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Omron CQM1H-SCB41 operation manual Board ReplacementSection

Models: CQM1H-SCB41

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Board ReplacementSection 9-2

9-2-2 Protocol Macros

Serial

Indicator

Status

I/O memory

Cause

Remedy

commu-

display

information,

 

 

 

nications

 

etc.

 

 

 

mode

 

 

 

 

 

Serial com-

---

---

Bits 12 to 15 (Serial

Serial communications

Set bits 12 to 15 of

munica-

 

 

Communications

mode is not set correctly.

DM 6555/DM 6550 to

tions mode

 

 

Mode) of

 

6 Hex. (protocol mac-

is not set to

 

 

DM 6555/DM 6550

 

ros).

protocol

 

 

are set to a value

 

 

macro.

 

 

other than 6 Hex.

 

 

 

 

 

 

 

 

Serial com-

The

The PMCR(––)

IR 20708 or

The program is incor-

Set IR 20708 or

munica-

COMMj

instruction was

IR 20712 (Protocol

rect.

IR 20712 (Protocol Mac-

tions mode

indicators

executed, but

Macro Executing

 

ro Executing Flag) as a

is set to

do not

IR 20708 or

Flag) is set as a NO

 

NC execution condition

protocol

flash at all.

IR 20712 (Pro-

execution condition

 

for PMCR(––).

macro.

(Commu-

tocol Macro Ex-

for PMCR(––).

 

 

 

nications

ecuting Flag)

 

 

 

 

The Error Flag

The problem cause is

Check the PMCR(––)

 

has not

did not turn ON.

 

(SR 25503) is ON.

one of the following:

instruction C, S, and D

 

been elec-

 

 

– The data range for the

operand settings for er-

 

trically es-

 

 

 

 

 

PMCR(––) instruction C

rors.

 

tablished.)

 

 

 

 

 

operand is incorrect.

 

 

 

 

 

 

 

 

 

 

– The number of data

 

 

 

 

 

words in the S or D op-

 

 

 

 

 

erand exceeds 129.

 

 

 

 

 

 

 

 

 

 

The error code in

The sequence number

Set bits 00 to 11 of the

 

 

 

IR 20408 to

specified in bits 00 to 11

PMCR(––) instruction C

 

 

 

IR 20411 or

of the PMCR(––) instruc-

operand to a value be-

 

 

 

IR 20412 to

tion C operand is a value

tween 000 and 999

 

 

 

IR 20415 is 2 Hex

other than 000 Hex to

BCD.

 

 

 

(Sequence Number

999 BCD.

Check whether the com-

 

 

 

Error).

 

 

 

 

The specified commu-

munications sequence

 

 

 

 

 

 

 

 

nications sequence

number is correct.

 

 

 

 

number does not exist in

 

 

 

 

 

the protocol data.

 

 

 

 

 

 

 

 

 

 

The error code in

The data range of the

Specify another area, or

 

 

 

IR 20408 to

specified area is exceed-

reduce the size of the

 

 

 

IR 20411 or

ed when data is being

data to be sent or re-

 

 

 

IR 20412 to

written to or read from

ceived.

 

 

 

IR 20415 is 3 Hex

the I/O memory of the

 

 

 

 

(Receive Data Write

CPU Unit.

 

 

 

 

Range Overflow Er-

 

 

 

 

 

ror)

 

 

125

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Omron CQM1H-SCB41 operation manual Board ReplacementSection
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