ABB 4690 Series Handbuch

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ABB MEASUREMENT & ANALYTICS | INFORMATION | INF11/066-EN REV. A

4690 series

Turbidity systems

4670 to 4690 turbidity system upgrade

1 Introduction

This publication details the upgrade of a 4670 turbidity system

to a 4690 system (for use with 7998 sensors). The system is

upgraded by replacing the EPROM and the procedure must be

carried out by a trained technician.

The replacement EPROM kit options are shown in Table 1:

Description Part No. Qty

Standard (1 analog output)

(containing EPROM part no. 46903000)

7998 040 1

Additional analog output

(containing EPROM part no. 46903001)

7998 041 1

Modbus®

(containing EPROM part no. 46903002)

7998 042 1

Modbus® + Net Tap

(containing EPROM part no. 46903003)

7998 043 1

This publication (supplied with each kit) –

4670 to 4690 turbidity system upgrade

INF11/066–EN 1

Table 1 EPROM kit options

Modbus is a registered trademark of the Modbus-IDA organization

2 Tools required

• No. 2 Pozidriv screwdriver

• EPROM extraction tool

• EPROM insertion tool

24690 SERIES | 4670 TO 4690 TURBIDITY SYSTEM UPGRADE | INF11/066-EN REV. A

3 EPROM replacement

Wall-mount transmitter

WARNING

Remove all power from supply, relay and any powered

control circuits and high common mode voltages before

accessing the EPROM.

CAUTION

The transmitter is vulnerable to electrostatic damage. Wear

an anti-static strap or dismantle the unit on an anti-static

workbench.

1 Isolate the transmitter from the power supply.

2 Referring to Figure 1:

a Slide cover 1down, pull out slightly and slide off.

b Release 4 captive screws 2and remove protection

cover 3.

c Remove 2 screw caps 4(if fitted).

d Remove 6 front panel screws 5and remove front

panel 6.

Figure 1 Removing the front cover – wall-mount transmitter

3 Referring to Figure 2:

a Locate EPROM 7.

b If required, remove personality module 8.

c Remove EPROM using extraction tool.

d Using EPROM insertion tool, position replacement EPROM

carefully in socket ensuring notches in EPROM and socket

9are aligned and that EPROM pins locate correctly in the

holes in the socket.

e Press EPROM fully home.

f Refit personality module 8(if removed at step 2).

Figure 2 Replacing the EPROM – wall-mount transmitter

4 Referring to Figure 1:

a Refit front panel 6and secure with 6 front panel

screws 5.

b Refit 2 screw caps 4(if fitted).

c Refit protection cover 3and secure with 4 captive

screws 2.

d Refit cover 1.

5 Restore the power supply to the transmitter.

6 Configure the transmitter – see Section 4, page 3.

4690 SERIES | 4670 TO 4690 TURBIDITY SYSTEM UPGRADE | INF11/066-EN REV. A 3

Panel-mount transmitter

WARNING

Remove all power from supply, relay and any powered

control circuits and high common mode voltages before

accessing the EPROM.

CAUTION

The transmitter is vulnerable to electrostatic damage. Wear

an anti-static strap or dismantle the unit on an anti-static

workbench.

1 Isolate the transmitter from the power supply.

2 Referring to Figure 3:

a Release captive screw 1.

b Remove transmitter 2from its case.

Figure 3 Removing the transmitter from its case

3 Referring to Figure 4:

a Locate EPROM 3.

b Remove EPROM using extraction tool.

c Using EPROM insertion tool, position replacement EPROM

carefully in socket ensuring notches in EPROM and socket

4are aligned and that EPROM pins enter the holes in the

socket.

d Press EPROM fully home.

Figure 4 Replacing the EPROM – panel-mount transmitter

4 Referring to Figure 3, refit transmitter 2to its case and

secure with captive screw 1.

5 Restore the power supply to the transmitter.

6 Configure the transmitter – see Section 4.

4 Completion

Referring to the User Guide (IM/4690 – EN):

1 Select the sensor type – see Section 8.3.

2 Calibrate the sensor – see Section 7.

INF11/066-EN Rev. A 08.2019

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We reserve the right to make technical changes or modify the contents of this document

without prior notice. With regard to purchase orders, the agreed particulars shall prevail.

ABB does not accept any responsibility whatsoever for potential errors or possible lack of

information in this document.

We reserve all rights in this document and in the subject matter and illustrations contained

therein. Any reproduction, disclosure to third parties or utilization of its contents – in

whole or in parts – is forbidden without prior written consent of ABB.

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ABB Limited

Measurement & Analytics

Oldends Lane, Stonehouse

Gloucestershire, GL10 3TA

Tel: +44 (0)1453 826 661

Fax: +44 (0)1453 829 671

Email: instrumen[email protected]om

ABB Inc.

Measurement & Analytics

125 E. County Line Road

Warminster, PA 18974

USA

Tel: +1 215 674 6000

Fax: +1 215 674 7183

abb.com/measurement

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