EKEPC2-C/S EPC EV Charge Controller

EKEPC2-C/S 是模式 3 级 2 的 EPC 电动汽车充电控制器，用于连接控制负载通断的交流接触器，最大电流可达 63 安培。

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ETEC EKEC1 Basic EV Charger

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产品简介

EKEPC2控制器采用Modbus-RTU协议，支持RS485通信，可通过通信向充电器发送读写命令。该控制器的附加功能包括：非接触式IC卡连接模块、剩余电流监测单元、DLB管理、液晶显示屏、电度表、电子锁、外部紧急停止按钮等。订购时需注意这些功能。

型号编制说明

技术数据

功能规格

模型规格说明	EKEPC2 客户端/服务器版
工作电压	交流 230 伏±10% 50 赫兹
输出 PWM 信号	10A,16A,20A,25A,32A/63A
输出控制交流接触器	被动触点
附加连接功能（可选）	1.RCMU 泄漏监测模式（交流 30 毫安 + 直流 6 毫安）2. 非接触式 IC 卡 3. DLB 当前余额模式 4. 电流传感器接入模式（直流 +12V 输出 0 – 5V） 5. 带有液晶显示屏
通信功能（可选）	1 路 RS485（Modbus-RTU）/RS232 2 路 RS485（Modbus-RTU）/RS232（主从模式）
输出辅助电压	DC12V/100mA、DC5V/100mA
环境温度	-40℃ ~+70℃
湿度	≤85%
知识产权学位	IP22
冷却方法	自然冷却
安装方法	DIN 导轨标准
重量	40g
	最大充电容量选择 10A、16A、20A、25A、32A，通过拨盘开关

控制器特性

EKEPC2 – C/S控制器是一种适用于电动汽车充电桩的产品。

软件修正说明，如EKEPC2。
最大充电容量指示为10A、16A、20A、25A、32A 或 6A、8A、10A、13A、16A，通过内部拨码开关选择（出厂默认设置为32A）。
“C”表示电缆版本，“S”表示插座（无电缆）版本。

选择控制器附加功能：

将拨码开关切换到“ON”，对应所需功能。

对应位置的功能描述如下：

“ON”位置：

开启LCD显示功能，需连接LCD屏幕。
开启动态负载平衡工作模式，需连接DLB电流监测设备、RS485通信kWH电表或电流互感器（CT仅适用于单相）。
插座版本工作模式。
开启RFID功能，需连接RFID模块和RFID卡。
开启电子锁功能，应连接电子锁。
开启DC6mA漏电电流保护功能，应连接RCMU。

“OFF”位置：

无需LCD屏幕。
无需DLB功能。
电缆版本工作模式。
无需RFID功能。
无需电子锁功能。
无需RCMU（DC6mA保护）功能。

EKEPC2 – C/S EVSE控制器 应用案例

以下是一个应用案例的示意图。

EKEPC2 – C/S EVSE协议控制器连接状态

No.	State Code	LED Color	LED State	PE、CP、PP state	Controller state	Remark
0	K	Red	5Hz flashing	Power self detect failed	Fault–1#	Power self-check failed! Please turn the power back on!
1	A	Blue	1Hz flashing	CP disconnection	Ready
2	l	Blue	2Hzflashing	Waiting for IC card	RFID Waiting
3	B	Blue	Stabilization	CP connect to diode+2.7KQ	Connected
4	B	Blue	Stabilization	CP connect to diode+1.3KQ	Connected
5	C	Green	Green brightening	CP connect to diode+2.7KQ parallel connect1.3KΩ	Charging
6	D	Red	Stabilization	CP connect to diode+2.7KQ parallel connect 1.3KQ parallel connect 270F Or CP connect to diode+270R Or CP connect to diode+270R parallel connect 2.7KQ Or CP connect to diode+270R parallel connect 1.3KQ	Fault–2#	Need Ventilation!
7	F	Red	1Hz flashing	CP line short circuit with PE line	Fault–3#	CP-PE short circuit! Please check the CP line
8	H	Red	5 Hzflashing	RCMU occurs residual current or self detect failed	Fault–4#	RCMU leakage or self-inspection failure
9	E	Red	2Hzflashing	Diode short circuit (Requirement waiting the CP disconnected)	Fault–5#	EV-Charing Socket Fault
10	G	Blue+Red	2Hzflashing	PP line disconnection	Fault–6#	SPLIT PP wire, Please check the PP line
11	J	Red+Green+Blue	2Hzflashing	Electromagnetic Lock failed	Fault–7#	Electronic Lock Disabled
12	L	Blue	5Hzflashing	IC card failed	Fault–8#	RFID card is not valid
13	M	Red+Green	1Hzflashing	Circuit overload,DLB Mode activated	Fault–9#	Circuit overload DLB Mode activated

