Orion System PT-Link II BACnet2 - Manual (Page 5)

PT-Link II Interface
PT-Link II BACnet ® Technical Guide
5
Connection and Wiring Information
Figure 2: PT-Link II BACnet ® Interface Wiring
Modular Service Tool
Mode Selection
ENTER
CLEAR ESC
PREV NEXT
DOWN
UP
6 5 4
DEC
7
0
8
1 3 2
9
MINUS
-
STATUS
SETPOINTS
SCHEDULES
CONFIGURATION
ALARMS
ON
OVERRIDES
BALANCE - TEST
Line Voltage
PT-Link Interface
MS/TP Connection
To Network BACnet ®
MS/TP Connection
To Network BACnet ®
24 VAC
(10 VA)
Line Voltage
24 VAC
(8 VA)
Line Voltage
24 VAC
(8 VA)
Line Voltage
Controller
Controller
Controller
Controller
24 VAC
(8 VA)
Line Voltage
24 VAC
(8 VA)
SHLD
T
R
Typical Terminal Blocks. All
Wiring To Be T To T, SHLD
(G) To SHLD (G) & R To R
Note: All Programming Of
Controllers Must Be Done
Using The Modular Service
Tool. The Modular System
Manager Should Not Be Used
On A System That Has A PT-
Link Installed.
Caution: The BACnet
Communication Terminal Block
Must Be Disconnected Before
Connecting The Modular Service
Tool. After Programming The
Controller(s), Disconnect The
Service Tool and Then Reconnect
The Communication Terminal ®
Wiring Notes:
1.) All wiring to be in accordance with local and national electrical codes
and specifications.
2.) All communication wiring to be 18 gauge minimum, 2 conductor twisted
pair with shield. Use Belden #82760 or equivalent.
485
DRIVER
COMM
R
SH
T
LOOP
PROTO
LED1
LED2
TIMER
W_DOG
H-BEAT
POWER
MADE IN USA
www.orioncontrols.com
WattMaster Label
#LB102082
Rev. 01A
OE368-23B-BACNET
PT-LINK II PROTOCOL
TRANSLATOR
FOR BACNET
+24
VAC GND
LOOP
LED 1
LED 2
=RAPID BLINK
=BLINKS QTY CONTROLLERS
= STEADY BLINK
PROTO
TIMER
WATCH DOG
H-BEAT
=RAPID BLINK
= STEADY BLINK
= ON SOLID
= STEADY BLINK
LED BLINK CODES (NORMAL)
P
ROTO
C
E SSO
R
Protocol
Copr
o c e s s o r
w w w .p
ro
to c e ssor.com
1 2 3 4 5 6 7 8
O N O N
1 2 3 4
ON
RX TX
RSGND
Up To 4 Controllers
Can Be Interconnected.
Controller’s Address
Cannot Be Higher Than 16.
IMPORTANT WIRING NOTE:
Use the Daisy-Chain Topology As Shown in This Diagram.
DO NOT Use a Star Topology with Multiple Units Tied
Directly to the PT-Link II.
Revised 8/31/11