Bulletin No. 3020IB9814
December 1998
30
Connecting to a • Connect up to 32 POWERLOGIC devices to a personal computer. See
Personal Computer Length of the Communications Link in this chapter for distance
limitations at varying baud rates.
• POWERLOGIC devices can be connected to a SY/LINK card installed in
the personal computer. To do this, connect the POWERLOGIC devices to
the RS-422 port (female DB-9 connector) of the SY/LINK card.
• POWERLOGIC devices can be connected to a serial COMM port on the
personal computer. To do this, the POWERLOGIC devices must be
connected to an RS-232 to RS-422/RS-485 converter which is connected
to the personal computer. POWERLOGIC offers a converter kit for this
purpose (Class 3090 Type MCI-101). Refer to the instruction bulletin
included with the MCI-101 for connection instructions.
Figure 3-16: POWERLOGIC devices connected directly to a personal computer
MCA-485
MCT-485
BELDEN 8723
(or equivalent)
CAB-107
(See Appendix D
for cable pinouts)
Connected to RS-422 port of SY/LINK card
1–32 Devices (Circuit Monitors and other POWERLOGIC-compatible devices)
Connected to RS-422 port of SY/LINK
card or RS-422 PC serial port
CAB-107
(see Appendix B
for cable pinouts)
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