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espa_4.4.4_en

ESPA4.4.4

The ESPA driver can broadcast and receive messages. Usually messages are initiated by binary data points or represented by binary data points.

The ESPA driver is named: espa
The routing address of the first ESPA driver is 810
The data point file for the first ESPA driver is called: espa1.txt
The configuration file for global settings of the first ESPA driver is named: espa1.cfg

For the ESPA driver as well as all other gateway drivers the data point definitions are as follows:

Type Description
M Integer value (binary data points, counters) which can/shall only be read by the gateway
S Integer value which can be either read or written by the gateway. (to M-BUS writing is not possible)
X Floating point value (with decimal place) which can/shall only be read by the gateway
Y Floating point value (with decimal place) which can be either read or written by the gateway. (to M-BUS writing is not possible)
A String, is used e.g. with BACnet Trends and ESPA4.4.4 data points

Mainly type A is used.

Addresses are defined as follows:

„<PagingStationAddress>.<PagerAddress>.[<Message No.>]“

communication state: „failure“

The number „5565“ on paging station „2“ will be defined as follows: File espaX.txt :

[A 2.5565]

Below please find typical data point definitions:

[M failure]
 name = communication state ESPA driver
 query = pe
[A 2.5565]
 name = station 2 number 5565
 query = pe

Messages to the numbers are provided to the driver via the dispatch.txt file. Typical dispatch-entries for ESPA messages are:

[Address of the  source data point]
 target = 810 espa 2.5565
 threshold = 1
 value = Message light ringer AL 1st floor

If ESPA messages shall be received and mapped to binary data points then the point must be defined as follows:

[S 1.123.1]
 query = pe
 name = Alarm IN 3701 Alarm Fire Control Center
 format = Alarm 300/0 3701
[S 1.123.2]
 query = pe
 name = Alarm OUT 3701 Alarm Fire Control Center
 format = End Alarm 300/0 3701

The format must match the transmitted message text.

Messages received can be transferred to binary data points in the dispatch.txt file.

[810 espa 1.123.1]
 target = address of target point
 threshold = 1
 value = 0
[810 espa 1.123.2]
 target = address of target point
 threshold = 1
 value = 1
 

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espa_4.4.4_en.txt · Zuletzt geändert: 20.12.2021 16:57 von oni

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