Setra-system SRPM Manuale Utente Scaricare il pdf (Pagina 12)

1. V Out: 0 to 5, 0 to 10 VDC

2. C Out: 4 to 20 mA

3. Common

●

Receiver

(V)

–

Voltage Output

3.3.5 BACnet

BACnet hardware is implemented as isolated RS485. Wire to Connector

J2, labeled RS-485. Connect tx line to +(A), rx to –(B) and ground wires

to S. Connect Shields together with wire nut.

Hardware conﬁ guration is done using a 5 position dip switch (S1) located

in the upper right hand section of the PCBA as well as through the touch

screen interface, see Section 4.4. and 4.9.

Position Function

MAC address enable

N/C Not Connected

Pull Up Resistor

Termination Resistor

Pull Down Resistor

Use a small ﬂ at blade screwdriver or pen to push the switch to the right

to turn that function on, otherwise it is off.

There is a BACnet setup screen that is enabled by pushing position 1

switch to the “on” position. After conﬁ guration the switch must be moved

to the “off” position.

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Setra-system SRPM Manuale Utente Pagina 12