Roberts Gorden UltraVac URVBNC, Руководство по установке

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SECTION 5: C
OMMUNICATIONS
27 of 65
SECTION 5: COMMUNICATIONS
One ROBERTS GORDON ® ULTRAVAC™ Controller
per building (called the "central controller") must
have equipment for remote communications to a PC.
This equipment consists of either a modem chip, an
RS-485 converter, or a TCP/IP communications
module.
For remote on-site and off-site control and system
status viewing, the central controller (controller # 1) is
fitted with a modem chip . See Page 27, Section 5.1 .
If only remote on-site control and system status
viewing is required, two controller communications
interface devices are available: an
RS-485 converter
or a TCP/IP communication module.
An RS-485 converter is installed at a single PC, this
PC can interface with any controller on the network
of ULTRAVAC™ controllers. The RS-485 converter at
the PC is wired directly to controller #1 using
shielded twisted pair communication wiring.
See Page 28, Figure 12 .
To interface with ULTRAVAC™ controllers through a
Local Area Network (LAN), a TCP/IP Communication
module is installed at controller #1. Controller #1 is
wired to the LAN by an Ethernet cable.
See Page 29,
Section 5.3. Any computer on the LAN that has
ULTRAVAC™ software installed can communicate
with the controllers. Appropriate precautions must be
taken to protect the Ethernet wiring from any possible
electrical interference (noise) caused by surrounding
machinery or equipment.
If multiple ULTRAVAC™ controllers are being used,
the additional controllers communicate to controller
#1 through communication wiring arranged in-series
from one controller to the next.
See Page 32, Section
5.5 .
FIGURE 11: Modem Location
5.1 Dedicated Phone Line for Central Controller
Modem
The Central Controller is fitted with a modem chip. To
use the modem, the controller must have a phone
line for modem communications. Install a phone line
near the location of the Central Controller. The phone
cable is plugged into the phone connection in the
corner of the control board.
See Page 27, Figure 11 . If
the modem option is not used for everyday communi-
cation to the controller(s), it can still be plugged into a
phone line for troubleshooting or programming assis-
tance. Contact your local ROBERTS GORDON
®
independent distributor for details.
If multiple ULTRAVAC™ controllers are being used, the
additional controllers communicate to controller #1
through RS-485 communication wiring arranged
in-series from one controller to the next.
See Page 32,
Section 5.5 . This allows multiple controllers to be
controlled from a PC through a single communication
package at the central controller.
Description Part Number
Modem Chip 10080142