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| Modle | JB-TB-AT2020LH |
| Working voltage | AC 170V-AC260V / 50Hz |
| Typical power | 6W Max (Base unit) |
| Display | 2.8" TFT LCD |
| Communication | 4-20mA DC 3-wire, 32 channels with base unit, no limits for expansion. |
| Mounting type | 3U Rack |
| Relay output | Built-in four groups of passive programmable external control outputs (DC24V2A or AC220V/1A) |
| Output type | Hold / Pulse (Adjustable) |
| Host computer interface | RS485 |
| Transmission distance | 1200m Max |
| Compitable detector | Standard analog 4-20mA detector |
| Size | 482(W) x 152(H) x 133(D) mm |
| Capacity | 32 channels with base unit, no limits for expansion. |
| Wireless transmission | NB / 4G (Optional) |