Emerson E2 Installation And Operation Manual page 77
For rx refrigeration, bx hvac, and cx convenience store controllers
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Also See for E2:
- Installation and operation manual (263 pages) ,
- User manual (34 pages) ,
- Manual (21 pages)
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16AI INSTALLATION GUIDE
1
2
5
3
4
1
WIRING FOR 640-0056, Three Board Xformer,
and 640-0080, Five Board Xformer
120/208/240 VAC
C
240
208
120
PRIMARY SIDE
2
SHIELDED TWISTED PAIR
BELDEN #8761
OR EQUIV.
WIRE + to +
WIRE 0V to 0V
WIRE - to -
5
[
MOD
[
I/O
NO
[
NOT TERMINATED
BACnet
24V
CT
24V
SECONDARY SIDE
3
ADDRESS
BOARD 1
1
2
3
4
5
6
7
8
1
ON
ON
BOARD 5
1
2
3
4
5
6
7
8
1
ON
ON
BOARD 9
2
3
4
5
6
7
8
1
1
ON
ON
BOARD 13
1
2
3
4
5
6
7
8
1
ON
ON
[
[
MOD
MOD
[
[
I/O
I/O
NO
[
NO
[
TERMINATED
TERMINATED
FOR I/O NET
FOR MODBUS NET
1.
Connect board to power transformer.
2. Connect 16A1 to the RS485 I/O Network.
3. Set the network address on the first five
rockers of dip switch S3.
4. Set the network baud rate using rockers 6
and 7 of dip switch S3.
5. If the E2 is the beginning of all RS-485 I/O or
MODBUS Networks, set all three jumpers to the
UP position. For MODBUS, set the jumpers in
the top-most position (MOD). For I/O Net, set the
jumpers in the middle position(I/O). For no termination,
set the jumpers tothe DOWN position (NO).
6. If you change any dip switch settings
while the board is powered, disconnect the
32
power and re-power the board to reset.
WIRING FOR 640-0048, Ten Board Xformer
6
12
120 VAC
5
11
8
2
7
1
24 VAC OUTPUT
CENTER TAP
FOR 120 VAC POWER SOURCE
1
2
3
4
5
6
7
8
BOARD 2
BOARD 3
BOARD 4
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
ON
ON
BOARD 6
BOARD 7
BOARD 8
2
3
4
5
6
7
8
2
3
4
5
6
7
8
2
3
4
5
6
1
1
ON
ON
BOARD 10
BOARD 11
BOARD 12
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
ON
ON
BOARD 14
BOARD 15
BOARD 16
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
ON
ON
DAISY CHAIN CONFIGURATION
SET TERMINATING JUMPERS:
UP
DOWN
The RS485 Network and Hardware Setup
6
12
5
11
2
8
1
7
PINOUT
6
AC1
12
208/230 VAC
5
11
0V
8
2
AC2
7
1
24 VAC OUTPUT
CENTER TAP
FOR 208/230 VAC POWER SOURCE
4
BAUD RATE
1
2
3
4
5
6
7
8
1
2
3
9600 baud
7
8
1
2
3
7
8
19200 baud
7
8
DOWN
AC1
0V
AC2
7
8
4
5
6
7
8
4
5
6
7
8
UP
•
-
6
21
- Quick Links:
- The E2 Refrigeration Controller (Rx)
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Table of Contents
Troubleshooting
