Honeywell PCD3.W315 Data Sheet

Data Sheet

Description

E0

E1

E2

E3

E4

E5

E6

PCD3.W315

Analog input module, 7 channel, 12 bit, 0 … 20 mA,

electrically isolated from the CPU

High-speed input modules for general use with 7 channels,

each with 12 bit resolution and 0 … 20 mA. Electrically

isolated from the CPU.

Technical specications

Number of inputs (channels) 7

Signal range 0 … 20 mA

Resolution (representation) 12 bit (0 … 4095)

Resolution

(value of least signicant bit(LSB))

Galvanic separation 500 V, electrical isolation of outputs

Measuring principle non-di󰀨erential, single-ended

Input resistance 120 Ω / 0.1 %

Accuracy at 25 °C ± 0.15 %

Repeating accuracy

(under same conditions)

Temperature error (0 … +55 °C) ± 0.25 %

Conversion time A/D ≤ 2 ms

Overcurrent protection ± 35 mA (permanent)

EMV protection yes

Time constant of input lter typisch 2.4 ms

Internal current consumption

(from +5 V bus)

Internal current consumption

(from V+ bus)

External current consumption 0 mA

Terminals Pluggable 10-pole spring terminal block

5 µA

to CPU, channels themselves not
separated

± 0.05 %

Block schematic

< 60 mA

0 mA

for Ø up to 2.5 mm²,

plug type E (4 405 4998 0)

Input filter

Ref.

Voltage

2.5V

MUX

PCD3.W315

A

VCC

D

COM

Galvanic
separated
serial
interface

DC / DC
Konverter

+5V GND

Galvanic separation

PCD-Bus

μController

I/O-Bus

Indicators and connections

label

W

W

3
1
5

3
1
5

Module-

base-

adresse

51-52-03-84 Rev.2.3 – Data Sheet – PCD3.W315

0

E0

GND

1

E1

2

GND

3

E2

4

GND

5

E3

6

GND

7

E4

8

GND

9

E5

10

GND

11

E6

12

GND

13

KackbrauneKac

Specimen

Terminals

PCD3.W315

7 inputs 0…20mA

The GND connections are
connected together in the

module and are galvanically

isolated from the CPU. The­se GNDs must not be con­nected to the CPU, process
GNDs or ground !

Honeywell Process Solutions

| 1

51-52-03-84 Rev.2.3 – Data Sheet – PCD3.W315

Connection concept for voltage inputs

The voltage input signals are connected directly to the 14-pole terminal block (E0 … E6 and GND). To minimize the amount of
interference coupled into the module via the transmission lines, connection should be made according to the principle explai-

ned below.

Connection for 0 … 20 mA

The GND connections are con-

Input filter

PCD3.W315 0…20 mA galvanic sep.

10111213

GND GND GND GND GND GND GND

max. 20cm

Earthing bar

0123456789

E0E1E2E3E4E5E6

nected together in the module

and are galvanically isolated

from the CPU. These GNDs
must not be connected to the
CPU, process GNDs or ground !

If shielded cables are used, the
shielding should be connected
to an earthing rail.

of

Resistance

measurement

of

Resistance

measurement

Shield

Shield

Connection for 0…20 mA with two-wire transducers

Input filter

PCD3.W315 0…20 mA galvanic sep.

GND GND GND GND GND GND GND

+

DC

24 V

-

+

Tempera­ture

ϑ

-

4...20 mA*

2

max. 25 cm

min. 2.5 mm

10111213

Earthing bar

Shield

*) potential free

0123456789

E0E1E2E3E4E5E6

2 |

+

0...20 mA

-

Shield

* 4…20 mA by Software

Speed

υ

Honeywell Process Solutions