EKEPC2-C/S 电动汽车充电控制器 RS485 通信说明
Modbus 通信协议，波特率：9600，8 位数据位，无校验位，1 位停止位地址：1 – 255 默认：255（广播地址）

Register address	Data description (power failure protection)	(R/W)	type of data	Defaults
86	Overvoltage protection value (0.01V)	R/W	16-bit integer	26500
87	Under-voltage protection (0.01V)	R/W	16-bit integer	16500
88	Overcurrent protection value (XX%)	R/W	16-bit integer	120
89	Remote start and stop (0 invalid, 1 start, 2 stop)	R/W	16-bit integer	0
90	1# Meter A-phase voltage address number (65535 is an invalid address)	R/W	16-bit integer	65535
91	1# Meter B-phase voltage address number (65535 is an invalid address)	R/W	16-bit integer	65535
92	1# Meter C-phase voltage address number (65535 is an invalid address)	R/W	16-bit integer	65535
93	1# total current address number (65535 is an invalid address)	R/W	16-bit integer	65535
94	1# total power address number (65535 is an invalid address)	R/W	16-bit integer	65535
95	1# Total KWH address number (65535 is an invalid address)	R/W	16-bit integer	65535
96	2# DLB current address of the meter (65535 is an invalid address)	R/W	16-bit integer	65535
97-99	spare	R/W	16-bit integer	0
100	Device address number	R/W	16-bit integer	255
101	DLB maximum startup current (0.01A)	R/W	16-bit integer	3500
102	DLB maximum protection current (0.01A)	R/W	16-bit integer	4500
103	Maximum current of DLB current transformer (0.01A)	R/W	16-bit integer	10000
104	DLB current sampling calibration coefficient	R/W	16-bit integer	1270
105-108	spare	R/W
109	Max Output Current PWM Duty cycle（*100）	R/W	16-bit integer	9000
110	RCMU function selection 0 disable 1 enable, other values are selected by DIP switch	R/W	16-bit integer	3
111	RFID function selection 0 disable 1 enable, other values are selected by DIP switch	R/W	16-bit integer	3
112	Lock function selection 0 disable 1 enable, other values are selected by DIP switch	R/W	16-bit integer	3
113	Cable function version selection 0 disable 1 enable, other values are selected by DIP switch	R/W	16-bit integer	3
114	DLB function selection 0 disable 1 enable, other values are selected by DIP switch	R/W	16-bit integer	3
115	PID control parameter P of DLB	R/W	16-bit integer	100
116	PID control parameter I of DLB	R/W	16-bit integer	1
117	PID control parameter D of DLB	R/W	16-bit integer	100
118-119	Controller ID number Up to 9 digits	R/W	32-bit integer	0
120	Temperature correction (how much difference is input) H	R/W	16-bit integer	1024
121		R/W	16-bit integer	0
122	Release temperature protection value	R/W	16-bit integer	600
123	Maximum temperature protection value	R/W	16-bit integer	700
124	Frequency correction (how much difference is input)	R/W	16-bit integer	65528
125	Duty cycle correction (how much difference is input)	R/W	16-bit integer	0
126	Trademark selection 0 none 1WATT 2VOLU	R/W	16-bit integer	0
127	Pole selection: 1P 3P Default: 1	R/W	16-bit integer	1
128	The first gear current setting value PWM	R/W	16-bit integer	1667
129	The second gear current setting value PWM	R/W	16-bit integer	2167
130	The third gear current setting value PWM	R/W	16-bit integer	3333
131	The Fourth gear current setting value PWM	R/W	16-bit integer	4167
132	The Fifth gear current setting value PWM	R/W	16-bit integer	5333
133	The sixth gear current setting value PWM	R/W	16-bit integer	5333
134-139	spare	R/W
140	Software version number	R	16-bit integer	1002
141	Current working status: Corresponding status 0-11	R	16-bit integer
142	PWM value for cable gauge	R	16-bit integer
143	RCMU status 00 is not selected 01 works normally 02 self-test failed 03 charging circuit has leakage	R	16-bit integer
144	RFID status 00 Not selected 01 IC card not operating 02 IC card closed 03 IC card open	R	16-bit integer
145	RFID status 00 Not selected 01 IC card not operating 02 IC card closed 03 IC card open	R	16-bit integer
146	Current value of the DLB function	R	16-bit integer
147	Current value of charging pile 0-200.0A	R	16-bit integer	temporarily invalid
148	Current voltage value of charging pile) 0-500.0V	R	16-bit integer	temporarily invalid
149	Current power value of charging pile 0-22000W	R	16-bit integer	temporarily invalid
150	Calibration value AD value of reference current	R	16-bit integer	temporarily invalid
151	PWM duty cycle corresponding to the current set by the rotary switch	R	16-bit integer
152	Current output PWM duty cycle	R	16-bit integer
153	CP positive voltage	R	16-bit integer	temporarily invalid
154	CP negative voltage	R	16-bit integer	temporarily invalid
155	Overcurrent count	R	16-bit integer	temporarily invalid
156	Small current count	R	16-bit integer	temporarily invalid
157	Current Temperature	R	16-bit integer
158	temperature AD	R	16-bit integer	temporarily invalid
159	1# meter A phase voltage	R	16-bit integer
160	1# meter B phase voltage	R	16-bit integer
161	1# meter C phase voltage	R	16-bit integer
162	1# meter current	R	16-bit integer
163	1# total power of the meter	R	16-bit integer
164-165	1# The total electricity of the meter	R	32-bit integer
166	2# The current on the DLB meter	R	16-bit integer

