Address
Address
（HEX）
Description BIT Type Range Instruction
Factory
Default
Correspondence
102 0x66 Device address 2 READ 1-255
1
1：1
103 0x67 Baud rate 2 READ 0-3
2
1：1
104 0x68 Instrument model 6 READ RP1500
ASCii
105 0x69 ph/orp-MA high alarm 1 READ 0/1
ASCii
106 0x6A
℃-MA low alarm
1 READ 0/1
ASCii
107 0x6B System language 2 READ/WRITE 0/1
0
1：1
108 0x6C
Channel 1
measurement mode
2 READ/WRITE 0-2
0
1：1
109 0x6D
Channel 2
measurement mode
2 READ/WRITE 0-2
0
1：1
110 0x6E Temperature mode 2 READ/WRITE 0-1
0
1：1
111 0x6F Manual temperature 2 READ/WRITE -1000—+1000
250
10：1
112 0X70
Automatic offset
temperature
2 READ/WRITE -1000—+1000 0
10：1
113 0X71
Temperature
compensation
coefficient
2 READ/WRITE -500—500 0
100：1
114 0X72 Minute 2 READ 0—59 0
1：1
115 0X73 Hour 2 READ 0—11 0
1：1
116 0X74 Day 2 READ 1—31 1
1：1
117 0X75 Month 2 READ 1—12 1
1：1
118 0X76 Year 2 READ 1—12 2000
1：1
119 0X77 System password 2 READ/WRITE 0000—9999 0000
1：1
120 0X78
Relay 1 operation
mode
2 READ/WRITE 0-1 0
1：1
121 0X79
Relay 1 PH high trigger
value
2 READ/WRITE 0—1400 1000
100：1
122 0X7A
Relay 1 PH low trigger
value
2 READ/WRITE 0—1400 400
100：1
123 0X7B
Relay 1 ORP high
trigger value
2 READ/WRITE -2000—+2000 1000
1：1
124 0X7C
Relay 1 ORP low
trigger value
2 READ/WRITE -2000—+2000 -1000
1：1
125 0X7D
Relay 1 PH hysteresis
value
2 READ/WRITE 0—1400 50
100：1
126 0X7E
Relay 1 ORP hysteresis
value
2 READ/WRITE -2000—+2000 100
1：1
127 0X7F
Relay 2 operation
mode
2 READ/WRITE 0-1 1
1：1
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