The control circuit terminals are in the positions shown in Figure 1, and Figure 2. Figure 1. Control Circuit Terminal Arrangement (Photocoupler Output/Screw Clamp Terminal Board Type) Terminal block (TB5) Terminal block (TB2-3) Terminal block (TB2-2) Terminal block (TB2-1) Terminal block (TB1) Terminal block (TB3) Terminal block (TB4) Figure 2. Control Circuit Terminal Arrangement (Relay Output/Screw Clamp Terminal Board Type) Terminal block (TB5) Terminal block (TB2-3) Terminal block (TB2-2) Terminal block (TB2-1) Terminal block (TB1) Terminal block (TB3) Terminal block (TB4) The tightening torque for the terminal screws is shown on the reverse side or the lower front side of the front cover. Figure 3. Tightening Torque Display Location (Reverse side of Front Cover) Figure 4. Tightening Torque Display Location (Lower Front Side of Front Cover)