Chapter 4: Operation SmartController EX Belt Encoder Connector Typical input circuit, same for A, B, and I for both encoders. 2.2K 26LS33 5 V Encoder Channel 1 A + Encoder 2.2K A – B + B – + – I + I – Enc. Pwr Encoder power output: 5 V at 800 mA max. (1 A current limit) Enc. Gnd Encoder Channel 2 Shield Encoder + – A – A + B + B – I + I – Figure 4-7. Belt Encoder Typical Input Circuit SmartController EX User’s Guide, 11069-000 Rev. F Page 49 of 92 220