BaCnet Interface Module Installation and Configuration Manual
7
WIrIng TO COnTrOL anD exTenSIOn
BACnet Interface Module
MSTP
1
2
3
A GND B
PRODUCT
COMM
RS485
SYSTEM
A
B
C
D
1 2
RUN
PROGRAM
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12
13
15
14
17
16
18
20
19
21
24
23
29
25
27
26
28
32
30 31
L N
-
+
+
T
T
O
O
RS-485
mA
GND
VLT
SYS
A
B
C
D
PWR
CUR / VLT
A
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
+
+
mA
22
-
GND
VLT
+
mA
TEMP
OUTDOOR
O
O
TEMP
SYSTEM
EXTENSION
MODULE
CUR / VLT
B
CUR / VLT
C
CUR / VLT
D
PROVE
/DHW
SHUTDOWN
/SETBACK
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 30VA MAX
INPUT RATINGS:
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
CAUTION
: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
/TSTAT
HYBRID
RJ45 Communication Cable
RJ45 Cable
Extension
RJ11 Extension Cable
F
H
J
Power
CAUTION:
Risk of Electric Shock.
More than one disconnect switch may be required
to de-energize the equipment before servicing.
PWR
L N
1 2
E
3 4
F
5 6
G
7 8
H
9 10
I
11 12
EXTENSION
MODULE
RS-485
Ext A
INPUT RATINGS:
115VAC 60Hz, 12VA MAX
Use Copper Conductors Only.
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
E
G
I
Comm
Ext B
K
M
O
L
N
P
15
14
VLT
mA
CUR / VLT
18
17
16
VLT
mA
GND
CUR / VLT
21
20
19
VLT
mA
GND
CUR / VLT
24
23
22
VLT
mA
GND
CUR / VLT
J
11 12
K
M
O
L
N
P
E
F
G
H
K
M
L
N
13
GND
16
GND
19
GND
22
GND
27
26
VLT
mA
CUR / VLT
30
29
16
VLT
mA
GND
CUR / VLT
25
GND
28
GND
I
J
O
P
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
RJ45
RJ11
RJ45
RJ11
A (+)
Ground
B (-)
To BACnet
MSTP
HT#
0591
19-00B