Emerson E2 Installation And Operation Manual page 74
For rx refrigeration, bx hvac, and cx convenience store controllers
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Also See for E2:
- Installation and operation manual (283 pages) ,
- User manual (34 pages) ,
- Manual (21 pages)
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16AI INSTALLATION GUIDE
5
1
4
3
2
1
SHIELDED TWISTED PAIR
BELDEN #8761. FOR PLENUM,
USE BELDEN #82761 OR #88761
OR EQUIV.
WIRE + to + (same color)
WIRE 0V to 0V
WIRE - to - (same color)
4
JU1 JU2 JU3
JU1 JU2 JU3
UP
(Terminated)
(Not Terminated)
5
120/208/240 VAC
L2
L1
240
208
120
PRIMARY SIDE
•
6-14
E2 RX/BX/CX I&O Manual
2
ADDRESS
BOARD 1
1
2
3
4
5
6
7
8
ON
BOARD 5
1
2
3
4
5
6
7
8
ON
BOARD 9
2
3
4
5
6
7
8
1
ON
BOARD 13
2
3
4
5
6
7
8
1
ON
DOWN
(Term)
WIRING FOR 640-0056, 56VA Transformer,
and 640-0080, 80VA Transformer
24VAC Center-Tapped Transformer
Three-conductor non-shielded cables
are the recommended wire
for connecting between the
center-tapped transformer
and I/O boards.
Power Wiring Types:
14 AWG
Belden 9495
C
18 AWG
Belden 9493
1. Connect 16A1 to the RS485 I/O Network.
2. Set the network address on the first five
rockers of dip switch S3.
3. Set the network baud rate using rockers 6
and 7 of dip switch S3.
4. Set RS485 termination jumpers UP (term) if
at either end of a daisy chain. Otherwise, set
jumpers DOWN (not term).
5. Connect board to the 24VAC
secondary of the power transformer.
Note: If you change any dip switch settings
while the board is powered, disconnect the
32
power and re-power the board to reset.
1
2
3
4
5
6
7
8
BOARD 2
BOARD 3
BOARD 4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
ON
ON
ON
BOARD 6
BOARD 7
BOARD 8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
ON
ON
ON
BOARD 10
BOARD 11
BOARD 12
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
ON
ON
ON
BOARD 14
BOARD 15
BOARD 16
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
ON
ON
ON
DAISY CHAIN CONFIGURATION
SET TERMINATING JUMPERS:
UP
DOWN
24V
CT
24V
SECONDARY SIDE
center-tapped
3
1
2
4
5
6
7
8
1
9600 baud
4
5
6
7
8
1
4
5
6
7
8
19200 baud
4
5
6
7
8
(Term)
DOWN
UP
AC1
24VAC Center-Tapped
0V
AC2
Earth ground the
0V (center-tapped)
terminal of each board
026-1610 Rev 12 25-APR-2011
BAUD RATE
3
4
5
6
7
8
2
3
4
5
6
7
8
2
3
4
5
6
7
8
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