RKC INSTRUMENT AE500 - Page 9

2. WIRING
IMAE02-E3
3
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Connection to the RS-232C port of the host computer
A RS-232C/RS-485 converter is required.
AE500
SG
T/R (B)
T/R (A)
RS-485
SG
T/R (A)
T/R (B)
RS-232C
Host computer
RS-232C/RS-485
converter
Shielded twisted
pair wire
Paired wire
Communication
terminal
* R * R
* R: Termination resistors (Example: 120
Ω
1/2 W)
When the host computer uses Windows 95/98/NT, use a RS-232C/RS-485 converter with
an automatic send/receive transfer function.
Recommended: CD485, CD485/V manufactured by Data Link, Inc. or equivalent.
The cable is provided by the customer.
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Connection with up to 31 AE500 and one host computer
AE500 AE500
Host computerHost computer
RS-232C/RS-485 converter
Junction terminals
3029 311 2 3 4
Device address
RS-485
or
RS-232C
RS-485