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2 CompoWay/F Communications Procedures

E5C-T Digital Controllers Programmable Type Communications Manual (H186)

2-2 Structure of Command Text

2-2-4 Addresses

The variable type is converted to 2-byte ASCII and loaded to the frame. The following table shows the

available variable types.

Note: Setup area 1 has no read-only parameters, so there is no variable type “C2.”

The following table summarizes setup areas 0 and 1.

The type code depends on the parameter. Refer to 3-1 Variable Area (Setting Range) List for details.

An address is appended to each of the variable types. Express addresses in 2-byte hexadecimal and

append them for the specified access size. The address depends on the parameter. Refer to 3-1 Vari-

able Area (Setting Range) List for details.

The number of elements is expressed in 2-byte hexadecimal. The range that can be specified for the

number of elements depends on the command. Refer to 2-3 Detailed Description of the Services for

details.

Note: No commands will be accepted and no responses will be returned when a memory error (RAM error) has

occurred or the Controller is initializing (until the Controller recognizes the process value after the power is

turned ON).

Variable type Description

C0/80 R/O (read only) parameter for setup area 0.

C1/81 R/W parameter for setup area 0.

C3/83 R/W parameter for setup area 1.

C4/84 R/W parameters for setup area 0 (program setting level, currently selected number).

C5/85 R/W parameter for setup area 0.

DA/9A R/W parameters for setup area 0 (program setting level, all).

Area Description

Setup area 0 This area groups together the protect, manual control, operation, program setting,

adjustment, and PID setting levels.

Setting area 1 This area groups together the initial setting, communications setting, advanced

function setting, and calibration levels.

2-2-4 Addresses

2-2-5 Number of Elements

2-2-6 List of Services (Main Request Codes and Sub-Request Codes)

MRC SRC Name of service Processing

01 01 Read Variable Area This service reads from the variable area.

01 02 Write Variable Area This service writes to the variable area.

01 04 Composite Read from Variable Area This service reads from the variable area in the

order specified by the parameters.

01 13 Composite Write to Variable Area This service writes to the variable area in the order

specified by the parameters.

05 03 Read Controller Attributes This service reads the model number and

communications buffer size.

06 01 Read Controller Status This service reads the operating status.

08 01 Echoback Test This service performs an echoback test.

30 05 Operation Command This service performs operations such as

RUN/RESET, executing/stopping AT (auto-tuning),

and moving to setup area 1.

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 185 186

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Unication E5 Spécifications Page 31

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