JRC JCY-1800 - Page 82

4. Cabling
JCY-1800/1850 VDR/S-VDR Installation Guide
72
DOC No. 7ZPJD0387C
4.2.9. Recording Control Unit NDV-1800/1850 – Gyro output the Synchro/Step signal
The following cables are connected to the Recording Control Unit for recoding Heading sentence converted
from synchro/step signal.
1) Synchro signal
RCU
Term #
DSC
Term #
Signal Name
CHM-378
TB1002
Synchro signal OUT
1 [S1] S1 Syncro1
2 [S2] S2 Syncro2
3 [S3] S3 Syncro3
4 [Ref1] R1 Reference-1
5 [Ref2] R2 Reference-2
Cable Cramp Cable Cramp SHIELD
Cable Specification 5 x 0.75 mm
2,
, Shielded
Default interface condition:
Primary voltage AC50-115V, 50/60Hz
Secondary voltage AC20-90V, 50/60Hz
Ratio 36 / 90 / 180 / 360 / 1
Direction Order / Reverse
2) Step signal
RCU
Term #
DSC
Term #
Signal Name
CHM-378
TB1001
Step signal OUT
1 [S1] S1 Syncro1
2 [S2] S2 Syncro2
3 [S3] S3 Syncro3
4 [COM] COM Common
Cable Cramp Cable Cramp SHIELD
Cable Specification 4 x 0.75 mm
2,
, Shielded
Default interface condition:
Voltage DC24V / 35V / 50V / 70V
Ratio 36 / 90 / 180 / 360 / 1
Direction Order / Reverse