注意：1）寄存器地址：90 – 95 寄存器值为：a) = 65535，此时地址无效，所有数据将依照控制器设定值进行显示和判断。b) = 当外部通信地址为 1 时，控制器将读取电表中的相应值。见下表 1

如果启用了 DLB 功能且寄存器 96 的数据为 a) = 65535，控制器将读取外部电流互感器的采样值。b) = 具有外部通信地址 2 的电流表中电流值的寄存器编号，控制器将读取电流表中的电流值。请参见下表 1。

表1:

ADL200 或 ADL400 仪表，通信协议为 Modbus-RTU 9600，n,8,1；地址编号：01H

Name	Addr（Dec）	Length	Property	Type	Controller address
L 1 phase voltage	2304	4	Float	R	90
L 2 phase voltage	2306/65535	4	Float	R	91
L 3 phase voltage	2308/65535	4	Float	R	92
L 1 phase current	2310	4	Float	R
L 2 phase current	2312/65535	4	Float	R
L 3 phase current	2314/65535	4	Float	R
Average current	Jun-18	4	Float	R	93
Sum of three-phase current	2320	4	Float	R
Total active power	2322	4	Float	R	94
L1-2 line voltage	2324	4	Float	R
L1-2 line voltage	2326	4	Float	R
L1-2 line voltage	2328	4	Float	R
Three-phase line voltage average	2330	4	Float	R
There is always power	2332	4	Float	R	95

ADL200 或 ADL400 仪表，通信协议为 Modbus-RTU 9600，n,8,1；地址编号：02H

Name Addr（Dec） Length Property Type Controller address

Average current 2318 4 Float R 96

Maximum current 2334 4 Float R 96

表 2:

