GE 8617-FT-NI Field Terminal, non-incendive, for 16 ch DI
8205-TI-IS• 8 input channels
• Intrinsically safe field circuits
• Thermocouple and mV
• Cold junction compensation
(internal or remote)
• Built-in thermocouple linearisation
• Channels independently configurable
• Open-circuit field wiring detection
MODULE SPECIFICATION
See also System Specification
INPUTS
Number of channels
• 8
THC inputs
• B,E,J,K,N,R,S or T to EN 60584-1: 1995;
• W3 and W5 to ASTM E 988-96
• Russian K and Russian L to rOCT 3044-84
• User definable linearisation table, NOTE 1
Temperature drift
• < ± 0.003% of span/°C
Cold junction compensation error*
• < ± 1°C (– 40 to + 70°C)
Resolution
• 16 bits
Common mode rejection
• >87 dB @ 50/60 Hz
Series mode rejection
• >50 dB @ 50/60 Hz
Common mode voltage between channels
• ± 5 V (max.)
Absolute maximum input voltage
• ± 30 V
Isolation (any channel to Railbus)
• 60 V peak
CONFIGURABLE PARAMETERS
Sensor type
• User selectable
Alarms
• High and low
Input dead zone
• User defined value
Selectable input filtering
• Off / 2 reading avgerage / running avgerage
Drive on open circuit fault
• Disabled / upscale / downscale
Channel status
• Active / Inactive
Cold junction compensation
• Enable / disable / channel number
RESPONSE TIME
Analog signal change to availability on Railbus
• 600 ms (max.)
SAFETY
Field wiring protection
• [EEx ia] IIC
Safety Description (each channel)
• Channels 1, 2, 3, 4, 7 and 8, wired as separate
IS circuits – Uo
= 16.4 V, Io
= 79 mA, Po
= 0.33 W
8-channel Analog Input
Thermocouple and mV
• Channels 5 and 6, wired as separate IS circuits –
Uo
= 1 V, Io
= 1.1 mA, Po
= 0.3 mW
(Input terminals are equivalent to non-energy storing apparatus)
FM entity parameters
• Channels 1, 2, 3, 4, 7 and 8, wired as separate IS
circuits – Voc = 16.4 V, Isc = 63.7 mA, Po = 131mW
• Channels 5 and 6, wired as separate IS circuits –
Uo
= 1 V, Io
= 1 mA, Po
= 0.25 mW
POWER SUPPLIES
IS Railbus (12V) current
• 120 mA (max.)
Power dissipation within module
• 1.5 W (max.)
MECHANICAL
Module Key Code
• C1
Module width
• 42 mm
Weight
• 245 g
NOTE 1: Consult GE for support in BIM/configurator.
* Cold junction compensation located in recommended field terminal.
In addition, see error table in System specification section
Input type Range
Thermocouples B 0 to +1820°C
E –270 to +1000°C
J –210 to +1200°C
K –270 to +1372°C
N –270 to +1300°C
R & S –50 to +1768.1°C
T –270 to +400°C
W3 & W5 0 to +2315°C
Russian K -200 to +1300°C
Russian L -200 to +800°C
mV –8 to +24 mV
–20 to +60 mV
–33.333 to +100 mV
–100 to +100 mV

8206-TI-IS
• 8 input channels
• Intrinsically safe field circuits
• RTD and Ω
• 2-, 3- and 4-wire RTD format
• Channels independently configurable
• Channels are o/c failure independent
MODULE SPECIFICATION
See also System Specification
INPUTS
Number of channels
• 8
RTD inputs
• (2-, 3- or 4-wire)
• Pt100, Pt500 to BS EN60751: 1996
• Ni120 to DIN 43 760: 1985
• jPt100 to JIS C1604: 1981
• User definable linearisation table, NOTE 1
Cable resistance per loop
• 50 W (max)
RTD excitation current
• 211 μA (nom.)
Compliance voltage of current source
• 6.8 V
Resolution
• 16 bits
Series mode rejection
• >50 dB @ 50/60 Hz
Isolation (any channel to Railbus)
• 60 V peak
CONFIGURABLE PARAMETERS
Sensor type
• User selectable
Alarms
• High and low
Input dead zone
• User defined value
Selectable input filtering
• Off / 2 reading average / running average
Drive on open circuit fault
• Disabled / upscale / downscale
Channel status
• Active / Inactive
Offset (2-wire RTD mode)
• User defined value
RESPONSE TIME
Signal change to availability on Railbus
• 600 ms (max.)
SAFETY
Field wiring protection
• [EEx ia] IIC
Safety Description (all channels combined)
• Uo
= 16.4 V, Io
= 217 mA, Po
= 0.9 W
FM entity parameters
• Voc = 16.4 V dc , Isc = 350 mA, Po
= 718 mW
POWER SUPPLIES
IS Railbus (12V) current
• 120 mA (max.)
Power dissipation within module
• 1.5 W (max.)
8-channel Analog Input
RTD and Ω
MECHANICAL
Module Key Code
• C3
Module width
• 42 mm
Weight
• 245 g