4.1 Identification 5 Installation 5.1 Step 1: Safety 5.2 Step 2: Disconnection of the current line 5.3 Step 3: Connection of the cables to CcM1-DC 5.4 Step 4: Connection of CcM1-DC to the switch 5.5 Step 5: Communication 6 Operation 6.1 Operating modes...
1.1 CONTENTS OF THE BOX 1. INTRODUCTION Inside the box you should find: The CcM1-DC is one of the devices from the CcM • 2x CcM1-DC product range, which serves to measure DC current • 1x flat cable RS-485 of 1m with already crimped...
Please read and follow all the below safety instruc- Maximum operation current ±50 A tions and precautions before installation and use of Current measurement range the CcM1-DC device. [-30, +30] A in DC 3.1 SYMBOLS Current measurement error < 1 % F.S.
CcM family device must first read and understand this user manual, especially the safety recommendations. In Figure 1 the CcM1-DC is depicted. 3.10 GENERAL SAFETY REQUIRE- MENTS Operator The person in charge of handling the electrical device is responsible for the safety of persons and property.
• LED: This is a status LED that indicates opera- ting mode of the device. To install CcM1-DC follow these steps: • PUSH BUTTON: A push button to interact with the device. 5.1 STEP 1: SAFETY •...
5.4 STEP 4: CONNECTION OF CCM1-DC TO THE SWITCH Once the electric cable is inserted in the cable through-hole of the CcM1-DC, connect it to the pro- tection device by inserting the comb in the output current cable through-hole and tighten the bolt of the switch until it is held properly and connects to electricity (Figure 8).
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Failure to meet tor installed at the secondary bus input of the CcM1- this requirement could produce a short DC device. circuit between the signals that travel through the bus resulting in damage to the connected device. CcM1-DC Manual 2021...
6.1.1 Reading mode to in section 4. It is the default mode. The CcM1-DC is taking snaps- An external power supply source of 12 V will be nee- hot measures and the LED flashes twice every 10 ded to power the CcM1-DC connecting VDC and seconds to indicate that everything works correctly.
(255) will be sent. The communication with the CcM1-DC device will by default take place using the communication If you select the Reset mode of the CcM1-DC, the port RS-485 described above. device will go back to the default Modbus address “1”.
7. MEMORY MAP ID AND MEASUREMENT REGISTERS Modbus Description Length Type Unit register Product identification code DC current Arms x 100 Modbus ID Serial Number Table 2 CcM1-DC memory map CcM1-DC Manual 2021...
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