Salcom 12-32-0000 Manuel utilisateur
Copyright © 2017 Sea Air and Land Communications Ltd. All rights reserved.
12-32-0000
32 ort Input
Expansion Module
RODUCT MANUAL
Version 1.00
April 2017
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Salcom Product Documentation
This document is designed to familiarise you with Salcom products and guide you through the
hardware, configuration, installation and overall system management.
Salcom is an environmentally conscious company and in an effort to conserve paper no longer
prints manuals with shipped products. All relevant documentation can be downloaded in DF
form from our website www.salcom.com
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Warranty and Disclaimer
Salcom products are warranted for a period of 12 months from the date of purchase against
faulty materials and workmanship. Should any fault occur the unit should be returned to the
vendor, freight pre-paid. lease include a description of the fault to assist with prompt return.
Any unauthorised alterations or repairs will invalidate the warranty.
All information provided in this document is carefully prepared and offered in good faith as a
guide in the installation, use and servicing of Salcom products. Installers must ensure that the
final installation operates satisfactorily within the relevant regulatory requirements. Salcom
accept no responsibility for incorrect installation. We reserve the right to change products,
specifications and installation data at any time without notice
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Product Overview
The 12-32-0000 is a 32 input expansion module that may be used either autonomously with a
serial to ethernet converter or with any transmitter that supports Salcom protocol. Input
modules may be daisy chained together to provide as many inputs as required.
A simple LCD provides indication of current inputs states and system messages. LEDs provide
indication of system health, upstream and downstream serial port activity. When a message is
generated by an input module the content of the message will display (up to the first 16
characters) on the LCD momentarily.
The 12-32 supports multiple message queuing, and will queue at least 50 messages. re-defined
input messages are limited to a maximum length of 40 characters which may be configured
using Salcom programming software.
The input module may be configured to tag each message with a source description (e.g [01]
or [Shed 1]).
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Installation and Connections
The power supply is connected via 1, green power connector to +13.8 Volts and Ground. The
supply input is protected against reversed connection.
S1 (Upstream)
Connections
S2 (Downstream)
Connections
Pin Description Pin Description
1 Ground 1 Ground
2 Not Used 2 Not Used
3 Not Used 3 Not Used
4 Not Used 4 Not Used
5 RS232 Tx 5 RS232 Rx
6 RS232 Rx 6 RS232 Tx
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Indicators
There are 6 indicators on the top panel consisting of:
Purpose La el Description
System Error ERROR The RED error LED will indicate when there is a system error. A
flashing RED LED indicates the unit cannot communicate with
the transmitter or an adjacent input module, or if the
message buffer is full
Upstream
Receive Data
RX DATA This GREEN LED flashes to indicate serial data is being
received from an upstream device
Upstream
Transmit Data
TX DATA This RED LED flashes to indicate serial data is being
transmitted to an upstream device
ower
Indicator
SYSTEM The GREEN power LED, which normally flashes ON once per
second to indicate healthy micro-controller operation. After
a de-bounce period, the green LED will flash rapidly if the low
supply detector is activated
Downstream
Receive Data
RX DATA This GREEN LED flashes to indicate serial data is being
received from a downstream device
Downstream
Transmit Data
TX DATA This RED LED flashes to indicate serial data is being
transmitted to a downstream device
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Operation
Each input module will send it’s input message when triggered, to the downstream unit
(connected to the left hand side RJ12 socket). This may be either a transmitter, or another input
module. A module connected downstream will acknowledge receipt of a Salcom protocol
message, so reliable delivery to the transmitter can be ensured.
The input module may be configured to operate without acknowledging, so that input
modules may be connected to a C or unit that does not support Salcom protocol (but this is
not advised, since messages may be lost).
When configured to wait for acknowledgment the input module will attempt to resend the last
message again with a frequency as set by the user (up to every 10 seconds – default 1
second).
When a message cannot be acknowledged (probably due to a break in a serial cable link
somewhere downstream) the input module may eventually fill its message queue, and stop
acknowledging messages from upstream modules. If the input module is in an error or busy
state preventing the offloading of messages, the module “breaking” the chain can easily be
identified by inspecting the serial traffic and error LEDs.
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Sending an Input Module Message
There are three ways of initiating a message sent from the input module:
•Using the external discrete inputs
•Supply detector threshold (Low supply message)
•Watchdog
External Discrete Inputs
An action can be initiated from the 32 external inputs with an input transition to LOW
(connection to GND) and/or HIGH (input floating or connection to >+3.5v).
Low supply message
After a debounce period, the low-supply detector can initiate an action for both “supply going
high” and “supply going low” conditions.
Watchdog
The watchdog feature will initiate an action after a predetermined period. The watchdog also
optionally allows the transmission of the current state of selected inputs (including supply level).
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Connecting Multiple Input Expansion Modules
System Configuration using multiple Input Modules
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12-32-0000 32 ORT IN UT EX ANSION MODULE roduct Manual
Sea Air and land Communications Ltd, 10 Vanadium lace, Addington, Christchurch 8024, New Zealand April 2017
Error Codes
Error Code Description
ER2 NOACK The downstream device failed to acknowledge the last sent message
ER6 BUSY 12-32 is too busy to process the received message – memory is full
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