Contacts Description - Vega Absolute M-BUS-1 User Manual

CONTACTS DESCRIPTION

Converter has 10 contacts, see table below:
Contact Designation on the board
1 OUT_2
2 OUT_1
3 +VPWR
Ʇ
4
5 MBAS-
6 MBAS+
7 COUNT_2
Ʇ
8
9 COUNT_1
Ʇ
10
Ground contacts 8 and 10 are used for connection of security inputs COUNT_1 and
COUNT_2.
Security inputs of the M-BUS-1 device are used to connect circuits with the following
types of NO contacts:
reed switch;
mechanical pushbutton;
open-collector output.
While security input connected the device monitors its closure. Should the security input
triggering, the device is activated and sends an alarm message to the network.
For connecting an external metering device contacts M-BUS+ и M-BUS- are used.
12
Description
Open-drain output 2
Open-drain output 1
Power +
Power -
M-BUS -
M-BUS +
Security input 2
Ground
Security input 1
Ground
Revision 15 – 30 June 2021
M-BUS-1 / User Manual