Santerno ASAC-0 Manuale utente

- 15W0078B100 -

REMOTE OPERATOR

INSTRUCTIONS

FOR ASAC-0/ASAC-1

Issued on 15/02/17

R. 02

•This manual is integrant and essential to the product. Carefully read the instructions contained herein as

they provide important hints for use and maintenance safety.

•This device is to be used only for the purposes it has been designed to. Other uses should be considered

improper and dangerous. The manufacturer is not responsible for possible damages caused by improper,

erroneous and irrational uses.

•Elettronica Santerno is responsible for the device in its original setting.

•Any changes to the structure or operating cycle of the device must be performed or authorized by the

Engineering Department of Elettronica Santerno.

•Elettronica Santerno assumes no responsibility for the consequences resulting by the use of non-original

spareparts.

•Elettronica Santerno reserves the right to make any technical changes to this manual and to the device

without prior notice. If printing errors or similar are detected, the corrections will be included in the new

releases of the manual.

•The information contained herein is the property of Elettronica Santerno and cannot be reproduced.

Elettronica Santerno enforces its rights on the drawings and catalogues according to the law.

Contents

1Important User Information......................................................................................................................... 2

2General Description.................................................................................................................................... 3

3Installation .................................................................................................................................................. 4

4Specifications ............................................................................................................................................. 7

5Operation.................................................................................................................................................... 8

64-20 mA Analog Output.............................................................................................................................. 9

7Troubleshooting........................................................................................................................................ 11

Elettronica Santerno S.p.A.

Via della Concia 7, 40023 Castel Guelfo (BO) Italy

Tel. +39 0542 489711 –Fax +39 0542 489722

www.santerno.com, [email protected]

1Important User Information

Observe all necessary safety precautions when controlling the soft starter remotely. Alert personnel that

machinery may start without warning.

It is the installer's responsibility to follow all instructions in this manual and to follow correct electrical practice.

Use all internationally recognised standard practice for RS-485 communications when installing and using this

equipment.

The information contained in this manual is subject to change at any time and without prior notice. In no event

will responsibility or liability be accepted for direct, indirect or consequential damages resulting from the use or

application of this equipment.

2/12 Remote Operator

2General Description

The Remote Operator allows remote operation of the soft starter, and offers the following functionality:

•Operational control (Start, Stop, Reset, Quick Stop)

•Starter status monitoring (Ready, Starting, Running, Stopping, Tripped)

•Performance monitoring (motor current, motor temperature)

•Trip code display

•4-20 mA analog output (motor current)

•Optional RS485 network connection 1

1The Remote Operator can act as a gateway device for connection to an RS485 serial communications

network, allowing remote control of a motor using Modbus RTU or standard AP ASCII communications protocol.

For further information on Modbus control of a soft starter, please refer to the Modbus Module Instructions.

NOTE

In order to use the Remote Operator with ASAC starters, a Remote Operator Module or Modbus

Module must also be installed.

Remote Operator 3/12

3Installation

This section describes how to install the Remote Operator for basic control and monitoring of a soft starter. The

Remote Operator is pre-configured to control a soft starter once control supply power is applied to both devices.

For basic operation, no parameter adjustments are required on the Remote Operator or the soft starter.

In order to use the Remote Operator's 4-20 mA analog output to monitor motor current, follow the instructions in

the section 4-20 mA Analog Output on page 9.

3.1 Mounting

The Remote Operator is rated IP54 or NEMA 12 1when mounted correctly in accordance with these

instructions. It is intended for use on the flat surface of a panel, with all external wiring connected from behind

the panel.

The Remote Operator is supplied with a mounting bracket and four fasteners. The built-in gasket seal

guarantees protection from outside the panel.

Select the panel location of the Remote Operator. The required panel cutout is 92 mm x 92 mm. Place the

Remote Operator through the cutout and locate the mounting bracket at the rear of the panel onto the four

studs. Use the four fasteners to tighten the mounting bracket up to the rear of the panel.

1For use on a flat surface of a NEMA 1 or NEMA 12 enclosure.

Fasteners (x4)

Mounting bracket

Universal panel cutout (92 mm x 92 mm)

Remote Operator

3.2 Electrical Connections

The Remote Operator requires a minimum of three electrical connections - the external power supply, the

chassis earth and the RS485 Starter port. All external wiring, except the chassis earth (M4 stud provided), is

connected to spring operated clamp connector terminals with a maximum wire size of 2.5 mm2. No special tools

are required.

3.2.1 Grounding and Shielding

Twisted pair data cable with earth shield is recommended. The cable shield should be connected to the GND

device terminal at both ends and one point of the site protective earth.

3.2.2 Termination Resistors

In long cable runs prone to excessive noise interference, termination resistors should be installed between the

data lines at both ends of the RS-485 cable. This resistance should match the cable impedance (typically

120 Ω). Do not use wire wound resistors.

