TC310VP Instruction Manual
Powtier Controls Limited
TECHNICAL SPECIFICATION
INPUT
Thermocouple Standard
ASTM E230, BS4937, DIN 43710.
Cold junction compensation
Automatic.
Thermocouple break protection
Upscale fitted as standard, display shows "bbb." (b:blank)
Downscale fitted as an option.
Resistance Thermometer 2 or 3 wire
Any lead resistance error is automatically reduced by
using 3 wires.
RTD (Pt 100)
BS 1904, DIN 43760.
VALVE POSITION OUTPUT
Motor supply voltage
24Vac to 240Vac (EXTERNAL STEP DOWN
TRANSFORMER REQUIRED).
Output twin triacs rating
2Arms, 24Vac to 240Vac.
Feedback potentiometer
100 to 1000 Ohms.
CONTROL
PID control
Proportional, Integral and Derivative.
Proportional band Xp
2.5% to 15% of span.
Integral time ti
Switching integral time 5 to 40 minutes.
Derivative time
td Switching derivative time 0.5 to 5 minutes.
PD control (option)
Proportional and derivative.
Proportional band Xp
2.5% to 15% of span.
Derivative time td
0.5 to 5 minutes.
Manual reset
PD control only, 0 to 50% output power at span.
ON/OFF control (option)
Hysteretic 0.5% of span.
ALARMS OUTPUTS (option)
Relay
Normally energised and de-energised in alarm
conditions. 2A resistive at 230Vrms.
Alarm LED
Flashing LED at fascia.
Low deviation
Adju0.5% to -8% of span.
High deviation
Adjustable -0.5% to +8% of span.
Band deviation
Adjustable 1.5% to 8% of span.
RETRANSMISSION SIGNAL (option)
Analogue signal
5V, 5mA max.m signal linear to span.
ENVIRONMENTAL
Supply voltage
115/230V +/-15% 50/60Hz
100/200V +10% -15% 50/60Hz.
Operating temperature
0 to 50 °C.
Storage temperature
-20 to +80 °C.
PERFORMANCE
Indication accuracy
Better than 0.5% of span +/-1 digit.
Supply voltage variation
Negligible effect within operating range.
GENERAL
Display digit
3 digit 7 segment with negative sign display;
digit size 13mm height by 7.4mm width.
Error indication
9 LED display bar; central LED +/- 0.4% of span
+/-1 degree and +/-0.8% of span +/-1 degree
per LED above and below setpoint.
Dimensions
96x96x190mm.
Weight
2Kg maximum.
Power consumption
6VA maximum.
14 March 1995
- 7 -
310VPIM
Issue 2.0