CRT1-ROS16 Omron, CRT1-ROS16 Datasheet - Page 606
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CRT1-ROS16
Manufacturer Part Number
CRT1-ROS16
Description
16-point Relays Outputs
Manufacturer
Omron
Datasheet
1.CRT1-ATT03.pdf
(675 pages)
Specifications of CRT1-ROS16
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Troubleshooting
Cannot Participate in Network
12-2-2 Troubleshooting by Slave Unit Type
582
NS indicator remains
not lit and status does
not change.
NS indicator remains lit
green and status does
not change.
All Slave Units
Model
Problem
The MS and NS indicators do
not light green.
The Network Power Voltage
Drop Flag does not turn ON
even if the network power sup-
ply voltage drops.
The Network Power Voltage
Drop Status is ON even though
the network power supply volt-
age is appropriate.
Cannot set the network power
voltage monitor value.
Cannot set the name of a con-
nected device or Unit.
The status for Unit Mainte-
nance Date and Connected
Device Maintenance Date do
not turn ON.
When the Unit power was
turned ON again, the following
values did not change to the
ones immediately after the
power was turned OFF. Word
Slave Units: Unit Conduction
Time and Maintenance
Counter
• Check that all Slave Unit connectors are connected correctly.
• Check that the Master Unit is operating correctly. If using an OMRON Master Unit, check the
• If using a Master from another manufacturer, refer to the user's manual for that Master.
• Check that the communications cable is wired correctly.
• Check that the power supply cable and power supply are wired correctly and that the set-
• Check connector wiring to make sure that the communications cable and power supply
Check the following items and take corrective measures based on the Master Unit indicator
display.
• Check that the Master Unit is operating correctly. Refer to the manual for the Master Unit.
• Check that the Slave Unit is registered in the Master Unit registration table.
• Re-register the registration table.
• Check that the Slave Unit I/O area is not outside the area permitted by the Master Unit.
Master Unit mode and the Slave Unit node addresses.
tings are correct.
cables are not disconnected.
Change the node address if the I/O area is outside the permitted area.
Problem
Cause and possible corrections
Refer to 4-1-3 Communica-
tions Indicators.
The monitor value for the net-
work power supply voltage is
set too low.
Note The default setting is
The monitor value for the net-
work power supply voltage is
set too high.
The attempted setting is out-
side the setting range (14 to
26.4 V).
The name (comment) exceeds
32 characters.
The status flag will be OFF
regardless if the monitor value
is set to 0 (function not exe-
cuted).
The Maintenance Counter
value is stored in internal
EEPROM memory every 12
minutes while the power is ON.
Execute Save Maintenance
Counter to save the value. If
the power is turned OFF with-
out executing saving the main-
tenance counter, the value
saved previously (from up to
12 minutes earlier) will be
read.
14 V or less.
Cause
---
Increase the network power
voltage monitor value.
Decrease the network power
voltage monitor value.
Set the voltage within the 14 to
26.4-V range.
Set a name within 32 charac-
ters.
Set the monitor value to a
value other than 0.
Execute Save Maintenance
Counter in the Maintenance
Information Window of the CX-
Integrator before turning OFF
the power.
Possible correction
Section 12-2
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