Zhejiang CHINT Instrument & Meter Co., Ltd. DTSU666 Series - Wiring Instructions; Wiring Diagrams and Connections; Programming Parameters

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AC 3×220/380V；
AC 3×230/400V
AC
5(80)A
400imp/kWh(imp/kvarh)
Pulse signal
output
Supply active
、
reactive energy optical signal and
optocoupler collector open-circuit electrical signal impulse
output, pulse length:80±16ms
。
Auxiliary
function
Protocol
Support MODBUS-RTU communication Consultation,
Baud rate support 2400bps, 4800bps, 9600bp.
Note 1：the other performance index, indoor table reference IEC 62053 - 21 requirements.
2. Wiring instructions:
Figure 1 DTSU666-□series Figure 2 DSSU666-□series
Figure 3 DTSU666-□series Figure 4 DSSU666-□series
Current signal wire
1-------L1*(phase L1 current input line) 3------L1(phase L1 current output line)
4-------L2*(phase L2 current input line) 6------L2(phase L2 current output line )
7-------L3*(phase L3 current input line) 9------L3(phase L3 current output line )
Voltage signal wire
2-------L1(phase L1 voltage line) 5-------L2(phase L2 voltage line)
8-------L3(phase L3 voltage line) 11-------UN(Neutral line)
RS485 communication line
15-------A（RS485-A） 16-------B（RS485-B）
Energy pulse output line
20-------active ,reactive energy pulse + 21------- Energy pulse –
3. Instructions of programming parameters
Instruction of keys: “ ” means “confirm”， “ ”means “exit”, “ ”means “add”. Input
the password(assumed to be 701),enter the submenu item of “system settings”(when the system is set
to third rows of digital display, the first row of hidden):