SDM120M/SDM73，通信协议：Modbus-RTU 9600，n，8，1；地址号：01H

Name	Addr（Dec）	Length	Property	Type	Controller address
L 1 phase voltage	0	4	Float	R	90
L 2 phase voltage	2	4	Float	R	91
L 3 phase voltage	4	4	Float	R	92
L 1 phase current	6	4	Float	R
L 2 phase current	8	4	Float	R
L 3 phase current	10	4	Float	R
Average voltage	42	4	Float	R
Average current	46	4	Float	R	93
Sum of three-phase current	48	4	Float	R
Total active power	52	4	Float	R	94
L1-2 line voltage	200	4	Float	R
L1-2 line voltage	202	4	Float	R
L1-2 line voltage	204	4	Float	R
Three-phase line voltage average	2.6	4	Float	R
There is always power	342	4	Float	R	95

SDM120M/SDM73 仪表，通信协议：Modbus-RTU 9600，n，8，1；地址编号：02H

Name	Addr（Dec）	Length	Property	Type	Controller address
Average current	Jun-46	4	Float	R	96
Max. current	396	4	Float	R	96

EKEPC2 – C/S 通信消息示例：DLB最大电流变更

将DLB中设置的最大电流更改为60.00A（6000），并将寄存器地址编号更改为102（66H）：

上位机发送：FF 06 00 66 17 70 72 1F

地址 + 功能码 + 起始地址编号高位 + 起始地址编号低位 + 数据高位 + 数据低位 + CRC校验

控制器回复：FF 06 00 66 17 70 72 1F

地址 + 功能码 + 起始地址编号高位 + 起始地址编号低位 + 数据高位 + 数据低位 + CRC校验

3.2 读取设备序列号（2022010158 — 7885 6D2E）：

上位机发送：FF 03 00 76 00 02 30 0F

控制器回复：FF 03 04 (6D 2E 78 85) 7A FA

其他数据包格式，请参阅Modbus国际通信协议标准。

安装

端子功能规格

S/No.	Mark	function	Specification
1	L	Live line	Product working power supply:AC230V±10%50Hz
2	N	Neutral line	Product working power supply:AC230V±10%50Hz
3	P1	Relay/contactor Al connect to L P1connect to N	AC contactor connected to the connection load of charging station
4	P2	Relay coil A2
5	FB	Reflect signal of the electromagnetic lock	This is the feeback signal on the electromagnetic lock directly to the passive contact output terminal of the electromagnetic lock
6	FBOV	Reflect signal of the electromagnetic lock
7	MH	Electromagnetic lock positive voltage	Provide positive and negative pulse voltage of electromagnetic lock,duty cycle outputpulse(1:3)and total pulse output maximum driving capacity of 500ms
8	ML	Electromagnetic lock negative voltage
9	+5V	DC+5V	External indicatorlight,DC5V/10mA drive capability
10	RED	Red LED
11	GRE	Blue LED
12	BLU	Green LED
13	TST NC OV	RCMU fault signal(DC5V), output terminal	When the controller detects this end signal,means this line occur fault (including≥DC6mA eakage signal),the controller will cut off the charging power,untill this fault signal is solved,the controller will automatic resumes the charging state
14	FLT	RCMU test signal(DC5V),	The controller outputs the test signal before each charging,using to check that the working ot
15	+5V	the input terminal	the RCMU whether normal
16	RFID	RFID-controlied input signal	The signal of external non-contact IC card reading module,input is TTL voltage signal,DC 3.3V/5V
17	CT1	Current transformer	When the controller requires DLB function,it requires connect to current transformer signal,the signal is:AC0-5A.This function can dynamically balance the power load,adjust the outputin time, control the charging current,and protect the safety of the power supply line
18	CT2	Current transformer
19	PE	Power supply	Earth terminal
20	CP	Connect to the vehicle CP	Communication connection with electric vehicle,output PWM wave
21	PP	Charging cable current dentification	When this end is a socket type charging station, t identify the current specification of charging cable
22	+5V	+5VPower Supply	Supply DC5V/100mA power output
23	A+	A+for RS485 Communications	It can communicate with RS485 equipment.The communication standard conforms to Modbus-RTU slave mode.Baud rate:38400,N,8,1 address number default:255(Broadcast address) See Table A for details
24	B-	B-for RS485 Communications