nVent 920 Controller Settings and Programming
This Page Covers the nVent 920 Controller's Programming and Settings in Great Depth.
Introduction
In this article, we'll delve into the intricacies of the nVent 920 Controller, exploring its settings, programming capabilities, and the myriad ways it enhances operational efficiency. From configuring alarms to fine-tuning control parameters, we'll leave no stone unturned as we uncover the full potential of this versatile device.
Whether you're a seasoned professional seeking to optimize your heat management system or a newcomer looking to harness the power of cutting-edge technology, this article is your definitive guide to unlocking the capabilities of the nVent 920 Controller. Join us as we embark on a journey to explore the fascinating world of industrial heat management.
Resources:
Digitrace 920 Operator Console Manual
920 Series HTC CONFIGURATION SHEET V3.11 TO V3.14
| Configuration Mode Main Menu | Other Alarms Configuration Sub-Menu | ||
| Parameter | Factory | Parameter | Factory |
| Control Setpoint | 68°F (20C) | Lo Load | Enable |
| Lo TS 1 | 14°F (-10C) | Lo Load | 1.0 A |
| Lo Load | 1.0A | Lo Load Filter | 0 sec |
| Hi GFI | 50 mA | Hi Load | Disable |
| GFI Trip | 75 mA | Hi Load | *n/a (30.0A) |
| Hi Load Filter | *n/a (0 sec) | ||
| TS Alarms Configuration Sub-Menu | Hi GFI | Enable | |
| Parameter | Factory | Hi GFI | 50 mA |
| TS 1 Fail | Enable | Hi GFI Filter | 0 sec |
| Lo TS 1 | Enable | GFI Trip | Enable |
| Lo TS 1 | 14°F (-10C) | GFI Trip | 75 mA |
| Hi TS 1 | Disable | Lo Volt | Enable |
| Hi TS 1 | *n/a(212°F(100°C)) | Lo Volt | 90 V |
| TS 2 Fail | Disable | Lo Volt Filter | 0 sec |
| Lo TS 2 | Disable | Hi Volt | Disable |
| Lo TS 2 | *n/a (14°F(-10°℃)) | Hi Volt | *n/a (270 V) |
| Hi TS 2 | Disable | Hi Volt Filter | *n/a (0 sec) |
| Hi TS 2 | *n/a (212°F(100℃)) | Lo Resist | Disable |
| Lo TS Filter | 0 min | Lo Resist | *n/a (50%) |
| Hi TS Filter | *n/a (0 min) | Lo Resist Filter | *n/a (0 sec) |
| Latch TS Alarms | Yes | Hi Resist | Disable |
| TS CTL Fail | Enable | Hi Resist | *n/a (50%) |
| Hi Resist Filter | *n/a (0 sec) | ||
| Nominal Resist | *n/a (6.00 (2) | ||
| Overcurrent Trip | Enable | ||
| Switch Fail | Enable | ||
| HTC Reset | Disable | ||
| C.B. Limiting | Disable | ||
| Power Limiting | Disable | ||
| Switch Limiting | Disable | ||
| Contactor Count | *n/a (Enable) | ||
| Contactor Count | *n/a (200,000) | ||
| EEROM Data Fail | Enable | ||
| Point Setup Sub-Menu | Common Setup Sub-Menu | |||
| Parameter | Factory | Parameter | Factory | |
| Tag | TAG-(factory ID) | Temp. Units | °F | |
| Switch Control Mode | Proportional | Version | V3.1x | |
| Prop Band | 4°F (2°C) | Ext. Input | Not Used | |
| Deadband | *n/a (5°F(3C)) | Ext. Output | Not Used | |
| Cycle Time | *n/a (10 min) | Flash Alarm Output | Yes | |
| Switch Rating | 30.0 A | Alarm Output | N.C. | |
| Circuit Breaker | 30.0 A | Language | English | |
| Max Power | 7200 W | Point B Used | Yes | |
| 3 Ph Pwr Calc | No | Passcode | 0 | |
| TS Fail Mode | Off | Scroll Delay | 0.15 secs | |
| TS CTL Mode | TS1-Fail Off | Copy Config ... | (see user manual) | |
| TS 1 Type | 100Ω Plat | |||
| TS 1 Lead Resist | *n/a (0 (2) | Communication Setup Sub-Menu | ||
| TS 1 Hi Limit | Disable | Parameter | Factory | |
| TS 2 Type | 1000 Plat | Protocol | HTCBUS | |
| TS 2 Lead Resist | *n/a (0 Ω) | HTCBUS Addr | (factory ID) | |
| TS 2 Hi Limit | Disable | Modbus Addr | *n/a (1) | |
| Volt Source | Pt. A (or Pt. B) | Modbus Sub Addr | *n/a (0) | |
| Fixed Volt | *n/a (120V) | Baud Rate | AUTO | |
| Volt Turns Ratio | 1.00 to 1 | Parity | *n/a (None) | |
| Current Turns Ratio | 1.00 to 1 | Hardware | None, Modem, RS-232, RS-485 | |
| Auto-cycle | Enable | Driver | Auto | |
| Auto-cycle Interval | 8 | Profile | Auto | |
| Auto-cycle Units | Hours | Tx Delay | 0.06 secs | |
| Override Source | Remote | *n/a: Parameter may only appear if certain features are enabled. Values shown in brackets are the Factory defaults if the settings are enabled | ||
| Load Shedding | Disable | |||