Johnson Controls PENN ACT2 Service manual

Refrigeration Systems Technical Manual 804

Communications Section

Issue Date 0699

Code No. LIT-804250 www.johnsoncontrols.com

TECHNICAL BULLETIN

Setting Up External Communications

Setting Up External Communications ................................................3

Introduction......................................................................................................... 3

Key Concepts...................................................................................................... 4

Installation Options..........................................................................................................4

Alarm Dial-Out Options....................................................................................................4

Connecting a Single ACT2 Controller Directly to a Computer..........5

Introduction......................................................................................................... 5

Key Concepts...................................................................................................... 6

Definitions .......................................................................................................................6

ACT2 Controller Requirements........................................................................................6

Computer Requirements .................................................................................................6

Hardware Requirements..................................................................................................7

Procedure Overview........................................................................................... 8

Detailed Procedures........................................................................................... 9

Performing a Typical Installation without a ProLink Converter .........................................9

Performing an Alternate Installation with a ProLink Converter .......................................10

Connecting Multiple ACT2 Controllers Directly to a Computer ......15

Introduction....................................................................................................... 15

Key Concepts.................................................................................................... 16

Definitions .....................................................................................................................16

ACT2 Controller Requirements......................................................................................16

Computer Requirements ...............................................................................................16

Hardware Requirements................................................................................................16

Communications

Procedure Overview......................................................................................... 17

Detailed Procedures......................................................................................... 18

Connecting a Computer to Multiple ACT2 Controllers....................................................18

Connecting to Single or Multiple ACT2 Controllers via Modem .....23

Introduction....................................................................................................... 23

Key Concepts.................................................................................................... 24

Definitions .....................................................................................................................24

ACT2 Controller Requirements......................................................................................24

Computer Requirements ...............................................................................................24

Hardware Requirements................................................................................................24

Procedure Overview......................................................................................... 25

Detailed Procedures......................................................................................... 26

Connecting a Computer and Single or Multiple ACT2 Controllers via Modem................26

Resetting a Modem to Factory Defaults.........................................................................30

Alarm Dial-Out Options......................................................................31

Introduction....................................................................................................... 31

Key Concepts.................................................................................................... 32

Definitions .....................................................................................................................32

ACT2 Controller Requirements......................................................................................33

Hardware Requirements................................................................................................33

Procedure Overview......................................................................................... 34

Detailed Procedures......................................................................................... 36

Connecting a Remote Printer to Single or Multiple ACT2 Controllers for Alarm Dial-Out ...36

Connecting an Audible or Visible Alarm to an ACT2 Controller......................................40

Connecting a Modem for an ACT2 Controller to Dial-Out Alarms to a Pager or other

Receiving Device...........................................................................................................40

Troubleshooting.................................................................................41

Problem ............................................................................................................. 41

Possible Causes and Solutions ...................................................................... 41

Setting Up External Communications 3

Setting Up External

Communications

Introduction

This document covers the hardware needed to set up the remote

configuration, monitoring, and alarm dial out capabilities of the ACT2

controller.

For remote configuration and monitoring of the ACT2 controller

installation, as well as for computer monitoring of alarms, additional

Maestro software setup may be needed. See the Programming the

ACT2 Controller Using the Maestro Software Interface Technical

Bulletin for more information.

Communications

Key Concepts

Installation Options

ACT2 controllers can be set up and the installation can be remotely

monitored by setting up communication between the controller and a

computer running Maestro software. ACT2 controller communication

can be configured several ways:

•A single ACT2 controller can communicate directly with a

computer (Version 2.01 and later).

•A single ACT2 controller can communicate directly with a

computer via a ProLink converter.

•An ACT2 controller network (multiple ACT2 controllers) can

communicate directly with a computer via a ProLink converter.

•An ACT2 controller or network can communicate with a computer

via a modem connection.

In addition, the ACT2 controller can be set up to dial out to various

monitoring devices when an alarm condition is detected.

Alarm Dial-Out Options

The ACT2 controller can be configured to dial-out to the following:

•computer with Maestro software

•printer

•answering service

•audible alarm or strobe light

•pager

Setting Up External Communications 5

Connecting a Single ACT2

Controller Directly to a Computer

Introduction

Connecting an ACT2 controller to a computer that has the Maestro

software installed allows remote programming and monitoring of an

ACT2 controller installation.

A computer can be directly connected to a single ACT2 controller in

two ways:

•ACT2 controllers that are Version 2.01 or later have an external

serial port that will directly connect to the serial port on a PC.

•ACT2 controllers can also be connected to a computer using a

ProLink RS-232 to RS-485 converter connected to the ACT2

controller’s communication terminals.

This section describes hardware installation for both connections.

Communications

Key Concepts

Definitions

Straight Through Cable: A straight through cable is used to carry the

signal from the ProLink converter to a modem or computer. It is

available at most computer supply outlets.

Null Modem Cable: A null modem cable (also known as a data

transfer cable) is needed for direct connection to the ACT2 controller

(without a ProLink converter). This type of cable is available at most

computer supply outlets.

