KEP ES749 - Page 123

ES749 Flow Computer
119
Terminal Layout for Wall Mount Option:
NEMA 12. 13 Terminal Diagram:
NEMA 12. 13 Terminal Layout
RATE
TOTAL
267395.749
GPM
GAL
147.43
123 4 5 6 7 8 9
10 11 12 13 14 15 16
23 24
123 4 5 6 123 4 5 6123 4
RS-232 RS-485
XR
MOC
XT
SAIB
)CDV 8+( PM
DCD
2 3 4 5 6 1
RS-232
RING Not Used Not Used Not Used Not Used TIP
2 3 4 5 6 1
Phone
31
)+( TUPTUO ESLUP
)-( TUPTUO ESLUP
)-( NOMMOC TUPTUO GOLANA
)+( 2 TUPTUO GOLANA
ENIL CA
ENIL CA42
1YLR MOC81
91 02 12 22 32
1YLR CN 2YLR CN
41
51 61
1YLR ON71
NI REWOP
)-( CD
)+( CD
NI ESLUP
TUPTUO CD
NOMMOC
)+( TICXE DTR
)+( SNES DTR
)-( SNES DTR
8 9
01
11
21
2 3 4 5 6 7 1
ERUTAREPMET
)+( niI
)+( niV
*
)+( niI
NI NI
WOLF
)+( TICXE DTR
)+( SNES DTR
)-( SNES DTR
TUPTUO CD
ERUSSERP
)2 PMET(
)+( niI
NI
)+( 1 TUPTUO GOLANA
- - - - - - - - - -
2YLR MOC
2YLR ON
1YLR MOC81
91 02 12 22
2YLR ON
2YLR MOC
1YLR ON71
3YLR ON
3YLR MOC
3 Relay Option
PRINT
5
0
–
TIME
CLEAR
•
MENU
ENTER
HELP
TEMP
4
PRE 1
3
RATE
2
TOTAL
1
GRAND
6
SCROLL
7
PRE 2
8
DENS
9
17 18 19 20 21 22
Phone
DC Power
Option
Specify Power Input When Ordering.
Terminating Resistor (180 ohms) TX/RX(–) TX/RX(+) Common
2 3 4 1
RS-485
NEMA 12, 13 Terminal LayoutNEMA 12, 13 Terminal Designations
Appendix C- RS-485 Modbus Protocol (continued)