| Model | HX9 | HX7 | HX2 | HX3 | HX4 |
| Appearance | | | | | |
| W x H x D (㎜) | 96 x 96 x 63 | 48 x 96 x 63 | 72 x 72 x 63 | 96 x 48 x 63 | 48 x 48 x 63 |
| Power supply | 100 – 240 V a.c (±10%), 50/60 ㎐ |
| Power consumption | 6 W max, 10 VA max |
| Input | Type | Refer to “input code for input type and range” |
| Sampling cycle | 62.5 ms |
| Accuracy | ±0.5% of F.S(refer to “input code for input type and range”) |
| Allowable voltage | Within ±20 V d.c (VDC), within ±10 V d.c (TC, RTD) |
| Reference junction compensation accuracy | ±3.5℃ (0 ~ 50℃) |
| Operation after input break | T.C : OFF, UP/DOWN RTD : UP |
| Control output | Relay | NO : 5 A 250 V a.c, 5 A 30 V d.c (resistive load) NC : 3 A 250 V a.c, 1 A 30 V d.c (resistive load) |
| S.S.R(voltage pulse) | ON voltage : 12 V d.c min, OFF voltage : 0.1 V d.c max Load resistance 600 Ω min |
| S.C.R(current) | range : 4 – 20 mA (±5%), accuracy : ±0.2 mA Load resistance 600 Ω max |
| Retransmission output | range : 4 – 20 mA (±5%), accuracy : ±0.2 mA Load resistance 600 Ω max |
| Alarm output | 5 A 250 V a.c, 5 A 30V d.c (resistive load) |
| Contact input | OFF resistance : 10 ㏀ min, ON resistance : 1 ㏀ max |
| Control | Method | ON/OFF, P.I.D control |
| Output operation | Reverse operation, Direct operation |
| Anti-reset windup | Auto(A=0), 0.1 ~ 100.0 % |
| Interface | Standard | EIA RS 485 |
| Max connection unit | 31 units (but, ADDRESS setting : 1 ~ 99) |
| Communication method | 2 wire half duplex |
| Data transmission | asynchronous |
| Communication sequence | None |
| Communication distance | 1.2 km max |
| Communication Speed | 2400, 4800, 9600, 14400, 19600 BPS (selectable by parameter) |
| Start bit | 1 BIT |
| Data length | 7 or 8 BIT |
| Parity bit | NONE, EVEN, ODD |
| Stop bit | 1 or 2 BIT |
| Protocol | PC.LINK, PC.LINK SUM, MODBUS-ASCII, MODBUS-RTU |
| Response time | Processing time in receiving + (response time X 10 ms) |
| 2 degrees of freedom P.I.D | 1 ~ 100% of proportional band |
| Insulation resistance | 20 ㏁ min (primary terminal – secondary terminal) |
| Dielectric strength | 2,300 V a.c, for 1 minute (primary terminal – secondary terminal) |
| Operating ambient temperature | 0 ~ 50℃, (without condensation) |
| Operating ambient humidity | 35 ~ 85% R.H (without condensation) |
