ASDA A2-E Chapter 1 Coe Drive Overview 1.5.7 STO with Safety Relay STO 1.5.8 STO Disable STO 1-14 Revision April, 2015 1 ESTOP 24V DC 2 3 Safety Relay 4 5 6 7 8 COM+ STO A _ / STO A _ STO B _ / STO B _ FDBK A _ FDBK B _ COM- 1 2 3 4 5 COM+ STO A _ / STO A _ STO B _ / STO B _ FDBK A _ FDBK B _ COM- 6 7 8