Chapter 1: Introduction The safety features include: l Emergency-stop switch (dual-channel circuit) l 3-position enable switch (dual-channel circuits) See the T20 pendant User’s Guide , shipped with each pendant, for complete information on the product. Figure 1-2. T20 Pendant 1.2 How Can I Get Help? For details on getting assistance with your software or hardware, you can access the following corporate website: l http://www.ia.omron.com SmartController EX User’s Guide, 11069-000 Rev. F Page 8 of 92