M+Sf_Gmon_R - Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference

4.8

M+SF_GMON_R

Overview
Item Description
Function name Guard monitoring
Functional overview This FB monitors the relevant safety guard. There are two independent input parameters for two switches at the safety guard coupled
with a time difference (i_dMonitoringTime) for closing the guard.
Symbol
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Labels
■ Input labels
No. Variable name
(1) i_bActivate
(2) i_bS_GuardSwitch1
(3) i_bS_GuardSwitch2
(4) i_dDiscrepancyTime
(5) i_bS_StartReset
(6) i_bS_AutoReset
(7) i_bReset
■ Output labels
No. Variable name
(8) o_bReady
(9) o_bS_GuardMon
(10) o_bError
(11) o_wDiagCode
4 SAFETY FB SPECIFICATIONS
48
4.8 M+SF_GMON_R
M+SF_GMON_R
B :i_bActivate
B :i_bS_GuardSwitch1 o_bS_GuardMon: B
B :i_bS_GuardSwitch2
D :i_dDiscrepancyTime
B :i_bS_StartReset
B :i_bS_AutoReset
B :i_bReset
Data type Default value
Bit OFF
Bit* OFF
Bit* OFF
Double word 0
[signed]
Bit* OFF
Bit* OFF
Bit OFF
Data type Default value
Bit OFF
Bit* OFF
Bit OFF
Word [signed] 0
o_bReady: B (8)
(9)
o_bError: B (10)
o_wDiagCode: W (11)
Description
Activation of the safety FB.
For details, see the following.
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Guard switch1 input.
OFF: Guard is open.
ON: Guard is closed.
Guard switch2 input.
OFF: Guard is open.
ON: Guard is closed.
Configures the monitored discrepancy time between i_bS_GuardSwitch1 and
i_bS_GuardSwitch2 (in increments of 10ms) for closing the guard.
Range: Fixed values from 0 to 60000 (0 to 600000ms = 10min)
Selection of a reset method for the activated (first time) safety FB.
For details, see the following.
Page 11 General Functions
Selection of a reset method for the input signal reset to ON.
For details, see the following.
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Reset input.
For details, see the following.
Page 11 General Functions
Description
Status of whether the safety FB is activated or not.
For details, see the following.
Page 11 General Functions
Output indicating the status of the guard.
OFF: Guard is not active.
ON: Both i_bS_GuardSwitches are ON, no error and acknowledgment. Guard is
active.
Error flag.
For details, see the following.
Page 11 General Functions
Diagnostic code.
For details, see the following.
Page 11 General Functions