Watlow Electric Series D8 Switch User Manual


 
Specifications
Operator Interface
32-character vacuum florescent display
8-key keypad to access guided menus and prompts,
set values and view channel displays
Built-in context sensitive help
Noise Rejection
120dB at 60Hz
Temperature Coefficient
40ppm/°C
Analog Inputs
Thermocouples: user selectable type, direct connection,
linearization, reference junction compensation, reversed
and shorted thermocouple detection and upscale break
protection with output averaging.
RTD: 2-or 3-wire, platinum, 100Ω @ 0°C, DIN curve.
Requires scaling resistors. See special inputs in ordering
information.
Linear: current and voltage signals from linear transmitter
Input Range and Accuracy
Sensor Range (°C) Range (°F) Accuracy
Type B 66 to 1760°C 150 to 3200°F ±4.0°C
Type E -200 to 787°C -328 to 1448°F ±1.0°C
Type J -212 to 760°C -350 to 1400°F ±1.2°C
Type K -268 to 1371°C -450 to 2500°F ±1.3°C
Type R -18 to 1766°C 0 to 3210°F ±2.8°C
Type S -18 to 1760°C 0 to 3200°F ±2.8°C
Type T -268 to 399°C -450 to 750°F ±1.6°C
RTD -200.0 to 621.1°C -328.0 to 1150.0°F ±0.5°C
Note: Accuracy @ 25°C (77°F) ambient. Valid for 10 to 100
percent of span except Type B, which is specified for
427°C (800˚F) to 1760˚C (3200˚F). RTD is for 100 per-
cent of span.
Linear Voltage and Current Inputs
Requires scaling resistors. See special inputs in ordering
information.
0-10mAÎ(dc)
0-20mAÎ(dc)/4-20mAÎ(dc)
0-100mVÎ(dc)
0-500mVÎ(dc)
0-1VÎ(dc)
0-5VÎ(dc)
0-10VÎ(dc)
0-12VÎ(dc)
Other ranges available. Consult factory.
Input Sampling Rate at 60Hz
Each channel has the following scans per second:
D84: 6 samples per second, (update time: 0.167 sec.)
D88: 3 samples per second, (update time: 0.333 sec.)
Internal Measurement Resolution
0.006 percent, greater than 14 bits
Calibration
Automatic zero and full scale
Digital Inputs
TTL level used for logic, remote alarm acknowledge,
selecting recipes or jobs
8 inputs with 50-pin terminal board option
3 inputs with 18-pin terminal block option
Digital Outputs
18 digital outputs are available with a 50-pin terminal
board option (See Figure 4 on previous page)
11 outputs available with 18-pin terminal block option
(See Figure 3 on previous page)
1 or 2 control outputs are user assigned for each loop
Each control output can be configured for on-off, time
proportioning or distributed zero crossing
Outputs sink up to 60mA each at 5VÎ(dc)
350mA at 5VÎ(dc) available from onboard supply
Alarm Outputs
Independent process and deviation alarms for each
channel
Alarms can operate any output not used for control
User programmable deadband, delay and startup
suppression
Global alarm output activates when any alarm occurs
Watchdog output indicates controller is functioning correctly
DeviceNet™ Interface
Fully compliant with the interface guidelines for DeviceNet™
on semiconductor manufacturing tools
Supports predefined master/slave connection set
Group two only slave device
Module status and network status LEDs
Rotary baud rate and node address switches
Hardware and software selectable baud rates: 125K, 250K
and 500K
Hardware and software selectable node address: 0 to 63
Supports polled I/O and explicit messaging connections
Polled I/O response: less than 1 millisecond
Explicit message response: less than 50 milliseconds
EDS (Electronic Data Sheet)
Connector: 5-pin, micro style, sealed, male
Optically isolated CANBUS interface
Bus plug-able while hot
Bus mis-wire protection
Line Voltage/Power
15 to 24 ± 3VÎ(dc) @ 1A (loaded) or 300mA (no load)
Agency Approvals
•UL
®
, C-UL
®
listed: UL
®
61010-1 safety requirements for
measurement, control and laboratory equipment
CE Mark: See Declaration of Conformity for details
ODVA conformance tested DeviceNet™