Measurement Computing TempBook rev.4.0 - Manual (Page 13)

TempBook User’s Manual 04-26-01 Introduction and Quick Start 1-3
Digital I/O
Inputs
Number: 8 fixed as inputs
Usage: General-purpose register addressable or high-speed scanned via channel sequencer
Type: TTL-compatible
High Voltage: 2.0 V min
Low Voltage: 0.8 V max
Outputs
Number: 8 fixed as outputs
Usage: General-purpose register addressable
Type: TTL-compatible
High Voltage: 3.0 V @ 2.5 mA source
Low Voltage: 0.4V @ 2.5 mA sink
Trigger Input
Type: TTL-compatible
High Voltage: 2.0 V min
Low Voltage: 0.8 V max
Counter/Timer Port
Device: 8254 (P0 only)
Number: 1 gate input, 1 clock input & 1 output
Clock: Internal 100 kHz or external up to 10 MHz
Usage: Register addressable
Type: TTL compatible
Input High Voltage: 2.0 V min
Input Low Voltage: 0.8 V max
Output High Voltage: 3.0 V @ 2.5 mA source
Output Low Voltage: 0.4 V @ 2.5 mA sink
Temperature Specifications
Thermocouple Accuracy
(TempBook/66 @ 0 to 50°C) Thermocouple Resolution (°C)
Type Min Max Accuracy
(°C ) (°C ) (<°C ) (>°C ) Type <0°C >0°C
J -200 760 ±0.9 ±0.9 J 1.2 0.5
K -200 1260 ±2.4 ±1.5 K 1.1 0.8
T -200 400 ±2.1 ±1.2 T 0.8 0.3
E -270 1000 ±2.1 ±1.3 E 1.9 0.9
N28 -270 400 ±1.2 ±1.2 N28 0.9 0.9
N14 - 1300 - ±1.5 N14 - 5.0
S - 1780 - ±2.4 S - 1.6
R - 1780 - ±2.4 R - 1.5
B +900 1820 - ±2.7 B - 1.8