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AVEVA Enterprise SCADA

Modem table details

  • Last UpdatedApr 24, 2025
  • 2 minute read

The records in the modem table are used to represent modems that dial to obtain a connection to one or more remotes. The modem table contains the following internal fields:

Internal Field Name

Data Type

Description

accessFlag

displayname

This flag is used by easy eXtended Operator Station (ezXOS) to determine whether a table is being modified through the Advanced Database Editor (ADE). If the flag is set, access to the table is denied.

act_cno

connslot

Current active connection in control.

act_pid

long

Omnicomm process identification.

act_sigcfg

sigslot

Active modem signal configuration.

check

modemCMD

Array of commands to check connection.

cnttime_bad

internalttime

Time of last connection failure.

cnttime_good

internaltime

Time of last connection success.

comm_msg

comm_msgQ

Pending modem action queue.

comm_pause

unsigned short

Pause before modem command sequence (msec).

commproc

commprocslot

Omnicomm process in control.

connect

modemCMD

Array of commands to make connection.

connect.modemSET[0-9].delay

unsigned short

The maximum time, in milliseconds, to wait for an expected response.

connect.modemSET[0-9].fmt

format_ind

The desired format.

connect.modemSET[0-9].inOK

string48

The expected response from the modem.

connect.modemSET[0-9].out

string48

The string to send to the modem.

mdmFailStats.consecutive

unsigned int

Consecutive failure count.

cryout

oas_boolean_t

Is this a cryout/dial in modem?

dataset

string

This field displays the dataset associated with the modem record.

description

description

Modem description.

mdmPaths.modemSPEC[0-1].device

filename

Modem host name.

dft_sigcfg

sigslot

Default modem signal configuration.

disconnect

modemCMD

Array of commands to disconnect.

disconnect.modemSET[0-9].delay

unsigned short

The maximum time, in milliseconds, to wait for an expected response.

disconnect.modemSET[0-9].fmt

format_ind

The desired format.

disconnect.modemSET[0-9].inOK

string48

The expected response from the modem.

disconnect.modemSET[0-9].out

string48

The string to send to the modem.

escape_char

modemESC

Modem escape character.

flag

flags

For information on the flag structure, see Flag structure details.

group

groupslot

Modem group.

lastRollupTime

internaltime

Time of the last rollup.

max_bad_cnt

unsigned char

Maximum number of consecutive bad connections.

mbank

bankslot

Modem bank/process that has control assigned to it.

mdmFailStats

failCntStats

Statistics of modem failures.

modembaudmap

filename

The modem baud map.

modem_message

modemMSG

Most recent message from the modem.

modemtype

modem_type

The type of modem.

mstatus

modemstatus

Current modem status.

name

pntname

Modem name.

pad_resp

char

Number of extra characters to expect in responses.

mdmPaths.modemSPEC[0-1].port

unsigned int

Modem port number.

ptnum

unsiged char

This field represents the slot number in the database.

rsrv_time

internaltime

Time of connection reservation.

test_pid

long

Process ID of the modem test program.

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