Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 19

Typical timing diagram
■ For M+SF_2HAND2_R
i_bActivate
i_bS_Button1
i_bS_Button2
o_bReady
o_bS_TwoHand_Out
o_bError
o_wDiagCode
0000H C003H 8004H 8005H 8019H 8004H 8006H 8000H 8008H 8009H 8007H 8004H 8006H 8000H
Error behavior
In the event of an error, the output signals behave as listed below.
Output signal
o_bReady
o_bS_TwoHand_Out
o_bError
For the corrective actions, see the following.
Page 17 List of error codes
List of error codes
o_wDiagCode State name
(Hexadecimal)
C001H Error 1 B1
C002H Error 1 B2
C003H Error 1 B1&B2
List of status codes (no error)
o_wDiagCode State name
(Hexadecimal)
0000H Idle
8000H Buttons Actuated
8001H Init
8004H Buttons Released
Status
ON
OFF
ON
Description, output setting
i_bS_Button1 was ON on FB activation.
i_bS_Button2 was ON on FB activation.
The signals at i_bS_Button1 and i_bS_Button2 were ON on FB
activation.
Description, output setting
The FB is not active. (Initial state)
• o_bReady: OFF
• o_bS_TwoHand_Out: OFF
• o_bError: OFF
The both buttons actuated correctly. The safety output is enabled.
• o_bReady: ON
• o_bS_TwoHand_Out: ON
• o_bError: OFF
The FB is active, but in the Init state.
• o_bReady: ON
• o_bS_TwoHand_Out: OFF
• o_bError: OFF
No button is actuated.
• o_bReady: ON
• o_bS_TwoHand_Out: OFF
• o_bError: OFF
Action
Release i_bS_Button1 and i_bS_Button2.
Action
Initialize the FB by setting i_bActivate to
ON.
None.
Actuate i_bS_Button1 or i_bS_Button2.
Actuate i_bS_Button1 or i_bS_Button2.
4 SAFETY FB SPECIFICATIONS
4.1 M+SF_2HAND2_R
4
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