West - P6170, P8170, P4170 valve motor controller

Features:

Control types

Full PID with Pre-tune, Self-tune and manual tuning modes

Valve control

Open Loop Valve Motor Drive

Auto/Manual

Selectable from front panel or via digital input, with bumpless transfer

Output configuration

Up to 4 possible, two required for valve control, additional outputs for alarm,
24VDC transmitter power supply or retransmit of process value or setpoint

Alarm 1 & 2 types

Process high, process low, SP deviation, band, logical OR / AND. Also 1 loop alarm for process control security.
Process alarms have adjustable hysteresis

Human Interface

4 button operation, dual 4 digit 10mm & 8mm (6170+ and 8170+) and 13mm & 10mm (4170+) high LED displays,
optional choice of colours (Red/Red, Red/Green, Green/Red or Green/Green), plus 5 LED indicators

PC configuration

Off-line configuration from PC serial port to dedicated configuration socket (communications option not required).
Configuration Software for Windows 98 or higher. West Part Number: PS1-CON

Input:

Thermocouple

J, K, C, R, S, T, B, L, N & PtRh20%vsPtRh40%

RTD

3 Wire PT100, 50Ω per lead maximum (balanced)

DC Linear

0 to 20mA, 4 to 20mA, 0 to 50mV, 10 to 50mV, 0 to 5V, 1 to 5V, 0 to 10V, 2 to 10V.
Scaleable -1999 to 9999, with adjustable decimal point

Impedance

>10MΩ for Thermocouple and mV ranges, 47KΩ for V ranges and 5Ω for mA ranges

Accuracy

±0.1% of input range ±1 LSD (T/C CJC better than 1°C)

Sampling

4 per second, 14 bit resolution approximately

Sensor break detection

<2 seconds (except zero based DC ranges), control O/P’s turn off, high alarms activate
for T/C and mV ranges, low alarms activate for RTD, mA or V ranges

Outputs & Options:

Control & alarm relays

Contacts SPDT 2 Amp resistive at 240V AC (120V AC Max for direct VMD), >500,000 operations.
(1A 2xSPST 200,000 operations for Dual Relay)

Control SSR driver outputs

Drive capability >10V DC in 500 minimum

Triac outputs

0.01 to 1 Amp AC, 20 to 280Vrms, 47 to 63Hz. 140V Max for direct VMD

DC linear outputs

0 to 20mA, 4 to 20mA into 500Ω max, 0 to 10V, 2 to 10V, 0 to 5V into 500Ω min.
Accuracy ±0.25% at 250Ω (degrades linearly to 0.5% for increasing burden to specified limits)
Retransmit of PV or SP Only

Transmitter power supply

Output 24VDC (nominal) into 910Ω minimum to power external devices

Serial Communications

2 Wire RS485, 1200 to 19200 Baud, Modbus protocol

Digital input

Selects between 2 setpoints or Auto/Manual control. Volt free or TTL input

Remote setpoint valve

0 to 20mA, 4 to 20mA, 0 to 5V, 1 to 5V, 0 to 10V or 2 to 10V. Scaleable -1999 to 9999

Position auxiliary input

For Valve Position Indication or Remote Setpoint Input

Operating & 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 48V AC 7.5VA/22 to 65V DC 5 watts)

Front panel protection

IEC IP66 (Behind panel protection is IP20)

Standards

CE, UL & ULC recognised

Input

Jumper free configuration for any type (no extra parts required)

Option Slot 1

Part Number

Relay output

PO1-C10

Linear mA/V DC Output

PO1-C21

SSR Driver Output

PO1-C50

Triac Output

PO1-C80

Option Slot 2

Part Number

Relay output

PO2-C10

Linear mA/V DC Output

PO2-C21

SSR Driver Output

PO2-C50

Triac Output

PO2-C80

Dual Relay Output

PO2-W09

Option Slot 3

Part Number

Relay output

PO2-C10

Linear mA/V DC Output

PO2-C21

SSR Driver Output

PO2-C50

24VDC Transmitter PSU

PO2-W08

Option Slot A

Part Number

Digital Input

PA1-W03

Auxiliary Input (Basic)

PA1-W04

RS485 Comms

PA1-W06

Input

Jumper free configuration for any type (no extra parts required)

Option Slot 1

Part Number

Relay output

PO1-C10

Linear mA/V DC Output

PO1-C21

SSR Driver Output

PO1-C50

Triac Output

PO1-C80

Option Slot 2

Part Number

Relay output

PO2-C10

Linear mA/V DC Output

PO2-C21

SSR Driver Output

PO2-C50

Triac Output

PO2-C80

Dual Relay Output

PO2-W09

Option Slot 3

Part Number

Relay output

PO2-C10

Linear mA/V DC Output

PO2-C21

SSR Driver Output

PO2-C50

24VDC Transmitter PSU

PO2-W08

Dual Relay Output

PO2-W09

Option Slot A

Part Number

Digital Input

PA1-W03

Auxiliary Input (Basic)

PA1-W04

RS485 Comms

PA1-W06

Option Slot B

Part Number

Auxiliary Input (Full)

PB1-W0R