Black Box ICD202A Manuel utilisateur

ICD202A

INDUSTRIAL

OPTO-ISOLATED

RS-422/485

REPEATER

QUICK START GUIDE

24/7 TECHNICAL SUPPORT AT 877.877.2269 OR VISIT BLACKBOX.COM

STEP 1 - What’s Included

• ICD202A Industrial Opto-Isolated RS-422/485

Repeater

• This Quick Start Guide

USER-SUPPLIED COMPONENTS

• 10 to 48 VDC power supply; this repeater draws a

maximum of 2.3 Watts.

• RS-422/485 cables. Recommended characteristics:

(1) or (2) shielded or unshielded twisted pair/s.

STEP 2 - Certifications & UL C1/D2

• FCC Class A

• CE

• IEC 61850-3

• IEEE 1613

• RoHS

SUITABLE FOR USE IN CLASS I, DIVISION 2, GROUPS A, B,

C AND D HAZARDOUS LOCATIONS, OR NONHAZARDOUS

LOCATIONS ONLY.

CONVENANT À L’EMPLOI DANS LES SITES DANGEREUX

DE CLASSE I, DIVISION 2, GROUPES A, B, C ET D, OU DANS

LES SITES NON HASARDEUX SEULEMENT.

WARNING - EXPLOSION HAZARD - SUBSTITUTION OF

ANY COMPONENT MAY IMPAIR SUITABILITY FOR CLASS

I, DIVISION 2.

ATTENTION - DANGER D’EXPLOSION - LA SUBSTITUTION

DE COMPOSANTS PEUT ENTRAÎNER UNE ADÉQUATION

À LA CLASSE I, DIVISION 2.

WARNING - EXPLOSION HAZARD - DO NOT DISCONNECT

EQUIPMENT WHILE THE CIRCUIT IS LIVE OR UNLESS

THE AREA IS KNOW TO BE FREE OF IGNITABLE

CONCENTRATIONS.

ATTENTION - DANGER D’EXPLOSION - LA SUBSTITUTION

DE COMPOSANTS PEUT ENTRAÎNER UNE ADÉQUATION

À LA CLASSE I, DIVISION 2.

UL CLASS 1 / DIVISION 2 WARNING INFORMATION

Field wiring connections must be made using 105 °C minimum

copper supply wires.

Les connexions de câblage sur site doivent être réalisées

en utilisant des câbles d’alimentation en cuivre de 105 °C

minimum.

To be installed in accordance with control drawing 8513r001.

Pour être installé conformément au dessin de contrôle

8513r001.

Figure 1. Front Panel

Figure 2. Back Panel

STEP 3 - Front and Back Panels, DB9 Pin-out

TABLE 1. FRONT AND BACK PANELS

APower LED Red, “On“ when power is applied; see Section 9.

BData LEDs Green LEDs flash when data is on port; see Section 9.

CRS-422/485

Terminal Block Five-position, removable; see Sections 7 and 8.

DGrounding Lug Chassis ground to earth ground; see Section 5.

EDIP Switches Used to configure the repeater; see Section 4.

Power Terminal

Block 2-position, removable; see Section 6.

CB B

Figure 3. Switch Position 8 is not used. Illustration shows factory default settings.

STEP 4 - Configuration of DIP Switch

TABLE 2: COMMUNICATIONS MODEL SWITCH

1 2 3 4

RS-485 2-Wire

Half-Duplex On On On On

RS-485 4-Wire

Full-Duplex On Off Off Off

RS-422

Full-Duplex Off Off Off Off

TABLE 3: BUILT-IN TERMINATION RESISTOR SWITCH

Use the 120 Ohm built-in termination On

Use external or no termination Off

TABLE 5: BUILT-IN RECEIVE BIAS RESISTOR SWITCH

Use the external or no bias resistor On

Use the 1.2K Ohm receive bias resistor Off

For an explanation of RS-485 termination and biasing

requirements, refer to Black Box‘s white paper, “The Elements of

an RS-422 and RS-485 System.“ This publication can be

downloaded at www.blackbox.com > Resources > White Papers.

STEP 5 - Ground Connection

STEP 6 - Power Connection

Figure 5. Power Connections

Figure 4. Ground Connection

Black Box recommends that you ground the chassis as

shown in Figure 4. Connect a grounding wire from the

ground lug to a good grounding source.

Connect the power. Power requirements are 10 to

48 VDC, 2.3 Watts maximum. The terminal block will

accept 28 to 12 AWG wire.

STEP 7 -

RS-422/RS-485 Terminal Blocks

Figure 6. See cable recommendations in Section 1.

Figure 7. Terminal Block Wiring examples.

TABLE 6. TERMINAL CONNECTIONS

Terminal RS-422 RS-485

A and F –TDA(-)

B and G –TDB(+)

C and H Data A(-) RDA(-)

D and I Data B(+) RDB(+)

E and J Ground Ground

RS-485 2-Wire

STEP 8 -

Wiring Examples

J = Ground

I = Data B (+)

H = Data A (-)

E = Ground

D = Data B (+)

C = Data A (-)

Positions 5, 6, and 7 are used for termination and biasing.

See Section 4. Position 8 is not used.

RS-422/RS-485 4-Wire

During normal operation, the Power LED should be

illuminated.

When data is sent or received on either port, the

corresponding Data LED should flash.

Position 1 is ON for RS-485 and OFF for RS-422.

Positions 5, 6, and 7 are used for termination and biasing.

Position 8 is not used.

STEP 9 -

Operation

TABLE 7: RS-422/485 4-WIRE DIP SWITCH CONFIGURATION

1234567

On On On On XXX

TABLE 8: RS-422/485 4-WIRE DIP SWITCH CONFIGURATION

1234567

XOff Off Off XXX

J = Ground

I = RDB(+)

H = RDA(-)

G = TDB(+)

F = TDA(-)

E = Ground

D = RDB(+)

C = RDA(-)

B = TDB(+)

A = TDA(-)

Documentation Number: pn8868-r3_ICD202A_2318qsg

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