Allen-bradley rio interface option -b8 -20, Bcd termination installation block diagram -20, Plc or main frame computer – Hardy HI 2151/30WC Single-Scale Controller User Manual
Page 50: Bcd terminal board # 1 bcd terminal board # 2

HI 2151/30WC MANUAL
3-20
FIG. 3-16 BCD TERMINATION INSTALLATION BLOCK DIAGRAM
Allen-Bradley RIO
Interface Option -B8
Refer to Hardy Instruments HI 2151 Series Weight Controllers Remote
I/O Installation and Operation Manual, Document Number 0596-0173
for installation instructions.
The Allen-Bradley RIO card can be mounted in either option slot one
or two. However, there is a limit of one RIO card per instrument. (See
Fig. 3-17)
PLC
OR
MAIN FRAME
COMPUTER
UNIT
# 1
UNIT
# 4
UNIT
# 3
UNIT
# 2
UNIT
# 5
UNIT
# 8
UNIT
# 7
UNIT
# 6
J1
J4
J3
J2
J1
J4
J3
J2
TB2
TB1
J5 EXPANSION
J5 EXPANSION
BCD
TERMINAL
BOARD
# 1
BCD
TERMINAL
BOARD
# 2
BCD
UNIT # 4 CONTROL
UNIT # 3 CONTROL
UNIT # 2 CONTROL
UNIT # 1 CONTROL
UNIT # 5 CONTROL
UNIT # 6 CONTROL
UNIT # 7 CONTROL
UNIT # 8 CONTROL
TB1