BK Precision 1785B User Manual

26
9
th
byte
Byte 3 of present output voltage
10
th
byte
Power supply’s state
11
th
byte To set the low byte of current value
12
th
byte
To set the high byte of current value
13
th
byte Byte 0 of the maximum voltage value
14
th
byte
Byte 1 of the maximum voltage value
15
th
byte
Byte 2 of the maximum voltage value
16
th
byte
Byte 3 of the maximum voltage value
17
th
byte
Byte 0 of output voltage value
18
th
byte
Byte 1 of output voltage value
19
th
byte
Byte 2 of output voltage value
20
th
byte
Byte 3 of output voltage value
21
st
to 25
th
byte
System reserve
26
th
byte
Check sum
8. Entering the calibration mode（0x27)
1
st
byte
Start bit(0xAA)
2
nd
byte
Address(0x00~0xFE)
3
rd
byte
Command(0x27)
4
th
byte
Calibration protection state
5
th
byte Calibration password(0x28)
6
th
byte
Calibration password(0x01)
7
th
to 25
th
byte
System reserve
26
th
byte
Check sum
Note:
1. We use 4 bytes to represent the maximum voltage value as follows:
Byte 3
Byte 2
Byte1
Byte0
2. We use 1 byte to represent power supply’s state. Each bit is defined as
follows:
From higher bit to lower bit
7
6
5
4
3
2
1
0
0 bit
：
The output state, 0 is OFF, 1 is ON.
1 bit
：
Over heat protection, 0 is normal, 1 is abnormal.
2
、
3 bit: The output mode, 1 is CV mode, 2 is CC mode,3 is Unreg mode.
4
、
5
、
6 bit
：
The fan speed, 0 is stop, 5 is the maximum fan speed.
7 bit
：
Operation state, 0 is front panel operation mode, 1 is remote control
mode.
3. The frame format is the same as above

BK Precision 1785B Specifications

General

Brand	BK Precision
Model	1785B
Category	Power Supply
Language	English