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16.4 Delta

Overview

Delta protocol is used to communicate with Delta inverters over serial communication.

Configuration

Delta parameters for Device tab
Parameter

Type

Description

Required

Default value

(when not specified)

Range

Min

Max

name string User-friendly device name Yes


description string Description of the device No


device_alias string Device alias to be used in configuration Yes


enable boolean Enabling/disabling of a device No 1 0 1
protocol string Selection of protocol Yes
Delta
baudrate integer Communication speed, bauds/s No 9600 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
databits integer Data bit count for communication No 8 6 9
stopbits integer Stop bit count for communication No 1 1 2
parity string Communication parity option
(”none”/”even”/”odd”)
No none

flowcontrol string Communication device flow control option. (Default: (case-sensitive): ”none”) No none

scan_rate_ms integer If provided and positive ­ all reads and writes will be executed within the timeframe in miliseconds. No 10000

poll_delay_ms integer Minimum time delay in miliseconds to wait before sending any data on port. No 200

timeout_ms integer Timeout in milliseconds No
0 60000
id integer Inverter ID Yes 0

device string Communication port Yes
PORT1 PORT2
Delta parameters for Signals tab
Parameter

Type

Description

Required

Default value

(when not specified)

Range

Min

Max

signal_name

string

User-­friendly signal name

Yes



device_alias

string

Device alias from a Devices tab

Yes



signal_alias

string

Unique alphanumeric name of the signal to be used

Yes



enable

boolean

Enabling/disabling of an individual signal

No 1

0

1

log

integer

Enable logging in event log

No 0



number_type string Type of a number (FLOAT, DOUBLE, DIGITAL, etc.) Yes


job_todo

string

Tag job as single or multiple comma separated OBIS codes

Yes



tag_job_todo string Tag sub job Yes


pulse_short_time_ms integer Time interval for short output pulse to stay
active
No


pulse_long_time_ms integer Time interval for long output pulse to stay active No