3.2.3 RS-485 Data Cable Connection

Daisy chain connection is recommended. This is achieved by parallel connections of the data cable at the

actual device terminals.

4/12 Remote Operator

3.2.4 Remote Operator RS-485 Network Connection Specifications

Input impedance: 12 kΩ

Common mode voltage range: - 7 V to + 12 V

Input sensitivity: ± 200 mV

Minimum differential output voltage: 1.5 V (with max loading of 54 Ω)

3.3 Soft starter connections

The Remote Operator connects to ASAC soft starters via a Remote Operator Module or Modbus Module.

1. Remove control power and mains

supply from the soft starter.

2. Fully pull out the top and bottom

retaining clips on the module.

3. Line up the module with the comms

port slot.

4. Push in the top and bottom retaining

clips to secure the module to the

starter.

5. Apply control power to the soft starter.

6. Connect the Remote Operator to the

module.

7. Apply control voltage to the Remote

Operator.

08477.A

CAUTION

Remove mains and control voltage from the soft starter before attaching or removing accessories.

Failure to do so may damage the equipment.

3.3.1 Connection

+ GND -

- GND +

- GND ++ - ~/+ ~/-

ASAC

Remote Operator

Module – RS-485 serial port

B10, B11 - 4~20 mA analog output

B1, B2, B3 - RS-485 starter connection

B6, B7, B8 - RS-485 network connection

1, 2 - Supply voltage (18~30 VAC/VDC)

RS-485 Serial communication network

connection (Modbus RTU or AP ASCII)

ASAC: For the Remote Operator to accept fieldbus commands, a link must be fitted across terminals A1-02 on

the soft starter.

Remote Operator 5/12

3.3.2 Configuration

The DIP switches on the Modbus Module must be set as follows:

1 2 3 4 5 6

+16

11591.B

DIP Switch A

DIP Switch B

Protocol = AP ASCII

Address = 20

Baud Rate = 9600

Parity = No parity

Timeout = No timeout

The Remote Operator internal parameters must be set as follows:

Parameter 1 (RS485 network baud rate) = set to match Modbus master

Parameter 2 (RS485 network address) = unique number between 1 ~ 99

Parameter 3 (RS485 network timeout) = set as required

Parameter 4 (RS485 network protocol) = AP ASCII

6/12 Remote Operator

4Specifications

4.1 General Technical Data

Enclosure

Front Panel Height .................................................................................................................................. 120 mm

Front Panel Width .................................................................................................................................... 120 mm

Inside Panel Depth (when mounted) ............................................................................................... 30 mm (max)

Panel Cutout ........................................................................................................................................... 92 mm2

Weight ......................................................................................................................................................... 450 g

Power Supply

Voltage ................................................................................................................... 18 - 30 VDC/VAC (50/60 Hz)

Consumption ........................................................................................................... 100 mA (max - steady state)

Connection (Terminals 1, 2) ................................................................. 2 pole spring clamp connector terminals

RS485 Serial Network Port (Optional)

RS485 Network Interface .......................................................... AP ASCII or Modbus RTU protocol (selectable)

Connection (Terminals B6, B7, B8) ...................................................... 3 pole spring clamp connector terminals

RS485 Serial Starter Port (Soft Starter Connection)

RS485 Soft Starter Interface ............................................................................... AP ASCII protocol as standard

Connection (Terminals B1, B2, B3) ...................................................... 3 pole spring clamp connector terminals

Analog Output

Motor Current Monitoring Interface ....................................................................... 4-20 mA (max burden 200 Ω)

Connection (Terminals B10, B11) ........................................................ 2 pole spring clamp connector terminals

Sundry

Enclosure Rating ..................................................................... IP54 or NEMA 12 when correctly panel mounted

Pollution Degree ..................................................................................................................... Pollution Degree 3

Operating Temperature ................................................................................................................ - 5 oC / + 60 oC

Relative Humidity .............................................................................................. 5 to 95% (max non-condensing)

This product has been designed as Class A equipment. Use of this product in domestic environments may

cause radio interference, in which case the user may be required to employ additional mitigation methods.

Approvals

CE ................................................................................................................................................ EN 60947-4-2

UL / C-UL .................................................................................................................................................. UL 508

4.2 Dimensions

mm (inch)

120 (4.72) 37.5 (1.48)

7.0 (0.28)

AMPS

CODE

TEMP

START RUN TRIP RS485

START STOP

RESET

DATA

PROG

Remote Operator 7/12

5Operation

5.1 Operation

The Remote Operator performs all soft starter functions except programming of the soft starter. The Remote

Operator can only be used to program its own parameters.

03206.B

AMPS

CODE

TEMP

START RUN TRIPRS485

START STOP

RESET

DATA

PROG

Display: Indicates the value of the selected data.

Display mode indicator: Indicates the data type shown on

the display.

