West PO1-C21 Data sheet

Pro-EC44 2-Loop Graphical Profile Controller & Recorder

PART

NUMBER

AVAILABLE OPTIONS & ACCESSORIES

BOARD

IDENTIFICATION

NUMBER

MODULE SLOT 1

PO1-R10

Single Relay Output for plug-in module slot 1

716/01

PO1-S20

Single SSR Driver Output for plug-in module slot 1

716/02

PO1-T80

Triac Output for plug-in module slot 1

716/03

PO1-C21

Linear mA / Voltage Output for plug-in module slot 1

639/01

MODULE SLOT 2 or 3

PO2-R10

Single Relay Output for plug-in module slot 2 or 3

717/01

PO2-W09

Dual Relay Output for plug-in module slot 2 or 3

644/01

PO2-S20

Single SSR Driver Output for plug-in module slot 2 or 3

717/02

PO2-S22

Dual SSR Driver Output for plug-in module slot 2 or 3

644/02

PO2-T80

Triac module Output for plug-in module slot 2 or 3

647/01

PO2-W08

24VDC Transmitter Power Supply for module slot 2 or 3

642/01

MODULE SLOT A

PA1-W03

Digital Input for plug-in module slot A

641/02

PA1-W04

Basic Auxiliary Input for plug-in module slot A

653/01

PA1-W06

RS485 Serial Communications for plug-in module slot A

680/01

PA1-ETH

Ethernet Communications for plug-in module slot A

707/01

ACCESSORIES

PS1-PRF

Profiler Enable Key-code

PS1-PRW

Blue Control PC Configuration Software & Lead

CAUTION: Plastic pegs prevent fitting of older non-reinforced single relay

modules (board identification numbers 637/01 and 638/01). Fitting the older
relay modules reduces the isolation rating to Basic 240V isolation and is
therefore not recommended.
Remove this peg when fitting Dual Relay Modules.

Board Positions

Note: All dual relay modules have reinforced isolation.

3 Field Upgrade Options

Plug-Modules and Upgradeable Functions

Plug-Modules can be either pre-installed at the time of manufacture, or retrofitted in the field
to expand the capabilities of the controller. Contact your supplier to purchase these items.
Part numbers and circuit board identification numbers for the plug-in modules and
accessories are shown in below:

Pro-EC44 Product Manual - 59540-2 September 2014 Page 4

Pro-EC44 2-Loop Graphical Profile Controller & Recorder

Board Mounting Struts (x4)
Front Panel Removal Latch (x1)
Plug-in Module A
Plug-in Module 3

Power Supply Board
2nd Universal Input & Base

Option 2 Board
1st Universal Input & Base

Option 1 Board
Plug-in Module 1

Plug-in Module 2
USB/Digital Input C Option

Board

CAUTION: Before removing the instrument from its housing, ensure that all

power has been removed from the rear terminals. Modules / boards should
be replaced by a technically competent technician.

Figure 3. Rear view (uncased) & board positions

Preparing to Install or Remove Plug-in Modules

1. Grip the edges of the front panel (there is a finger grip on each edge) and pull it forwards
approximately 10mm, until the Front Panel Removal Latch prevents further movement.
The purpose of the latch is to prevent removal of the instrument without the use of a tool.

2. The Front Panel Removal Latch must be pushed down to allow removal of the instrument.
Using a tool (e.g. screwdriver or pen tip), press down it down through the front central
ventilation hole. This will release the instrument from the case.

3. The internal boards can now be accessed. Take note of the orientation of the instrument
and boards for subsequent replacement into the housing. The positions of the boards,
their mountings and the Front Panel Removal Latch are shown above.

Pro-EC44 Product Manual - 59540-2 September 2014 Page 5