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3-3 Explicit Messaging

3-24

- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (FD-MH) -

Communicating with the FD-MH series

*1 "Status details" (page 3-7)

*2 "Error information list" (page 3-8)

*3 The function of DL-DN1 only, which responds to explicit messaging synchro-

nously with I/O communication. This function does not guarantee synchronism

of the whole system, including PLC or master equipment.

Command Parameter List for FD-MH Series

The following tables provide command parameters for the FD-MH series. The two

types of parameters are: motion command parameters and setting/status command

parameters.

 Motion command parameters

For the communication methods using motion command parameters, see "Issuing

a Motion Command to a Sensor Amplifier" (page 3-19).

Attribute R: Read; C: Motion command

Current value

"under"

Not used with the FD-MH series.

RWORD0-

Current value

"over"

If instantaneous flow rates from

sensor amplifiers (ID 01 to ID 10) are

"over" (FFFF), they are output by

assigning them to bits 0 - 9.

RWORD0

0: Normal value

1: Over

Current Value

ID01

Reads the instantaneous flow rate

from ID 01. Same as the current value

(instantaneous flow rate) used in I/O

communication.

DINT

-2147483648 to

2147483647

Current Value

ID10

Reads the instantaneous flow rate

from ID 10. Same as the current value

(instantaneous flow rate) used in I/O

communication.

9F to B0 System reserved

Number of

sensor amplifier

units connected

Reads the number of connected

sensor amplifiers.

R UINT 0 1 to 10

B2 to B3 System reserved

Explicit message

response method

If synchronous response is used,

response occurs synchronously with

I/O communication.*3

R/W UINT 0

0: Immediate

response

1: Synchronous

response

B5 to B9 System reserved

Operating mode

switch status

Set status of operating mode setting

switch: switch 1 (LSB) to switch 4

(MSB)

RUINT0

0 to 15

0: OFF, 1: ON

InstID

(DEC)

AttrID

(HEX)

Name Description

Attribute

Data

type

Default

value

Parameter range

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 71 72

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