Omron G9SP-N20S Operation Manuals page 56

G9SP-series Controllers
Test Mode
Dual Channel Evaluation
Single/Dual Setting
Discrepancy Time
Relationship between Input Tags
30
When the Diagnosis parameter is set to Diagnosis, the following setting is
required to output a test pulse that is suitable for the external device.
Setting
Mechanical con- The test pulse is connected to a device with mechanical contacts.
tacts The Safety Input terminal's Test Output signal (pulse output) is
input through the mechanical contact device.
The following can be detected: Contact of the input signal line with
the positive side of the power supply line, ground faults, and short-
circuits to the other input signal lines.
Single Beam An OMRON E3ZS/E3FS Single Beam Safety Sensor is connected.
Safety Sensor A test signal for Single Beam Safety Sensor diagnosis is output.
Non-contact An OMRON D40A or D40Z Non-contact Switch is connected. Test
Switch signals for the D40A or D40Z will be output.
Safety Mat An OMRON UM Safety Mat is connected. Test signals for diagnos-
ing the Safety Mat will be output.
Input safety terminals can be used as dual channels (one pair) for the G9SP-
series Controller. This function evaluates the data for two inputs to check for
discrepancy. The following parameters are also used.
• Single/Dual Setting
• Discrepancy Time
Setting
Single Channel The Safety Input terminals are used as independent Safety Input
terminals.
Dual Channel The Safety Input terminals are used as a dual channel equivalent
Equivalent pair.
Dual Channel The Safety Input terminals are used as a dual channel comple-
Complementary mentary pair.
Safety Mat The Safety Input terminals are used as Safety Mat Safety Input
pair.
For two inputs set in a Dual Channel Mode, the time is monitored from a
change in the value of one input to a change in the value of the other input. An
error occurs if the value of the other input does not change within the set dis-
crepancy time.
The discrepancy time can be set in increments of 10 ms between 0 (disabled)
and 65,530 ms.
The discrepancy time cannot be set in Single Channel Mode.
The data that is input to Safety Input terminals is evaluated as shown in the
following table. The results of this evaluation are reflected in the input tags
that are used in the program.
Single/dual Input signal from
Safety Input
terminal
Single Channel 0
1
Function
Description
Value after
evaluation
Si (n) Si (n+1)
0
1
Section 2-1
Meaning of status
Inactive (OFF)
Active (ON)