GE PAC 4020 System Manual page 44

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r-----.
Odd Parity
Repeat Bit
.------1•
Remote Scanner Address
18
Module Address
&
Mode
0
REQUESTS
1 1 1
P
R
L
L
13 BITS DATA
0
. _ _ _ _ ......__,____.. _ _ _ ......_ _ _ _._ _ _ _ _ _ _ _ __,, _ _ _ _ _ _ _ _ _ _ _ -t-_
__,
Stop
19 Least Significant Bits From
START
Bits
1 4 1 - - - - - - - - - -
the Arithmetic Unit
--------~~
ANALOG IN
DIGITAL IN
PERIPH IN
PERIPH OUT
MULTIPLE OUT (OR 8 BIT
ANALOG)
MULTIPLE OUT (OR 10
BIT ANALOG)
TIMED OUT
Transmission Error
REPLIES
1
1
1
Stop
Bits
DIGITAL IN (ALSO
FOLLOWS AN ANALOG
REQUEST)
ANALOG IN
PERIPH IN
*NON-DATA
"
4
W
M
M
M M
Q
Q
Q Q
GAIN
LLL
LLL
L L L
LLLl~I
L L L
L L L
7 BITS DATA
8 BITS DATA
L L L L L
10 BITS DATA
L L L
6 BITS COUNT
L L
L L L
Pulsed or Timed
Direction
Change Detector
0 0
0 1
13 BITS DATA
11 BITS DATA
1/0
Typer Input Request
Sign
12 BITS DATA
~
P. B. Parity Error
1 0
I
PE
7 BITS DAT A
Figure 11
Overloads
~
W
=
Analog Group Address Bit
M
=
Analog Matrix Address Bit
Q
=
Analog Point Address Bit
L
=
Address Bit
0
GE/PAC Remote Sc1111r Codes
* (Follows All Output Requests and
all
Error Transmissions
.)
0
START
41

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