Table of Contents
Advertisement
CHAPTER 1: GETTING STARTED
1.2.5
RTT Unit Specifications
RTT DESKTOP TEST SET– INSTRUCTION MANUAL
LED INDICATOR LIGHTS
A single green LED is provided for each digital input from and output to the relay under
test.
CONTROL POWER
RANGE:
Nominal AC Voltage: .....................................100 V to 240 V AC at 50/60 Hz
Min/Max AC Voltage:.....................................85 V / 250 V AC at 47 to 63 Hz, 70 mA max.
AT 120 VAC INPUT
Nominal: ............................................................3 VA
Maximum:..........................................................5 VA
AT 240 VAC INPUT
Nominal: ............................................................6 VA
Maximum:..........................................................14 VA
1
FUSE
5 × 20mm, 80 mA, 250V
Time-lag fuse
Manufacturer and part number: ...........LITTELFUSE: 218.080
CURRENT OUTPUT
AT 120 VAC INPUT
Range: ................................................................0 to 3 A AC at 0.08 Ω CT Relay Burden
AT 240 VAC INPUT
Range: ................................................................0 to 6 A AC at 0.08 Ω CT Relay Burden
Tolerance: ..........................................................±10%
VOLTAGE OUTPUT
AT 120 VAC INPUT
Range: ................................................................0 to 40.0 VAC
AT 240 VAC INPUT
Range:..................................................................0 to 80.0 VAC
Tolerance: .........................................................±10%
RTD OUTPUT (NON-LINEAR)
For Wire Type: ..................................................3 wires
For Sensor Type: .............................................100 Ω platinum, 100 Ω nickel, 120 Ω nickel
Resistance: ........................................................110 to 160 Ω
Tolerance: ..........................................................±5%
DIGITAL INPUTS
DRY:
Contact Resistance: ......................................< 10 mΩ
Insulation Resistance: ..................................> 1000 MΩ
WET:
DC Voltage:........................................................23.4 VDC @ 200mA
Tolerance: ..........................................................±5%
1. Fuse Replacement:
- Disconnect Power Supply and remove fuse from its holder.
- Replace with a 80 mA, 250 V, time-lag fuse. Use ONLY fuses indicated in above specifications.
ABOUT YOUR NEW RTT UNIT
7
Advertisement
Table of Contents
