TEXA TX-i40 Manual De Instrucciones página 26

ENG
Part Meaning
7 Dry contact digital input IN6
8 Analogue inputs power supply 4-20 mA (12 VDC, max. 120 mA)
9 Reference (GND) for analogue inputs, digital inputs and analogue outputs
10 Analogue output AO2 (0-10 V/ PWM)
11 Reference (GND) for analogue inputs, digital inputs, analogue outputs and INTRABUS
powered port
12 Analogue input IN10 (DI/NTC)
13 Analogue input IN9 (DI/NTC)
14 Dry contact digital input IN8 (FAST)
15 Dry contact digital input IN7 (FAST)
16 Reference (GND) for analogue inputs, digital inputs and analogue outputs
17 Ratiometric analogue inputs power supply (5 VDC, max. 40 mA)
18 Open collector digital output OC1 (12 V, max. 40 mA)
The following table illustrates the meaning of CONNECTOR 4:
Part Meaning
1 RS-485 MODBUS port: reference (GND) [G]
2 RS-485 MODBUS port: - [B-]
3 RS-485 MODBUS port: + [A+]
The following table illustrates the meaning of CONNECTOR 5:
Part Meaning
1 Reference (GND) for display power and INTRABUS powered port [G]
2 INTRABUS powered port signal [IB]
3 Display power supply [VS]
26
Function
Low pressure switch
High pressure switch
Condensing fan
stepping pressure switch
(outdoor versions)
Sequencing communication
protocol reception
Sequencing communication
protocol reference
Sequencing communication
protocol transmission
Function
Modbus protocol slave,
configurable, for supervision
and device programming use
Function
IB master communication
protocol for communicating
with display