VA1A2BNWHSLB-R SLB-E SLB-R SLB-E1 1 2 2BNBKBNWHBNBKX1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 13K3K4max.X13 X14 X15 X16 X17 X18 X19 X20 X21 X22 Y1 X23 14K1NL1SLB 200-C3MNoteIn order to set for the desired mode ofoperation and number of light barriersconnected, remove the front cover of thesafety monitoring module. As supplied allswitches are in Position 1.NoteThe required functions can be selected by means of the internal DIP switches.DIP switch 1 DIP switch 2 DIP switch 3Position 1 With contactor check With start/restart interlock Connection of twolight barriersPosition 2 Without contactor check Without start/restart interlock Connection of onelight barrier305