Black Box ICD202A Manuale utente
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.
F
Power Terminal
Block 2-position, removable; see Section 6.
A
CB B
D
F
E
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
5
Use the 120 Ohm built-in termination On
Use external or no termination Off
TABLE 5: BUILT-IN RECEIVE BIAS RESISTOR SWITCH
7
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(-)
COPYRIGHT 2018 BLACK BOX CORPORATION. ALL RIGHTS RESERVED.
Documentation Number: pn8868-r3_ICD202A_2318qsg
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