Maeda MK0003, Service Manual, Page: 183 / 348

2-155
• TTC36X (upper part) I/O
No. Port Function Definition
Contact when Hi
Remarks
0 152 Main boom angle ratiometric
1 140 Jib angle ratiometric
2 151 Main boom length ratiometric
3 139 Jib length ratiometric
4 150
Pressure sensor 1
ratiometric
5 138
Pressure sensor 2
ratiometric
6 149
Slewing angle 1
ratiometric
7 137
Slewing angle 2
ratiometric
0 263
Dead turns stop LS Pull dow n 1.8k Ohm During dead turns: Open (Low)
Short
1 256
Ov erwinding detection LS Pull dow n 1.8k Ohm During ov erwinding: Open (Low)
Short
2 262
Boom angle lower limit LS Pull dow n 1.8k Ohm When at lower limit: Short (Hi)
Short
3 255
4 261
5 254
Boom angle upper limit LS Pull dow n 1.8k Ohm When at upper limit: Short (Hi)
Short
6 260
7 253
0 275
1 268
2 274
3 267
4 116
5 104
6 115
7 103
No. Port Function Remarks
0 118
1 106
2 117
3 105
0 120
1 108
2 119
3 107
0 122
1 110
2 121
3 109
LS power supply Firm output
1 132
Extension/contraction switching valve 1
Acceptable to check output abnormality
2 143
Raising/lowering switching valve 2
Acceptable to check output abnormality
3 131
Indicator lamp: green
Acceptable to check output abnormality
4 142
Indicator lamp: yellow
Acceptable to check output abnormality
5 130 Indicator lamp: red
Acceptable to check output abnormality
6 141
Overwinding sensor power supply
Firm output
7 129
Warning buzzer output
Acceptable to check output abnormality
0 136 5V
Main boom length, angle, pressure
0 148
1 135 5V Jib length, angle
1 147 5V Slewing angle
TTC36X (upper part)
Input system Internal setting
IN Analog
・
Rpu
：
2020 Ω (2.4mA)
・
Rpd
：
220 Ω (4-20mA)
・
Rin
：
100k Ω (0.05mA)
Sensor supply (5V)
Output system Internal setting
OUT PWM
OUT
Low-side
IN Digital
・
Rpu
：
9k Ω (0.5mA)
・
Rpd
：
9k Ω (1.3mA)
・
Rpd
：
2k Ω (6.0mA)
・
Rpu
：
9k Ω (0.5mA)
・
Rpd
：
9k Ω (1.3mA)
・
Rpd
：
1.8k Ω (6.6mA)
・
Rpd
：
110 Ω (7/14mA)
(PWM
Current
IN)
OUT Hi-side
0 144
IN Digital Timer
・
Rpu
：
9k Ω (0.5mA)
・
Rpd
：
9k Ω (1.3mA)