Simrad GC80 - 10.2 DTERM board

Simrad GC80/GC85 Dual Gyro Compass
98 20221537 / D
PIN NO NAME DETAILS
62 ST21
63 ST22
64 ST23
Step signal (open drain signal)
65 ST24 -24V DC for step signal output 2
66 ST25 +24V DC for step signal output 2
67 ST31
68 ST32
69 ST33
Step signal (open drain signal)
70 ST34 -24V DC for step signal output 3
71 ST35 +24V DC for step signal output 3
72 OCACN2 Not used
10.2 DTERM board
TB21
PIN NO NAME DETAILS
1 N+ No 2 Master compass power supply (24V DC)
2 N-
No 2 Master compass power supply (24V DC
common)
3 AL1
No 2 Master compass inverter alarm
(over current)
4 AL2
No 2 Master compass inverter alarm
(over voltage)
5 ALC
No 2 Master compass inverter alarm
(common)
6 MT+
7 MT-
No 2 Control unit – master compass serial
signal
8 MR+
9 MR-
No 2 Master compass – control unit serial
signal
10 MSC No 2 Serial signal common
11 EA+
No 2 Master compass encoder signal
(A phase +)
12 EA-
No 2 Master compass encoder signal
(A phase -)
13 EB+
No 2 Master compass encoder signal
(B phase +)
14 EB-
No 2 Master compass encoder signal
(B phase -)