Summary of Contents for Blackbox ICD202A
- Page 1 QUICK START GUIDE ICD202A INDUSTRIAL OPTO-ISOLATED RS-422/485 REPEATER 24/7 TECHNICAL SUPPORT AT 877.877.2269 OR VISIT BLACKBOX.COM...
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Page 2: Step 1 - What's Included
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. - Page 3 STEP 3 - Front and Back Panels, DB9 Pin-out Figure 1. Front Panel Figure 2. Back Panel TABLE 1. FRONT AND BACK PANELS Power LED Red, “On“ when power is applied; see Section 9. Data LEDs Green LEDs flash when data is on port; see Section 9. RS-422/485 Terminal Block Five-position, removable;...
- Page 4 Use the 1.2K Ohm receive bias resistor 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.
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Page 5: Step 5 - Ground Connection
STEP 5 - Ground Connection 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. STEP 6 - Power Connection Figure 5. -
Page 6: Wiring Examples
STEP 7 - RS-422/RS-485 Terminal Blocks Figure 6. See cable recommendations in Section 1. 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... -
Page 7: Operation
TABLE 7: RS-422/485 4-WIRE DIP SWITCH CONFIGURATION 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 TABLE 8: RS-422/485 4-WIRE DIP SWITCH CONFIGURATION Position 1 is ON for RS-485 and OFF for RS-422. Positions 5, 6, and 7 are used for termination and biasing. - Page 8 COPYRIGHT 2018 BLACK BOX CORPORATION. ALL RIGHTS RESERVED. Documentation Number: pn8868-r3_ICD202A_2318qsg...
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