Crestron RS-232/42 Manual de usuario

Crestron CEN-COM Ethernet RS-232/422 COM Module

Contents

Ethernet RS-232/422 COM Module: CEN-COM 1

Description.................................................................................................................................1

Functional Description ................................................................................................1

Physical Description....................................................................................................2

Leading Specifications...............................................................................................................6

Setup ..........................................................................................................................................6

Hardware Hookup ....................................................................................................... 6

Setup Menus................................................................................................................7

Stand-Alone Operations: Crestron e-control™ .........................................................12

SIMPL™ WindowsProgramming .......................................................................................13

How the Program Works...........................................................................................13

How to Create the Program ....................................................................................... 15

Problem Solving ......................................................................................................................18

Troubleshooting......................................................................................................... 18

Further Inquiries ........................................................................................................ 18

Return and Warranty Policies ..................................................................................................19

Merchandise Returns / Repair Service ...................................................................... 19

CRESTRON Limited Warranty.................................................................................19

Glossary of Terms 20

Operations Guide - DOC. 5719 Contents •i

Crestron CEN-COM Ethernet RS-232/422 COM Module

Ethernet RS-232/422 COM

Module: CEN-COM

Description

Functional Description

The CEN-COM is an Ethernet device with two independent bidirectional serial ports

that can support either asynchronous RS-232 or RS-422-based communication. The

unit enables a system to overcome the distance limitations of RS-232/RS-422

communication. All signals are monitored/controlled via 10BASE-T Ethernet using

standard Internet protocols.

Both ports of the CEN-COM may be used to control a wide variety of RS-232 or

asynchronous RS-422 controlled equipment. A variety of communications

parameters are supported. Valid parameters are as follows.

• Baud rates may be one of the following possible rates: 300, 1200,

1800, 2400, 3600, 4800, 6100, 7200, 9600, 14400, 19200, 28800,

38400, 57600, and 115200.

• Parity may be even, odd, none, or zero stick (parity bit always 0). When

specifying the parity use E, O, N, or Z, respectively.

• Data bits may be 7 or 8.

• Stop bits may be 1 or 2.

• Both XON/XOFF handshaking and RTS/CTS handshaking are

supported. XON/XOFF handshaking may be supported by specifying

XON (for both transmit and receive), XONR (for receive only), or

XONT (for transmit only). XON/XOFF and RTS/CTS handshaking are

mutually exclusive in the CEN-COM. If both are enabled, RTS/CTS is

used. If CTS handshaking is enabled, the CTS line is monitored by the

CEN-COM. The CTS line can also be enabled as a digital input to the

control system; the RTS line can be enabled as a digital output.

• Specify RS422 for standard if RS-422 compatible levels must be

supported.

• Break of any length can be generated.

Operations Guide - DOC. 5719 Ethernet RS-232/422 COM Module: CEN-COM •1

Ethernet RS-232/422 COM Module Crestron CEN-COM

• Provides character pacing in units of milliseconds for all of the data

specified. The range of the pacing is from 1 to 31 milliseconds. Pacing

greater than 31 milliseconds defaults to the maximum (31 ms).

• Supports RS-485. However, a specific protocol for defining the

mechanism as to when a device is permitted to transmit on the RS-485

bus must be followed. To use this feature, use RS-422 communications

settings. Set hardware handshaking to none. The RTS output can now

be used to enable the transmitter. Notice that the receiver is always

active. Therefore, transmissions are also received.

Physical Description

The CEN-COM is housed in a black enclosure with silk-screened labels on the front

and rear panels. On the front of the unit there are 13 LEDs for indicating the unit’s

current status. All connections, except for the Ethernet connection, are made on the

back of the unit. Refer to the physical views shown below. There are four rubber feet

on the base of the unit for stability and to prevent slippage.

CEN-COM Physical Views

2 •Ethernet RS-232/422 COM Module: CEN-COM Operations Guide - DOC. 5719

Crestron CEN-COM Ethernet RS-232/422 COM Module

CEN-COM Ports

A number of ports are provided on the back of the CEN-COM. Each has a silk-

screened label. Refer to illustration and descriptions below. The Ethernet port is

located on the front panel.

CEN-COM Ports

12 VDC .5 A

This DC power socket connector is used to supply power via an external AC power

pack. Crestron recommends specific power packs for its devices. The recommended

power pack for the CEN-COM is Crestron part number PW-1205 (PWI-1210 for

international use of the CENI-COM). If an external power pack other than this

Crestron model is obtained, verify that it meets the required specifications and

polarity as shown after this paragraph.

AC Power Pack Specifications

CRESTRON POWER PACK INPUT SPECS OUTPUT SPECS

PW-1205 120V~60Hz 12VDC .5 A

PWI-1210 230V~50Hz 12VDC 1A

AC Power Pack Polarity

This 6-pin, 6-position RJ11 modular jack is used to load the IP address and run

diagnostics. Use Crestron’s RJ11 Cable Assembly (Part Number CA15717-2, not

supplied) to make the connection to the PC. Refer to the pinout table after this

paragraph.

PC Port (RJ11) Pinouts

PIN DESCRIPTION

1CTS

2GND

3RXD

4TXD

5RTS

6 No Connect

Operations Guide - DOC. 5719 Ethernet RS-232/422 COM Module: CEN-COM •3

Ethernet RS-232/422 COM Module Crestron CEN-COM

COM A / B

These two 9-pin connectors (DB9) connect to serial equipment. These bidirectional

serial ports are used for RS-232, RS-422, or RS-485 communication.

