Features Overview; Figure 13-1 Bcd 40-Pin Cable Connector (P8) - Omega DP461-S User Manual

13
BCD Option

13.1 FEATURES OVERVIEW

1. 6 BCD digits (24 lines plus 1 polarity, 3 decimal-point location code, 1
overflow, 1 timing, 1 control, 4 card address, and 3 isolation power
lines).
2. Furnished 40-line mass-terminated connector: pin compatibility with 50-
pin BCD cable assignments.
3. Can be jumpered for internal, non-isolated drive or external power with
isolation (354 V per IEC spacing, 500 V test).
4. Upper 3 BCD digits can be multiplexed onto lower 3 BCD lines for 3
digits at a time readout.
5. All outputs tri-state, TTL/CMOS compatible, 10 LSTTL loads.
6. Data always valid (stored, buffered).
7. Selectable 4-line card address (with internal pull-ups) or single-line
activation.
Figure 13-1 shows the rear of the meter case with the 40-line edge
connector highlighted and the upper and lower pin assignments.
P1
1
2
3
Figure 13-1. BCD 40-Pin Cable Connector (P8)
13-1
1
2
P9
3
1
P5
2
3
1
2
P3
3
P8
BCD 400K L1 U1
BCD 100K L2 U2
ISO RTN L3 U3
BCD 40K L4 U4
BCD 10K L5 U5
BCD 4K L6 U6
BCD 1K L7 U7
D.P. 2 L8 U8
BCD 400 L9 U9
BCD 100 L10 U10
BCD 40 L11 U11
BCD 10 L12 U12
BCD 4 L13 U13
BCD 1 L14 U14
ISO RTN L15 U15
DATA READY L16 U16
ISO V+ L17 U17
SPARE L18 U18
ADDRESS B4 L19 U19
ADDRESS B1 L20 U20
BCD 800K
BCD 200K
SPARE
BCD 80K
BCD 20K
BCD 8K
BCD 2K
D.P. 4
BCD 800
BCD 200
BCD 80
BCD 20
BCD 8
BCD 2
D. P. 1
POLARITY
HOLD
OVERFLOW
ADDRESS B8
ADDRESS B2