Honeywell HC900 - Fiber Optics Recommendations

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Function Blocks

MBS Modbus Slave Function Block

202 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11

2/07

Properties Function Parameter Index # Parameter Description Value or Selection

Function

Code

N/A

Several standard Modbus

RTU function codes are

supported. These

standard function codes

provide basic support for

IEEE 32-bit floating point

numbers and 16-bit

integer register

representation of

instrument’s process data

Preset Single Registers –

Function Code 06

Preset Multiple Registers

– Function Code 10 hex

The function code for

“Unsigned 16 or Signed 16,”

Preset Single Registers*

presets integer value into a

single register..

The function code for “Float,

Unsigned 32 or Signed 32,”

Preset Multiple Registers*

presets values into holding

registers.

*automatically selected when

you select “Register Data Type”

NOTE: Refer to the

Communications manual for the

function codes supported by the

specific device.

Other manuals for Honeywell HC900