NOTE: The pinout of each 9-pin port is non-standard (refer to table after this note);

it contains RS-422 pins in addition to RS-232. This may result in a conflict with

some equipment and therefore do not use all nine pins. Only the required pins for

each communication type should be connected.

NOTE: To support RS-485, tie pin 1 (RXD-) to pin 9 (TXD-) and pin 4 (TXD+) to

pin 6 (RXD+) in the cable, as shown below.

CEN-COM Pinout (COM A / B)

PIN DIRECTION DESCRIPTION

1* To CEN-COM (RXD-) RS-422 Receive Data (Idles low)

2 To CEN-COM (RXD) RS-232 Receive Data

3 From CEN-COM (TXD) RS-232 Transmit Data

4 From CEN-COM (TXD+) RS-422 Transmit Data (Idles high)

5RS-232 and RS-422 Signal Common

6 To CEN-COM (RXD+) RS-422 Receive Data (Idles high)

7 From CEN-COM (RTS) RS-232 Request to Send

8 To CEN-COM (CTS) RS-232 Clear to Send

9 From CEN-COM (TXD-) RS-422 Transmit Data (Idles low)

* RS-422/RS-485 are balanced signals requiring two lines plus a ground in each direction. RXD+ and

TXD+ should idle high (going low at start of data transmission). RXD- and TXD- should idle low(going

high at start of data transmission). If necessary, RXD+/RXD- and TXD+/TXD- may be swapped to

maintain correct signal levels.

Ethernet (on front panel)

This unmarked RJ45 modular connector provides Ethernet connection, thereby

making the unit IP addressable and compatible with 10BASE-T Ethernet systems.

The Ethernet port is the standard 10BASE-T pinout. Refer to the pinout table after

this paragraph.

4 •Ethernet RS-232/422 COM Module: CEN-COM Operations Guide - DOC. 5719

Crestron CEN-COM Ethernet RS-232/422 COM Module

Ethernet Port (RJ45) Pinouts

PIN DESCRIPTION

1TD+

2TD-

3 RD+

4 No Connect

5 No Connect

6 RD-

7 No Connect

8 No Connect

CEN-COM Indicators

There are 13 LED indicators located on the front panel of the CEN-COM. Refer to

illustration and descriptions below.

CEN-COM Indicators

PWR (Power)

This LED illuminates when power is supplied to the CEN-COM.

RXD (Ethernet)

This LED illuminates when the unmarked Ethernet port on the front panel of the

CEN-COM receives Ethernet data.

TXD (Ethernet)

This LED illuminates when the unmarked Ethernet port on the front panel of the

CEN-COM transmits Ethernet data.

LNK (Ethernet)

This LED illuminates when there are attachments to the unmarked Ethernet port on

the front panel.

ERR (Ethernet)

This LED illuminates when an Ethernet protocol error is detected.

RXD (COM A / B)

These LEDs flash when the CEN-COM receives data from the serial device attached

to the respective COM ports.

TXD (COM A / B)

These LEDs flash when the CEN-COM transmits data to the serial device attached to

the respective COM ports.

Operations Guide - DOC. 5719 Ethernet RS-232/422 COM Module: CEN-COM •5

Ethernet RS-232/422 COM Module Crestron CEN-COM

RTS (COM A / B)

If RTS/CTS handshaking is enabled, these LEDs illuminate when the CEN-COM is

ready to receive data from a serial device attached to the respective COM ports.

CTS (COM A / B)

These LEDs illuminate when the serial device on the respective COM port is ready

to accept data from the CEN-COM. This “Clear to Send” signal is available only if

RTS/CTS handshaking is enabled; signal is controlled by external serial device. If

CTS signal is not connected (in cable), the signal is held high and the LEDs are

extinguished.

Leading Specifications

The table below provides a summary of leading specifications for the CEN-COM

module. Dimensions and weight are rounded to the nearest thousandth unit.

Leading Specifications of the CEN-COM

SPECIFICATION DETAILS

Power Requirements 12 or 24 VDC, Load Factor of 2.5 Watts

SIMPL™ Windows® Version 1.30.01 or later1with the addition of

smwlib45.exe and smwlib45.txt

CNX Upgrade File Version 5.04.11 or later2

Crestron Database Version 11.7.210 or later1

CEN-COM Upgrade File Version 1.23 or later1

Dimensions & Weight Height: 1.70 in (4.32 cm)

Width: 6.94 in (17.63 cm)

Depth: 6.32 in (16.06 cm)

Weight: 1.90 lb (0.86 kg)

1 The latest software versions can be obtained from the Software Downloads page (SIMPLWIN,

CRESDB, and UPGRADES Libraries) of Crestron’s website (www.crestron.com). New users are

required to register in order to obtain access to the FTP site.

2 Filenames for CNX upgrades have a .upz extension and can be obtained from the Software Downloads

page (OPSYS Library) of the Crestron website.

As of the date of manufacture, the unit has been tested and found to comply with

specifications for CE marking.

NOTE: This device complies with part 15 of the FCC rules. Operation is subject to

the following two conditions: (1) these devices may not cause harmful interference,

and (2) these devices must accept any interference received, including interference

that may cause undesired operation.

Setup

Hardware Hookup

Refer to the hookup diagram after this paragraph. Other than making the power

connection last, complete the connections in any order. The only connection not

6 •Ethernet RS-232/422 COM Module: CEN-COM Operations Guide - DOC. 5719

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