McQuay MicroTech Unit Controller - Page 34

Figure 26. Typical Communications Interconnections.
OPTIONAL 4-20mAdc EMS
SIGNAL FOR RESET OF
CHILLED WATER
OPTIONAL 4-20mAdc EMS
SIGNAL FOR DEMAND “.’
PC DOS/MS DOS
COMPATIBLE COMPUTER
WITH McQUAY SOFTWARE
7
i RS-232C 9600 BAUD
LIMITING 1
:
MICROTECH UNIT
CONTROLLER #l
MicroTech
____-
1
1
: RS-485 9600 BAUD
! ADDRESS:
ADDRESS:
DISPLAY ENGINN 01
DISPLAY ENGINN 02
: CONTROL ENGINN 01
CONTROL ENGINN 01
DISPL;
PORT B
MICROTECH SYSTEM
CONTROLLER (LLLB PANEL)
ADDRESS 00
MICROTECH UNIT
CONTROLLER #2
: RS-232C 1200 BAUD
PHONE
LlNi
OPTIONAL FACTORY
INSTALLED MODEM
NOTE: Maximum distance for
RS-232C is 100 feet and 5000
feet for RS-4851422.
RS-232C 1200 BAUD
TWISTED PAIR CABLE
PC DOS/MS DOS
COMPATIBLE COMPUTER
WITH McQUAY SOFTWARE
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