Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 77 / 478

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2 Initial Settings and Allocations of Device Variable for CJ-series Unit
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
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Indicators
*1 Depending on the interval of flashing, the meaning is as follows:
Protocol data being initialized: 0.3 s
Protocol data initialized, or being overwritten: 1.0 s
Protocol data error: 1.0 s and CPU Unit ERC indicator is flashing
*2 System settings use the device variables for CJ-series Unit determined by the unit number setting. For details,
refer to 2-3-2 Device Variable for CJ-series Unit for System Settings.
*3 Only the CJ1W-SCU32/SCU42 are equipped with a TER1 indicator.
*4 Only the CJ1W-SCU32 is equipped with a TER2 indicator.
For actions required when an error occurs, refer to Section 9 Troubleshooting and Maintenance.
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Unit No. Switch [UNIT No.]
Set the CPU Bus Unit unit number for the Unit. Set the Unit number specific for each CPU Bus Unit
mounted in a CPU Rack or Expansion Rack. The Unit number must be the one registered in Unit
Configurations. Set the unit number between 0 and F.
The factory setting is for unit number 0. Turn OFF the Controller before changing the unit number set-
ting.
Indicator Color Status Meaning
RUN Green Lit Operating normally.
Not lit Unit hardware error.
RDY Green Lit Protocol macro preparations are complete.
Flashing Protocol macros are being prepared. (*1)
Not lit Hardware error in Serial Communications Unit.
ERH Red Lit CPU Unit error or this Unit was not registered in the Unit Configuration.
Routing tables incorrectly registered in the Unit.
Flashing System Setup Error. (*2).
Not lit CPU Unit is operating normally and the system settings are normal.
ERC Red Lit Unit Hardware Error.
Flashing Protocol data syntax error or protocol data error (SUM error).
Not lit Unit is operating normally.
SD1 Yellow Lit Communications port 1 is being used for sending.
Not lit Communications port 1 is not being used for sending.
RD1 Yellow Lit Communications port 1 is being used for receiving.
Not lit Communications port 1 is not being used for receiving.
TER1 (*3) Yellow Lit Terminating resistance is connected internally for communications port 1.
Not lit Terminating resistance is not connected internally for communications
port 1.
SD2 Yellow Lit Communications port 2 is being used for sending.
Not lit Communications port 2 is not being used for sending.
RD2 Yellow Lit Communications port 2 is being used for receiving.
Not lit Communications port 2 is not being used for receiving.
TER2 (*4) Yellow Lit Terminating resistance switch for Port 2 is ON.
Not lit Terminating resistance for Port 2 is OFF.