Troubleshooting Using Indicators

 

 

 

 

Section 9-1

 

 

 

 

 

 

 

 

 

Indicators

 

Probable cause

Probable remedy

 

 

 

 

 

 

 

 

RUN

ERC

ERH

INS

 

 

 

 

 

 

 

 

 

 

Lit

---

---

Not lit

Terminating resistance is

Turn ON the terminating

 

 

 

 

 

not set correctly. (Wired

resistance at the nodes at

 

 

 

 

 

Unit)

both ends of the Network

 

 

 

 

 

 

and turn it OFF at all other

 

 

 

 

 

 

nodes.

 

 

 

 

 

 

 

 

 

 

 

 

Cables are not connected

Check the cable connec-

 

 

 

 

 

correctly.

tions are reconnect cor-

 

 

 

 

 

 

rectly.

 

 

 

 

 

 

 

 

 

 

 

 

The node address is larger

Either reset the maximum

 

 

 

 

 

than the maximum node

node address using the

 

 

 

 

 

address set for the network

Controller Link Support

 

 

 

 

 

parameters.

Software or reset the node

 

 

 

 

 

 

address to below the maxi-

 

 

 

 

 

 

mum.

 

 

 

 

 

 

 

 

 

 

 

 

No other nodes exist.

Make sure that 2 or more

 

 

 

 

 

 

nodes exist within the Net-

 

 

 

 

 

 

work.

 

 

 

 

 

 

 

 

 

 

 

 

No nodes have been set as

Refer to 8-1-2 Setting the

 

 

 

 

 

polling nodes.

Polling and Polled Nodes

 

 

 

 

 

 

and set at least one polling

 

 

 

 

 

 

node. (Controller Link

 

 

 

 

 

 

Units should normally be

 

 

 

 

 

 

set as polling nodes.)

 

 

 

 

 

 

 

 

 

 

 

 

The set baud rate is differ-

Refer to Section SEC-

 

 

 

 

 

ent to other nodes (Wired

TION 4 Preparations for

 

 

 

 

 

Unit).

Communications and reset

 

 

 

 

 

 

the baud rate.

 

 

 

 

 

 

 

 

 

 

 

 

The Wired Network 62

When using node address

 

 

 

 

 

Node Enable Bit is ON in

33 or higher, turn ON the

 

 

 

 

 

some nodes and OFF in

Wired Network 62 Node

 

 

 

 

 

other nodes in the network.

Enable Bit in all the nodes,

 

 

 

 

 

 

then turn the power supply

 

 

 

 

 

 

OFF and ON again.

 

 

 

 

 

 

When using node address

 

 

 

 

 

 

33 or higher, configure the

 

 

 

 

 

 

network so that all nodes

 

 

 

 

 

 

are CS1W-CLK21-V1,

 

 

 

 

 

 

CJ1W-CLK21-V1, or

 

 

 

 

 

 

3G8F7-CLK21-V1. The

 

 

 

 

 

 

CS1W-CLK21, CJ1W-

 

 

 

 

 

 

CLK21, C200HW-CLK21,

 

 

 

 

 

 

CVM1-CLK21, or CQM1H-

 

 

 

 

 

 

CLK21 cannot be used.

 

 

 

 

 

 

 

278

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Image 301
Omron CS1W-RPT01, CVM1-CLK21, CJ1W-CLK21-V1, C200HW-CLK21, CQM1H-CLK21, CS1W-CLK21-V1 operation manual 278