English
– 76,800 bps communication speed
-50 ms sampling cycle (4 channels)
– 4-channel relay / voltage / current output
– 8 Event outputs
– Maximum 31 unit connections
– Stop / Monitor / Operation mode
– Ramp function
Suffix code
| [ML-D2H] |
| Model | Code | Description | |||
| ML-D | □ | □ | □ | Modular temperature controller | |
| Channels | 2 | 2 Channel | |||
| function | H | Heating & Cooling control (simultaneous) HBA (Heater break alarm) |
|||
| Output-type | MM | OUT1 : Relay / OUT2 : Relay | |||
| SM | OUT1 : SSR / OUT2 : Relay | ||||
| SS | OUT1 : SSR / OUT2 : SSR | ||||
| CM | OUT1 : 4-20㎃ d.c / OUT2 : Relay | ||||
| CS | OUT1 : 4-20㎃ d.c / OUT2 : SSR | ||||
| CC | OUT1 : 4-20㎃ d.c / OUT2 : 4-20㎃ d.c | ||||
| [ ML-D4 ] |
| Model | Code | Description | |
| ML-D | □ | □ | Multi loop controller |
| Channels | 4 | 4 Channel | |
| Output type | M | Relay | |
| S | SSR (12Vd.c.) | ||
| C | SCR (4-20㎃ d.c.) | ||
| [ ML-E ] |
| Model | Description |
| ML-E | Module type 8 events output unit |
· Specification
| + Input |
| Thermocouple | K, J, E, T, R, B, S, L, N, U, W, PL2 | Each channel selected by INP parameter |
| RTD | Pt100 Ω, KPt100 Ω | |
| DC voltage | 0–100mV d.c., 1-5Vd.c., 0-10Vd.c. | |
| Sampling period | 50 ms | |
| Input display resolution | Generally below input range’s decimal point | |
| Input impedance | Thermocouple and voltage power input : over 1 MΩ | |
| Admissible input resistance’s impact | Approx. 0.2 uV/Ω | |
| Admissible input leading wire resistance | Thermoresistance (below 10Ω. but, the resistance of 3 wires should be the same) |
|
| Admissible input voltage | within -2-5Vd.c. (Thermocouple, RTD), within -5-12Vd.c. | |
| Input correction | ±100% of Input range. | |
| Reference Junction Complementary Error | ±1.5 ℃ (0 ~ 50 ℃) | |
| Burn-Out Detection | UP-SCALE | |
| + Output |
| Control output | RELAY | 1a contact |
| 250Va.c. 3A, 30Vd.c. 3A | ||
| SSR | Limit to approximately 25mA when shorted more than about 12Vd.c. (load resistance: over 600Ω) |
|
| Time resolution: control period 0.1% or the high part among 10ms | ||
| SCR | 4-20mAd.c. (Load resistance : lower than 600Ω) | |
| Precision : ±0.1 % of FS (4-20mA d.c. range) |
| + Quality |
| Display range | ±0.3% of Input range, ±1 Digit |
| Insulation resistance | Over 500Vd.c. 20 MΩ (For Power and input part) |
| Withstand voltage | 750Va.c. (For power and input part) |
| + Control |
| Control method | ML-D2H | PID (Heating/Cooling simultaneous control) / 2 DOF PID (Single control) / ON-OFF control |
| ML-D4 | 2-DOF PID / ON-OFF control | |
| Control operation | Selectable between reverse operation (heating) / direct operation (cooling) (through DR parameter setting) | |
| Proportional band | 0 ~ 100 % of FS | |
| Integral time | 0 ~ 3,600 Seconds | |
| Derivative time | 0 ~ 3,600 Seconds | |
| Cycle time | 1 ~ 100 Seconds | |
| ON/OFF control | It is possible to set up when proportional band is 0. | |
| Manual reset | It is possible to set up manual reset when integral time is 0 second | |
| Alarm setting range | 0 ~ 100% of input range (Absolute alarm), ±100 % of input range (Deviation alarm) | |
| Alarm hysteresis | Through EVHY parameter setting | |
| Alarm type | Through EVTY parameter setting (18 types) | |
| Heater Break Alarm | ML-D2H | Applicable in ON/OFF control, time proportional control output (Detection is possible when output ON/OFF time is less than 0.2 seconds.) Measuring current: 1 – 5 Aa.c. (resolution: 0.5Aa.c. ± 5 % of FS ± 1 Digit) CT model name for Heater break alarm: CT-50N |
| + RS232 communication |
| Communication protocol | RS-232 EIA standard |
| Max. communication range | 15 m |
| Communication speed | 9600 bps |
| Start bit | 1 bit |
| Data length | 8 bit |
| Parity bit | Even |
| Stop bit | 1 bit |
| Supported protocol | PC-Link |
| + RS485 communication |
| Communication protocol | RS-485 EIA standard |
| Number of maximum connection | 31 units |
| Communication method | 2 wires half duplex |
| Max. communication range | 1200 m |
| Communication process | No process |
| Communication speed | 9600, 19200, 38400, 57600, 76800 bps [Initial value : 9600] |
| Start bit | 1 bit |
| Data length | 7, 8 bits [Initial value : 8] |
| Parity bit | None, Odd, Even [Initial value : Even] |
| Stop bit | 1 , 2 bits [Initial value : 1] |
| Response time | Receiving processing time + (response time X 10 ms) |
| Supported protocol | PC-Link , PC-Link with SUM, Modbus ASCII/RTU [Initial value : PC-Link] |
| + Power supply specification |
| Power voltage | 24Vd.c. | |
| Voltage regulation | ±10 % of power voltage. | |
| Consumption voltage |
Below 3W | ML-E |
| Below 5W | ML-D4M, ML-D2HMM | |
| Below 7W | ML-D4C, ML-D2HSM, ML-D2HSS | |
| Ambient temperature | 0 ~ 50 ℃ | |
| Ambient humidity | 35 ~ 85 % RH (But, not dew condensation ) | |
| System requirements | Not in a poisonous gas, not in a magnetic filed or in a place where dust is present. | |
| Storage temperature | -25 ~ 65 ℃ | |
| Weight | Approx. 220g (Excludes the packing box) | |
