Intelligent Controller
27
（
2
）
Working voltage: 208-240V AC.
（
3
）
Frequency: 50/60Hz.
（
4
）
CT Input: 0.333Vac.
（
5
）
Communication port: RS-485 port.
（
6
）
Communication protocol: Modbus RTU.
Current transformer: Accu CT ACTL-0750-xxx
Parameters of Accu CT ACTL-0750-xxx.
（
1
）
Accuracy: 0.75%.
（
2
）
Frequency: 50 or 60 Hz.
（
3
）
Output Options: 0.333 Vac, 1 V, 100 mA.
（
4
）
Rated primary current of current transformer: Select according to table 2.
Table 2: Reference Table of Load and Mutual-Inductance Ratio
NOTE!
①
“xxx” indicates the full scale current rating.
②
WNC-3D-240-MB must match with Accu CT ACTL-0750-xxx for
operation.
Selection scheme 3
KWH meter model: SIEMENS SENTRON PAC3200
Parameters of SIEMENS SENTRON PAC3200
（
1
）
Measure the 3-phase voltage and electric current. Calculate the forward and
reverse active electricity quantity.
（
2
）
Voltage input: 95...240 V AC
、
50/60 Hz ±10 % Or 110...340 V DC ±10 %.
（
3
）
Measuring voltage: max 690V/400V AC (L-L / L-N).
（
4
）
Current input: x/5 A.
（
5
）
Communication port: (Ethernet can be expanded to be RS485).
Current transformer: comply with the following parameters.
Parameters of Current Transformer.
ODU capacity (Ton)
ODU capacity (KBTU/h)
Mutual-inductance ratio
6-8
72-96
50A
10-16
120-192
100A
18-24
216-288
150A
26-28
312-336
200A
30
360
250A
