Related Manuals for Black Box ICD400A
Summary of Contents for Black Box ICD400A
- Page 1 QUICK START GUIDE ICD400A ISOLATED RS-232 TO RS-422/485 CONVERTER 24/7 TECHNICAL SUPPORT AT 877.877.2269 OR VISIT BLACKBOX.COM...
- Page 2 • Withstands temperature variations from -40 to +80 °C (-40 to +176 °F) STEP 2 - What’s Included Your package should include the following items. If anything is missing or damaged, contact Black Box Technical Support at 877-877-2269 or visit: info@blackbox.com. • RS-232 to RS-422/485 Converter •...
- Page 3 TABLE 3-1. CONVERTER COMPONENTS ID in Fig. 3-1 Component Description Power connector 2-position, removable DB9 female connector RS-232 (wired as DCE) Green: ON when power is applied Data LEDs Blinking: Data is flowing Mounting ears Used for panel mounting R2-422/485 connector 5-position, removable 8-position DIP switch Located on back of unit...
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Page 4: Power Supply
Figure 4-2 and Table 4-2 show the terminal identification. V(-) V(+) Power supply 10–30 VDC, 2.5 W A B C D E Figure 4.2 Terminal Identification TABLE 4-2. TERMINAL IDENTIFICATION RS-422/485 4-Wire RS-485 2-Wire Ground Ground RDB(+) Data B(+) RDA(-) Data A(-) TDB(+) —... - Page 5 STEP 6 - Wiring Examples In Figure 6-1, the converter is set up to use the internal bias and no termination. NOTE: Shaded black means the DIP switch is ON. Figure 6.1 RS-485 2-wire example. In Figure 6-2, the converter is set up to use internal bias and no termination with four wires.
- Page 6 STEP 7 - Bias and Termination The circuit can be biased using the built-in 2k Ohm pull-up and pull-down resistors. This is controlled with DIP switch position 5. The default setting is ON (bias resistors in). When an RS-485 network is in an idle state, all nodes are in listen (receive) mode.
- Page 8 COPYRIGHT 2018 BLACK BOX CORPORATION. ALL RIGHTS RESERVED. Documentation Number: pn710-00009-00_r2_ICD400A_2518qsg...
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