Page 16
Voltage Regulator EEPROM Power Pressure Pressure TTL-Level (Digital Input Sensor Serial 16 bit Micro- Data) Analog processor Digital Temperature Converter Power Sensor Control...
Page 18
Shaded blocks represent command codes executed in the microprocessor...
Page 20
I = M2 IC = 0 RR = 0 OP=A 5.16 5.12 5.08 5.04 Integration time 5.00 HPB pressure output Integration Time = 0.2 sec 4.96 Actual pressure (I=M2 sets 2x100 msec/sample) 4.92 Time (sec) Integration Time (1 sec) Pressure (psi) 5.24...
Page 22
±40 x 0.005% FS = ±0.20%FS. 1106 Then setting DS=C1 selects the center 1104 deadband option with a 10x multiplier. HPB pressure output For a 1200 hPa full scale device, this 1102 Actual pressure results in a ±2.4 hPa deadband window.
Page 23
(Multi-Drop only) Synchronize Integration - SI I = M4 IC = 0 RR = 0 Pressure Value: OP = A Integration (I=) Cycle: Time (sec) Integration time send SI command (start new I= cycle) HPB pressure output...
Page 24
Ring Network Signal Ground ID=01 ID=02 ID=03 Group=93 Group=91 Group=91 Signal Ground ID=06 ID=05 Host Processor ID=04 Group=93 Group=91 Group=93 GD - Signal Ground TD - Transmit RD - Receive...
Page 31
Binary Binary Format Decimal Least 6 Format Decimal Least 6 Character Value Value Binary Value Significant Bits Character Value Value Binary Value Significant Bits 0100 0000 000000 ‘ 0110 0000 100000 0100 0001 000001 0010 0001 100001 0100 0010 000010 "...
Page 32
Computer ID=01 T - Transmit or Host REPLY Group=90 R - Receive Processor...
Page 33
ID=01 ID=02 ID=03 Computer Group=90 Group=92 Group=91 T - Transmit or Host R - Receive Processor (1) See Table 4 for types of sequential response commands. Indicates there is no reply for this timing location...
Page 46
Ring Configuration only Multi-Drop Configuration only...
Page 59
Signal Name Transmit Receive Case Ground Common Ground (GD) HPB Connector DC Power In (pins - top view of HPB) Power Control HPB Mating Connector Conxall (Switchcraft) P/N 6282-6SG-3XX Newark Stock no. 89F4115 Host Computer Transmit* RS-232 Receive RS-232 Transmit Receive* conduit gnd.
Page 60
Y msec Command Input 0-1 byte Digital Pressure Reading Output X msec (See Tables 7 and 8 for X times) When I=Mn mode or I=R30 (or less) mode: . . . 200 msec 200 msec 200 msec Integration period . . . Calculation 10 msec (nom.) .
Page 61
. . . Integration period 50 msec 50 msec 50 msec . . . Calculations 10 msec (nom.) . . . Digital Pressure Reading Output X msec 16.7 msec 50 msec (See Tables 7 and 8 for X times) When I=R31 (or more) mode: .
Page 62
(1) Time is same for No, Even, or Odd parity selection (1) Includes character ASCII Binary...
Page 65
DIMENSIONS ARE IN INCHES (CENTIMETERS) .535 (1.33) .440 (1.12) .975 (2.48) 1.800 1.550 (4.57) (3.94) 2.200 (5.59) 2.450 (6.22) | V — Mounting Holes: #4-40 x .500 (1/27) 4 places, back side only...
Page 66
*ASCII - American Standard for Coded Information Interchange...