tel: (+44) 1625 618526 | email: dh@electroserv.co.uk
West 4400 1/4 DIN Profiler Controller
TECHNICAL DATA
| Features | |
| Control Types | Full PID with Pre, Self or Manual Tuning. Heat, Heat & Cool or Valve Motor applications |
| Auto/Manual | Selectable from front panel, with bumpless transfer |
| Output Configuration | Up to 3 total. Max 2 for control (Heat & Cool), max 2 for Alarms, max 1 for retransmit PV or SP |
| Alarm 1 & 2 Types | Process high, process low, SP deviation, band, logical OR and hysteresis. Also 1 loop alarm |
| Human Interface | 6 buttons, 13mm & 10mm high LED's, 8 digit message display, plus status LED indicators |
| PC Configuration | Off-line configuration, profile editing & tracker, via config socket (comms option not required) |
| Profiles | |
| Number of Programs | 8, each with 16 free-form segments (Ramp/Dwell/Join/Repeat/End). Max seg. length 99 hrs 59 mins |
| Auto Hold | Fully programmable. Holds program if PV is outside of specified hold band. |
| EOP Relay | Fitted as standard. Indicates program running or program ended. |
| Delayed start | Max 99 hours 59mins delay from initiation to program start |
| Real Time Clock Option | Allows programmed start on specific days, and intelligent power fail recovery |
| Input | |
| Thermocouple | J, K, R, S, T, B, L, & N. |
| RTD | 3 Wire PT100, 50 Ohm per lead maximum (balanced) |
| DC Linear | 0-20/4-20mA, 0-50/10-50mV, 0-5/1-5/0-10/2-10V. Scaleable -1999 to 9999, dec point available |
| Impedance | >100M Ohm for Thermocouple and mV ranges, 47K Ohm for V ranges and 4.7 Ohm for mA ranges |
| Accuracy | +/- 0.25% of input span +/- 1 LSD (T/C CJC better than 0.7°C) |
| Sampling | 4 per second, 14 bit resolution approximately |
| Sensor Break Detection | < 2 secs (except zero based DC ranges), control O/P's turn off, *high alarms activate (*low for RTD inputs) |
| Output and Options | |
| Control & Alarm Relays | Contacts SPDT 2Amp resistive at 240V AC, >500,000 operations (EOP relay 5A 240V >100,000) |
| Control SSR Outputs | Drive capability >4.3V DC in 250 Ohm (10V 500 Ohm version available) |
| Control DC Outputs | 0-20/4-20mA into 500 Ohm max, 0-10/0-5V into 500 Ohm min. Accuracy typically +/- 0.5% |
| Retransmit Outputs | 0-20/4-20mA into 500 Ohm max, 0-10/0-5V into 500 Ohm min. Accuracy typically +/- 0.25% |
| Event Output Option | 4 program segment event relays, contacts SPST 5Amp resistive at 240V AC, >100,000 operations |
| Remote Program Ctrl | Volt-free/TTL inputs for Run/Hold, Abort, X60 (mins/secs) and program selection. |
| Communications | 2 Wire RS485, 1200 to 9600 Baud, West ASCII and Modbus (selectable) |
| Operating and Environmental | |
| Temperature & RH | 0 to 55°C (-20 to 80°C storage), 20% to 95% RH non-condensing |
| Power Supply | 100 to 240V 50/60Hz 7.5VA (optional 20 to 50V AC 7.5VA/22 to 65V DC 4W) |
| Front Panel Protection | IEC IP66 (Behind panel protection is IP20) |
| Approvals and Certification | CE, UL & Ulc |
DIMENSIONS
CONNECTION DETAILS
ORDER CODE
MAIN FEATURES
- Free-form programming
- Delayed start
- Auto Hold
- Modbus & ASCII comms
- Program End/Run relay
- Power fail recovery
- Self-tuning algorithms
- PC support software
OVERVIEW
The West 4400 is a powerful Programmer, packed with innovative features to control complex processes. Metal treatment and environmental chambers are typical applications for the 4400.
