-26-
Control Port Functions
1
R
Reset Input
I
2
SCL
IIC BUS SCL
I
3
SDA
IIC BUS SDA
I/O
4
A05
FAN_CONT1
FN901,FN902 = Intake Fans
O
5
A06
FAN_CONT2
FN905 = Exhaust Fan
O
6
A07
FAN-7_SW for Cooling Lamp Bottom FN907 ON = H
O
7
A08
Not used
O
8
VrefL
DAC Lower Reference Voltage input
-
9
VrefU 1
DAC Upper Reference Voltage input (CH5~CH8)
-
10
Vss
GND
-
11
VrefU 2
DAC Upper Reference Voltage input (CH1~CH 4)
-
12
A01
FAN_CONT4
FN903 = Cooling Fan for PBS
O
13
A02
FAN_CONT5
FN907 = Cooling Fan for Lamp Bottom
O
14
A03
FAN_CONT6
FN906 = Cooling Fan for Lamp Front
O
15
A04
FAN_CONT7
FN904 = Cooling Fan for Power Board
O
16
Vcc
Power Supply for Output Buffer (12V)
-
17
Vdd
Power 5V
-
18
CS2
Slave address setting port 2 (Vdd)
I
19
CS1
Slave address setting port 1 (Vdd)
I
20
CS0
Slave address setting port 0 (Vdd)
I
Pin No.
Name
Function
I/O
●
IIC Bus D/A Converter (IC7801, M62399FP) Port Functions
* Following information differs from the previous chassis No. MR3-XP5500, others are the same;
- The pin 6 of IC7801 for FAN-7_SW has been added.
