Page 1: ...ERIAL option card This hardware bulletin SPECIFICATIONS 1 POWER REQUIREMENTS 24 V 50 mA max Power is supplied to the option card from the main board of the Fieldbus Gateway 2 COMMUNICATIONS Serial Por...
Page 2: ...on the option card with the main board s header as shown in Figure 3 Once aligned gently press on the front of the card until it is flush with the front of the case 5 Turn the option card knobs to th...
Page 3: ...either RS422 or RS485 The RS422 485 port and RS232 port are multiplexed because they share the same hardware Both ports can be used with master protocols However when the RS422 485 port is used with a...
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