Honeywell International Inc. KSN770 用户手册
Draft
Page 3-35
6 Dec 2012
34-70-06
SYSTEM INSTALLATION MANUAL
066-01204 / 066-01213
© Honeywell International Inc. Do not copy without express permission of Honeywell.
B.
XYZ Heading
J1-21
HEADING VALID
This pin is configurable on the Maintenance page for either valid high or valid low. An open
HEADING VALID pin always indicates invalid.
HEADING VALID pin always indicates invalid.
J1-77
HEADING X
J1-58
HEADING Y
J1-59
HEADING Z
Three-wire XYZ format with Z grounded. Input impedance is no less than 10 kilohms. Maximum
lead-to-lead voltage is 11.8 Vrms.
lead-to-lead voltage is 11.8 Vrms.
NOTE: To accept this input HEADINGVALID (J1-21) must be valid. The 26 VAC used to excite the
heading source synchro must be of the same phase as the KSN 7xx 26 VAC reference
input.
input.
J1-6
HDG REF HI
This is the indicator 26 VAC reference. Input impedance no less than 10 kilohms.
J1-7
HDG REF LO
This pin serves as the 26 VAC return. Impedance to AC GND less than 0.1 ohm.
3.8.5
Interconnect Diagram
Refer to Figure 3-7 for the heading interface - XYZ interconnect diagram.
Refer to Figure 3-8 for the AHRS interface interconnect diagram.
HI:
No less than 18.5 VDC (or two-thirds the voltage applied to the
18-33 VDC AC POWER).
18-33 VDC AC POWER).
Load Resistance:
No more than 3.5 VDC. Input impedance no less than 10 kilohms.
Draft as of 10/15/2012