Status LEDs: Indicates the status of the starter and the

communication link.

Start (green): soft starter is starting, running or stopping

Run (green): soft starter is providing full voltage to the motor

Trip (red): soft starter has tripped

RS485 ON: the serial link between the Remote Operator

and the starter is healthy

RS485 FLASHING: communication between the Remote

Operator and the starter has been lost

Control buttons

Start: Starts the motor

Stop: Stops the motor 1

Reset: Resets the starter 1

Data/Prog: Selects the data type to be shown on the display

(motor current or motor temperature), or accesses

Programming Mode.

1Simultaneously pressing the STOP and RESET buttons initiates a quick stop, which immediately removes

voltage from the motor, ignoring any soft stop time set on the starter.

NOTE

Motor current and motor temperature information is only available from ASAC-1 starters. If connected

to a ASAC-0 open loop soft starter, the display will show 2222 instead of motor current and 1.11

instead of motor temperature.

5.2 Trip Codes

If the soft starter trips, the CODE and TRIP LEDs illuminate and the relevant trip code is reported on the

Remote Operator display.

Code

Description

1-1

Excess start time

1-2

Motor overload

1-3

Motor thermistor

1-4

Current imbalance

1-5

Frequency

1-6

Phase sequence

1-8

Power circuit

1-b

Bypass overload

1-C

Communications failure between module and starter

1-H

Forced communications trip from the network master

8/12 Remote Operator

64-20 mA Analog Output

6.1 Overview

The Remote Operator has a 4-20 mA analog output for monitoring motor current. The 4-20 mA output is

available on terminals B10, B11.

The analog output signal spans from 4 mA when the motor current is zero (when the soft starter is not running)

to 20 mA when the motor current is 125% of the Motor FLC setting in the Remote Operator (parameter 6).

NOTE

The 4-20 mA output only operates when the Remote Operator is connected to ASAC-1 soft starters.

6.2 Calibration

The Remote Operator Motor FLC parameter (parameter 6) must be adjusted to match the Motor FLC setting in

the soft starter.

The lower end of the analog output signal can be calibrated using the Remote Operator Analog Output 4 mA

Offset parameter (parameter 7). This is set to give a 4 mA output signal when the motor current is zero.

The 4-20 mA analog output has an accuracy of ±10%. It is not designed for process signal control and should

only be used for motor current monitoring and metering.

NOTE

The analog output uses only one Motor FLC setting. This function is not suitable for applications

using two motor parameter sets.

6.3 Programming

When the 4-20 mA output is being used, the Remote Operator's Motor FLC and Analog Output 4 mA Offset

parameters (Parameters 6 and 7) must be set appropriately (see Calibration). Programming can only be

carried out while the soft starter is not running.

6.3.1 Programming Procedure

1. To enter Programming Mode, hold down the Data/Prog pushbutton for four seconds. The default value of

the first parameter will be displayed.

2. Use the Data/Prog pushbutton to advance to the next parameter.

3. Use the Stop and Reset pushbuttons to adjust parameter values.

Programming Mode closes when the Data/Prog pushbutton is pressed after parameter 9.

NOTE

There is a 20 second timeout when the Remote Operator is in Programming Mode. Programming

Mode will automatically close if no input is registered for 20 seconds. Any changes already made

will be saved.

Remote Operator 9/12

6.3.2 Programmable Parameters

The Remote Operator offers the following programmable parameters:

Parameters 1 to 5 only apply when the Remote Operator is being used as a Modbus or AP ASCII network

gateway.

Parameter

Number

Description

Default

Setting

Adjustable Range

RS485 network

baud rate

(9600 baud)

2 = 2400 baud

3 = 4800 baud

4 = 9600 baud

5 = 19200 baud

6 = 38400 baud

RS485 network

satellite

address

1 to 99

RS485 network

timeout

0 seconds

(= off)

0 to 100 seconds

RS485 network

protocol

(AP ASCII)

1 = AP ASCII protocol

2 = Modbus RTU protocol

Modbus

protocol parity

(no parity)

0 = no parity

1 = odd parity

2 = even parity

3 = 10-bit transmission

Motor FLC (A)

1 to 2868

Analog output

4 mA offset (%)

100

80 to 120

Start, Stop,

Quick stop

function disable

0 = Remote Operator and Network start, stop, quick stop function

enabled.

1 = Remote Operator start, stop, quick stop function enabled.

Network start, stop, quick stop function disabled. 2

2 = Remote Operator start, stop, quick stop function disabled.

Network start, stop, quick stop function enabled. 1

3 = Remote Operator start, stop, quick stop function disabled.

Network start, stop, quick stop function disabled.

1, 2

Reserved

0 = off (default)

1Remote Operator Reset pushbutton is always enabled.

2RS485 Network reset and forced communication trip functions are always enabled.

10/12 Remote Operator

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