Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 107

List of error codes
o_wDiagCode State name
(Hexadecimal)
C001H Error 1
C002H Error 2
C003H Error 3
C005H Parameter Error
List of status codes (no error)
o_wDiagCode State name
(Hexadecimal)
0000H Idle
8001H Init
8000H Safety Output Enabled
8004H Wait for Channel B
8014H Wait for Channel A
8005H From Active Wait
WARNING
Please do the above actions when the FB detects an error or is in an unexpected state. However, when the situation is still not corrected, please check the
following.
• A failure in safety devices and emergency stop devices
• Wiring and status of a safety remote I/O module and a safety programmable controller
• Programming logic, the memory allocation of safety devices, and the connections of safety FB variables
Description, output setting
i_bS_ChannelA has been switched to ON. Switching
i_bS_ChannelB to ON has been waited for, but it has not been
switched within the setting value of i_dDiscrepancyTime.
i_bS_ChannelB has been switched to ON. Switching
i_bS_ChannelA to ON has been waited for, but it has not been
switched within the setting value of i_dDiscrepancyTime.
Both i_bS_ChannelA and i_bS_ChannelB are ON and then
either one of both has been switched to OFF.
Switching the other one to OFF has been waited for, but it has
not been switched within the setting value of i_dDiscrepancy
Time.
The i_dDiscrepancyTime value is out of the setting range.
Description, output setting
The FB is not active. (Initial state)
• o_bReady: OFF
• o_bS_EquivalentOut: OFF
• o_bError: OFF
The FB is active. Activation is ON.
• o_bReady: ON
• o_bS_EquivalentOut: OFF
• o_bError: OFF
The safety output is ON.
• o_bReady: ON
• o_bS_EquivalentOut: ON
• o_bError: OFF
i_bS_ChannelA is ON and i_bS_ChannelB is OFF. State
change of i_bS_ChannelB to ON is being waited for.
• o_bReady: ON
• o_bS_EquivalentOut: OFF
• o_bError: OFF
i_bS_ChannelA is OFF and i_bS_ChannelB is ON. State
change of i_bS_ChannelA to ON is being waited for.
• o_bReady: ON
• o_bS_EquivalentOut: OFF
• o_bError: OFF
Both i_bS_ChannelA and i_bS_ChannelB are ON and then
either one of both has been switched to OFF.
• o_bReady: ON
• o_bS_EquivalentOut: OFF
• o_bError: OFF
Action
Review the i_dDiscrepancyTime setting
value.
Set both i_bS_ChannelA and
i_bS_ChannelB to OFF.
Configure the i_dDiscrepancyTime value
within the setting range.
Action
Initialize the FB by setting i_bActivate to
ON.
Wait for i_bS_ChannelA and
i_bS_ChannelB to be set to ON.
None.
Set i_bS_ChannelB to ON.
Set i_bS_ChannelA to ON.
Set both i_bS_ChannelA and
i_bS_ChannelB to OFF.
4 SAFETY FB SPECIFICATIONS
4.15 M+SF_EQUI_R
4
105