Kmc-controls FlexStat Operation Guide User Manual download pdf (Page 28)

FlexStat 28 Operation Guide, Rev. R

MS/TP Network Communication

Connect the EIA-485 MS/TP network wiring and set

the EOL switches accordingly. (See the Installation

Guide for wiring and end-of-line switch informa-

tion.)

From the FlexStat menus, adjust the device instance

number, the MAC address, and baud rate from the

defaults as necessary. Set the Max Master to the

minimum necessary for the network. See (Advanced)

BACnet Device Properties on page 17 and (Advanced)

Communications (BACnet) on page 14.)

NOTE: The current FlexStat MAC address and

device instance numbers can be viewed in

the About menu. Each BACnet device on a

network must have a unique MAC address

and device instance.

Network Connection

IP/Ethernet Network Communication

Plug in an Ethernet cable into the (optional) RJ-45

jack on the back.

For IP and IPForeignDevice communications,

consult with the system administrator for the

appropriate seings for the IP Address, Subnet

Mask, Gateway, and UDP Port.

Ethernet communications are essentially plug-and-

play, and the MAC address is not changeable.

Onlyoneprotocolcanbeenabledatanytime.See

(Advanced) Communications (BACnet) on page 14.

   

KMD-5624

Cable

KMD-5576

NOTE: For IP/Ethernet-enabled models, a FlexStat

in one of the Ethernet or IP modes must

(temporarily) be set for MS/TP mode (and

restarted) to communicate through the

data port at the boom of the cover. See

(Advanced) Communications (BACnet) on

page 14 and Reseing the FlexStat on page 26.

IN9

IN8

GND

IN7

–A

IN4

IN3

GND

IN2

Common/–/C

Phase/ /R

Analog 9

GND 7–9

Analog 8

Analog 7

Relay 6

SC 4–6

Relay 5

Relay 4

Relay 3

SC 1–3

Relay 2

Relay 1

Outputs

(Wiring Cutout in Backplate)

MS/TP

Network

Inputs

24 VAC

(Wiring is

dependent on

application)

Inputs

IP/Ethernet

Network

(Optional)

NOTE: IN1 and IN5–6 are

reserved for internal sensors

NOTE: SC = Switched

(relay) Common

PC Data Port Connection

The FlexStat is equipped with a PC data port located

at the boom of the thermostat housing. This port

provides a temporary EIA-485 (formerly RS-485)

connection to the digital network for network setup

or troubleshooting.

To connect a computer to the port, a means of

converting the EIA-485 signal to a USB or EIA-232

(formerly RS-232) signal will be needed. For USB,

use a KMC KMD-5576 USB Communicator. For

EIA-232, use a third-party interface. (See the instruc-

tions included with those devices and software.) To

connect to the PC data port:

1. Connect the keyed, at end of the KMD-5624

interface cable (included with the KMD-5576) to

the port on the boom of the FlexStat.

2. Connect the modular plug of the cable to the

interface device that converts the EIA-485 signal

from the FlexStat into a USB or EIA-232 signal.

3. Connect the suitable cable from the interface

device to the computer’s serial or USB port.

Install any required software and congure the

port as necessary.

NOTE: Toavoidfaultycommunicationwiththe

KMD-5576USBCommunicator,theMax

Masternumbermayneedtobereduced

totheminimumrequiredforthenetwork

andthedriverandlatencyseingson

thecomputermayneedtobecheckedor

updated.SeeTroubleshooting on page 30.

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Kmc-controls FlexStat Operation Guide User Manual Page 28

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