INVERTER FR-A800/F800 Safety Stop Function Instruction Manual CONTENTS 1. GENERAL DESCRIPTION ..........3 2. INSTALLATION AND WIRING........5 3. EXAMPLE OF SAFETY SYSTEM CONFIGURATION ..9 4. TEST AND CHECKING FAILURE ....... 12 5. SAFETY PARAMETERS OF FR-A800/F800 ....13...
The information of this manual is merely a guide for proper installation. Mitsubishi Electric Corporation. cannot assume responsibility for the compliance or the noncompliance to any code, national, local, or otherwise for the proper installation of this equipment.
GENERAL DESCRIPTION Features The safety stop function of the Mitsubishi Electric FR-A800/F800 inverter can be used to prevent the inverter from supplying rotational energy to motors. Dual input terminals S1 and S2 can be used to cut off the gate-drive power to the IGBT.
Safety stop function with SIL 3 certification The Mitsubishi Electric FR-A800/F800 inverters now comply with safety integrity level 3 (SIL 3) of the IEC EC61508:2010 functional safety standard. • Target models Mitsubishi Electric FR-A800/F800 inverters • Change of the compliance The Mitsubishi Electric FR-A800/F800 inverters now comply with SIL 3.
A hazard of personal injury and/or equipment damage exists if codes are ignored during installation. Ensure the safety relay unit and the FR-A800/F800 inverter are mounted closely in an enclosure meeting IP54 and all interconnection wiring is short and protected against open and short circuit faults.
Caution In order to meet safety standards, a safety relay module compliant with ISO13849-1 safety category 3 or higher shall be used in conjunction with the FR-A800/F800 inverter (refer to page 11). In addition, all other components in the safety stop loop shall be ‘safety approved’ types.
Table 4 Truth table of safety related signals Output Internal Output Inverter Operation panel Input terminal signal Input safety ∗1 ∗2 terminal indication running power circuit ∗8 ∗9 status status So (SO) SAFE E.SAF ∗6 ∗7 Output shutoff ⎯ ⎯ ⎯...
●Wiring and ferrule terminal specifications Table 5 Wiring and Ferrule terminal specifications Ferrule terminal model Crimping tool name Cable gauge (mm ∗1 ∗1 AI 0,34-10TQ AI 0,5-10WH 0.75 AI 0,75-10GY CRIMPFOX 6 AI 1-10RD 1.25 / 1.5 AI1,5-10BK 0.75 (for two wires) AI TWIN 2 X 0,75-10GY ∗1 Ferrule terminals and the tool are distributed by Phoenix Contact Co., Ltd.
FR-A800/F800 ∗1 When the control logic is the sink logic, the common terminal is terminal SD. Figure 4 Safety system example of the FR-A800/F800 inverter NOTE • When starting up the system operation, press the RESET switch to reset the safety stop function first, then turn ON the START switch to run the motor.
IGBTs +24V Fuse FR-A800/F800 Figure 5 When using multiple safety stop function inverters (FR-A800/F800) NOTE • Some models cannot be used together because their control logics are different. Refer to the Safety Stop Function Manual of each model. EXAMPLE OF SAFETY SYSTEM CONFIGURATION...
WS0-CPU0 Safety I/O combined module WS0-XTIO Figure 6 Safety system example of the FR-A800/F800 inverter NOTE • When starting up the system operation, press the RESET switch to reset the safety stop function first. • In the above configuration, after resetting the emergency stop button, the inverter will be in the safe-state until the RESET switch is pressed.
Also, check the safety stop function at system installation, any software changes, and parameter setting changes. I/O status and inverter operation The FR-A800/F800 inverter’s safety related I/O status obeys the following truth table. Table 6 Truth table of safety related signals Output...
3) If the inverter operates as described in Table 6, check the system performance. Press the emergency switch, press the start/restart button while a failure is detected (So (SO) -SOC opened), and so on. 4) Finally clear the fault history of the FR-A800/F800 inverter (see the Instruction Manual for how to clear the fault history).
BCN-A23228-001-B(E) Compatibility with the FR-F800 series Addition ● SAFE signal (2. INSTALLATION AND WIRING, 4. TEST AND May 2016 BCN-A23228-001-C(E) CHECKING FAILURE) Modification ● 5. SAFETY PARAMETERS OF FR-A800/F800 Addition Apr. 2018 BCN-A23228-001-D(E) ● Safety Integrity Level (SIL) 3 BCN-A23228-001-D(E)
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