The LC-221 is an easy-to-use dimming ballast control module that requires no specialist skills to install and operate. It provides two methods of controlling the brightness of fluorescent lamps via a dimmer, either via digital input or a host controller. The digital input can directly control the light value from 10% to 100% luminous fl ux in sequence, without requiring a remote host controller. 4 kV ESD protection and 2500 VDC intra-module isolation are also provided. When required, communication with the LC-221 is programmable based on the Modbus RTU protocol, and an added benefit is that different addresses can be set for Modbus RTU communication via hardware configuration.
Analog Output |
Channels |
1 |
Type |
0 ~ 20 mA, 4 ~ 20 mA, 0 ~ 10 V, 1 ~ 10 V |
Resolution |
12-bit |
On Level |
Close to GND |
Accuracy |
+/-0.1% of FSR |
DA Output Response Time |
10 ms |
Voltage Output Capability |
20 mA |
Current Load Resistance |
450 Ω |
Digital Input |
Channels |
1 |
Type |
Wet |
On Voltage Level |
80 VAC ~ 240 VAC |
Off Voltage Level |
30 VAC Max. |
Input Impedance |
68 KΩ, 1 W |
Relay Output |
Channels |
1 |
Type |
Power Relay, Form A (SPST N.O.) |
Operating Voltage |
250 VAC or 30 VDC |
Max. Load Current |
16 A (Res. load) |
Operate Time |
15 ms Max. |
Release Time |
5 ms Max. |
Mechanical Endurance |
10,000,000 OPS |
Electrical Endurance |
50,000 OPS |
Power-on and Safe Value |
Yes, programmable |
Communication |
Interface |
RS-485 |
Format |
N, 8, 1 |
Baud Rate |
1200 ~ 115200 bps |
Protocol |
DCON, Modbus RTU |
Node Addresses |
64 ~ 95 |
Connector |
RJ-11 (6P4C or 6P6C) |
LED Display |
Power |
1 LED as Power Indicator |
Isolation |
Intra-module Isolation, Field-to-Logic |
2500 VDC |
EMS Protection |
ESD (IEC 61000-4-2) |
±4 kV contact for each Terminal |
±4 kV Air for Random Point |
EFT (IEC 61000-4-4) |
±4 kV for Power |
Power |
Reverse Polarity Protection |
Yes |
Powered from Terminal Block |
Yes, 10 ~ 30 VDC |
Consumption |
1.4 W Max. |
Mechanical |
Dimensions (W x L x H) |
52 mm x 98 mm x 27 mm |
Installation |
Screw Mounting |
Environment |
Operating Temperature |
-25°C ~ +75°C |
Storage Temperature |
-30°C ~ +80°C |
Humidity |
10 ~ 95% RH, Non-condensing |
LC-221 CR |
1-channel Dimmer Control Module (RoHS) |
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