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Interfaces and signal lamps in the controller casing
Fig. 4: Interfaces and signal lamps on the PCB
No.
Name
Description
1
Valve connection
Connection point for expansion module EM-AUTOZERO
2
Analogue input 1 (AI1)
Connection point for the integral diaphragm pressure transducer, analogue voltage
0-10 VDC, 10 mA max.
3
Expansion slot 1 (ESP-
KOM)
Connection for expansion modules to connect the controller to higher-
level systems:
EM- LON: BUS communication LonWorks FT10
EM-BAC-MOD: BUS communication BACNet MS/TP or MODBUS
RTU
EM-IP: BUS communication BACnet IP or MODBUS IP as well as
web server
4
Power 24 V
LED on
24 V supply voltage OK
Product description
Control components for VAV terminal units TROX UNIVERSAL
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