ABUS A1500 User Manual
A1500
Universal
ABUS TECHNOLOGIES INC.
Process Indicator
User Manual
WARNING
This manual should be passed on to the end user.
The contents of this manual are subject to change without prior notice.
All rights reserved.
ABUS gives no warranty of any kind with regard to this manual, including, but not limited to, fitness
for a particular purpose.
If any question arises or errors are found, or if any information is missing from this manual, please
A1500
inform your supplier or inform at info@abustek.com
The specifications mentioned in this manual are limited to those for the standard type under the
specified model number break-down and do not necessarily apply for customized instruments.
Please note that changes in the specifications, construction, or component parts of the instrument
may not immediately be reflected in this manual at the time of change.
If the customer or any third party is harmed by the use of this product, ABUS assumes no
responsibility for any such harm owing to any defects in the product which were not predictable, or
for any indirect damages.
The integral modules specifically HART module are not manufactured by ABUS.
Although Warning hazards are related to personal injury, and Caution hazards are associated
with equipment or property damage, it must be understood that operation of damaged equipment could,
under certain operational conditions, result in degraded process system performance leading to
personal injury or death. Therefore, comply fully with all Warning and Caution notices.
Information in this manual is intended only to assist our customers in the efficient operation of
our equipment. Use of this manual for any other purpose is specifically prohibited and its contents are
not to be reproduced in full or part without prior approval of Technical Communications Department,
ABUS Technologies
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HEALTH AND SAFETY
To ensure that our products are safe and without risk to health, the following points must be
noted:
1. The relevant sections of these instructions must be read carefully before proceeding.
2. Warning labels on containers and packages must be observed.
3. Installation, operation, maintenance and servicing must only be carried out by suitably trained
personnel and in accordance with the information given. Any deviation from these instructions will
transfer the complete liability to the user.
4. Normal safety precautions must be taken to avoid the possibility of an accident occurring when
operating in conditions of high pressure and/or temperature.
5. Chemicals must be stored away from heat, protected from temperature extremes and powders kept
dry. Normal safe handling procedures must be used.
6. When disposing of chemicals ensure that no two chemicals are mixed.
Safety advice concerning the use of the equipment described in this manual or any relevant hazard data
sheets (where applicable) may be obtained from the Company address on the back cover, together with
servicing and spares information.
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A1500
CATALOGUE
Contents Page No.
1. Introduction 4
2. Presentation
Technical Parameters
3. Dimensions 5
4. Ordering Details 5
5. Connections 5
6. Installation
1. Recommendation
2. Panel
3. Alarm
7. Configuration
1. Programming the Indicator
2. Serial Communication
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8. Operation
Configuration Protection
1.
Special Functions
2.
9. Maintenance
1. Troubleshooting
2. Special Recommendation
3. Input Calibration
10. Safety Precautions 17
11. Warranty 17
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1. INTRODUCTION
A1500 is a universal process indicator which accepts a large variety of input
signals and sensors. A six-digit LED display shows measured value and all
programming parameters. Instrument configuration is achieved from the keyboard,
without any hardware change. Thus, the selection of input type and type of alarms
action, besides other special functions, are accessed and defined from the frontal
keyboard. The user should read this manual thoroughly before using the instrument. It
must be handled with care and should be used accordingly for best results.
2. PRESENTATION
Technical Parameters
Power: 85 to 265Vac/dc, 50/60 Hz (basic model);
A1500
24 Vdc/ac, optional;
Maximum consumption: VA
Relays: ALM1 and ALM2: SPDT - 3A / 250Vac (3A / 30Vdc);
ALM3 and ALM4: SPST – NA 3A / 250Vac (3A / 30Vdc) (optional);
All input signals are factory calibrated. Thermocouples are calibrated according to NBS standards
(NBR12771), RTD’s NBR 13773/97 (IEC-751), (
Internal resolution: 128000 levels,
Display resolution: 62000 levels (-31000 to 31000)
Sampling rate: 5 measurements per second for TC and RTD
measurements for 0-50mA, 4-20mA, 0-5V, 0-10V
Accuracy: Thermocouples J, K, T, N: ± 0.25% of full scale +1°C.
Thermocouples E, R, S, B: ± 0.25% of full scale +3°C.
Pt100: 0.2% of full scale
Current or voltage: 0.15% of full scale
Cold junction compensation error: ± 1 °C
Warm up time: 15 minutes
Input impedance: 0-50mV, Pt100 and T/C: >10M
0-5V, 0-10V > 1M
4-20mA: 15
Pt100 measure: 3-wire circuit, 750A excitation current.
=0.00385).
PV retransmission resolution: 4000 levels, 550max.
Working conditions: 0 to 55°C, 35 to 85% relative humidity.
Front panel: IP65, Polycarbonate UL94 V-2;
Back panel: IP30, ABS+PC UL94 V-0;
Weight: 240g basic version; 265g with options
Dimension: 48×96×92 mm
Panel cut out: 45×93mm
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HOLE
3. DIMENSIONS
A1500
PANEL
DIMENSION
CODE
A1500 96 48 90 44 100 92 45
PANEL
DIMENSION
W H W H D W H
CASE DIMENSION
CUTOUT
DIMENSION
4. ORDERING DETAILS
The standard unit includes 2 SPDT relays, 1 digital input and 24 Vdc (A1500) or 10
Vdc (A1500LC) supply output.
Option 1 : 2 SPST alarm relays (ALM3 and ALM4).
Option 2 : 4-20 mA / 0-20 mA analog output.
Option 3 : RS485 Modbus communication interface.
Option 4 : 24 Vac/Vdc power supply input.
5. CONNECTIONS
The internal electronics can be removed from the front panel without any cable
disassembly. The input signals and power connections are shown in Figure 2.
Figure 2 – Back Panel Terminals
Sensor or input signal connection
These connections should be well done and terminals must be well tightened.
Thermocouples must be installed with proper extension or compensation cables.
Pt100 RTDs must be 3-wire connected and the wires connected to terminals 17
and 18 should have the same electrical resistance (same wire gauge) for proper
cable distance compensation.
Four-wire RTDs can be connected by disconnecting the fourth wire. Two-wire
RTDs can be connected by shortening terminals 22 and 23 and connecting the
Pt100 to terminals 16 and 17.
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Figures below show how connections are made for each type of input.
Figure 3 – Thermocouple
Connection
Figure 5 – Voltage Connection Figure 6 – Current Connection
Figure 7 – Connection for 0-
10V
Figure 4 – 3 wire Pt100
Connection
Figure 8 – Digital Input
A1500
Figure 9 shows connections made to measure signals from a 4-20mA
transmitter supplied by the 24 V power supply, the indicator provides.
Figure 9 – Two-wire transmitter with internal power supply
5.1 Digital Input (Dig In)
The digital input can be used by connecting a switch (or equivalent) to its terminals, as shown in
Figure 8 above.
5.2 Analog output
The analog output of A1500 can be 0-20 mA or 4-20mA, which can be selected during
programming. This output is available at terminals 29 and 30.
6. INSTALLATION
The indicator must be attached to a panel. Remove the two plastic fixing clamps
from the instrument. Insert the unit into the panel cut-out and put back the fixing
clamps from the rear.
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