ProLink RS-232 to RS-485 Converter: The ProLink converter is

available through Johnson Controls/Encore. It converts the ACT2

controller communication signal into a signal that the computer can

interpret. ACT2 controllers older than Version 2.01 must use this

converter. The ProLink converter is packaged complete with a power

supply and a 9-pin to 25-pin cable.

ACT2 Controller Requirements

The ACT2 controller must be set up for “modem” connection and a

communication ID must be assigned before communication with the

controller will be successful. For information on how to set the

communication ID and mode, see the Programming ACT2 System

Parameters Technical Bulletin.

Computer Requirements

To connect an ACT2 controller to a computer, the computer must meet

or exceed the following criteria:

•386 or better IBMcompatible PC

•Windows3.1, Windows 95, or Windows 98

•Maestro software installed

•One unused, 9-pin or 25-pin, serial port

Setting Up External Communications 7

Hardware Requirements

For direct connection between a PC and a single ACT2 controller

(without a ProLink converter), the following hardware is needed:

•Cable: Depending on the type of serial port on the computer,

female 9-pin to female 9-pin null modem cable, or

female 25-pin to female 9-pin null modem cable

For direct connection with a ProLink converter between your PC and a

single ACT2 controller, the following hardware is needed:

•ProLink RS-232 to RS-485 converter

•Cable: Depending on the type of serial port on the computer,

female 9-pin to male 25-pin straight through cable, or

female 25-pin to male 25-pin straight through cable

•22AWG shielded, twisted pair cable (Belden 9451 or equivalent)

Communications

Procedure Overview

Table 1: Connecting a Single ACT2 Controller to a

Computer

To Do This Follow These Steps:

Directly Connect a Computer

to an ACT2 Controller

1. Turn off the computer.

2. Depending on the computer’s serial port,

do one of the following:

a. Plug the female 9-pin connector into

the serial communication port on the

computer.

b. Plug the female 25-pin connector into

the serial communication port on the

computer.

3. Plug the 9-pin female connector into the

receptacle on the side of the ACT2

controller.

4. Turn the computer back on.

Connect a Computer to an

ACT2 Controller with a ProLink

Converter

1. Turn off the computer and disconnect

power from the ACT2 controller.

2. Depending on the computer’s serial port,

do one of the following:

a. Plug the female 9-pin connector into

the serial communication port on the

computer.

b. Plug the female 25-pin connector into

the serial communication port on the

computer.

3. Plug the 25-pin male connector into the

ProLink converter port.

4. Unscrew the four screws on the cover of

the ProLink converter.

5. Set jumpers J3 and J4 on the inside of the

ProLink converter to the DTE position.

6. Re-attach the cover of the ProLink

converter using the screws that were

removed previously.

7. Connect the communications wire to the

ProLink converter: black wire to the “-”

terminal and white wire to the “+” terminal.

8. Open the front cover of the ACT2

controller.

9. Connect the RS-485 wire to the Remote

Communication Terminals inside of the

ACT2 controller; black wire to the “-”

terminal and white wire to the “+” terminal.

10. Plug in the power for the ProLink

converter.

11. Turn the computer back on and restore

power to the ACT2 controller.

Setting Up External Communications 9

Detailed Procedures

Performing a Typical Installation without a ProLink Converter

AlarmPower

Serial Null Modem Cable

9-Pin

Female

Connector

9-Pin

Female

Connector

or 25-Pin

Figure 1: Direct Connection Between the ACT2 Controller and a Computer

1. Turn off the computer.

2. Depending on the computer’s serial port, do one of the following:

a. 9-Pin Serial Port: Using the female 9-pin to female 9-pin null

modem cable, plug the female 9-pin connector into the male

9-pin serial communication port on the computer.

b. 25-pin Serial Port: Using the female 25-pin to female 9-pin

null modem cable, plug the female 25-pin connector into the

male 25-pin serial communication port on the computer.

3. Plug the 9-pin female connector into the receptacle on the side of

the ACT2 controller.

4. Turn the computer back on.

Communications

Performing an Alternate Installation with a ProLink Converter

AlarmPower

9-Pin

Female

Connector

or 25-Pin

25-Pin

Male

Connector

Straight Through Cable

(not Null Modem Cable)

22 AWG Shielded

Twisted Pair Cable

(Belden 9451 or equivalent)

P r o L i n k

ProLink

Converter

Figure 2: Alternate Method for Direct Connection Between the

ACT2 Controller and a Computer

1. Turn off the computer and disconnect power from the ACT2

controller.

2. Depending on the communication port on the computer that you

are using, do one of the following:

a. 9-Pin Serial Port: Using the female 9-pin to male 25-pin

straight through cable, plug the female 9-pin connector into the

male 9-pin serial communication port on the computer.

b. 25-Pin Serial Port: Using the female 25-pin to male 25-pin

straight through cable, plug the female 25-pin connector into

the male 25-pin serial communication port on the computer.

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