Raypak Hot Water Energy Management Control manual Connecting A Computer

Models: Hot Water Energy Management Control

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Section 3. CONNECTING A COMPUTER

Section 3. CONNECTING A COMPUTER

This section explains how to connect your personal computer to the RayTemp. Once connected, you can view all of the front panel screens covered in the previous section. You can also retrieve the recorded data and view color graphs of temperature and demand profiles. "PTT" is the option- al software tool for your personal computers that works with RayTemp controls. It simulates the front panel and retrieves logged data. PTT software and interface cables are available directly from Raypak. The computer must be able to accept a serial (RS-232) cable.

BUILDING OR BUYING INTERFACE CABLES

The following cables are available from Raypak:

Description

Part #

 

 

PTT Software

PTT

Communication for Windows PC to 70 series control

 

 

 

Direct Connect Communication Cable

5-424

Connects a 70 series control to a PC

 

 

 

Modem Communication Cable

5-423

Connects a 70 series control to a modem

 

 

 

Wiring pin assignments are provided below for building your own cables.

CAUTION! Never plug a telephone line into the RJ-11 connector! The control may be damaged.

RayTemp to PC/Modem Pin Assignments

 

RJ-11 Wire color codes:

RJ-11 Pin

 

 

DB-9 Pin

 

 

(RayTemp)

 

 

(PC/Modem)

 

 

White = 1

 

 

 

 

 

 

 

 

 

 

 

Black = 2

Ground

 

6

5

Ground

 

Red = 3

 

 

 

 

 

 

Program

 

2

4

Program

 

Green = 4

 

 

 

 

 

 

 

 

Receive

 

5

3

Transmit

 

Yellow = 5

 

 

 

 

 

 

 

 

 

Blue = 6

Transmit

 

4

2

Receive

 

 

 

 

 

 

 

 

RayTemp to Modem Pin Assignments

 

RJ-11 Wire color codes:

RJ-11 Pin

 

 

DB-25 Pin

 

 

White = 1

(RayTemp)

 

 

(Modem)

 

 

Black = 2

 

 

 

 

 

 

Ground

 

6

7

Ground

 

Red = 3

 

 

 

 

 

 

 

 

 

Green = 4

Receive

 

5

3

Transmit

 

Yellow = 5

 

 

 

 

 

 

Transmit

 

4

2

Receive

 

Blue = 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Raypak Hot Water Energy Management Control manual Connecting A Computer, Building Or Buying Interface Cables