18TK-86A/BL [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18-RACK;型号: | 18TK-86A/BL |
厂家: | M-SYSTEM |
描述: | Rack-mounted DCS Signal Conditioners 18-RACK DCS 分布式控制系统 |
文件: | 总4页 (文件大小:100K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: 18TK
Rack-mounted DCS Signal Conditioners 18-RACK
OUTPUT 1
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
THERMOCOUPLE CONVERTER
(fast response)
Functions & Features
[2] OUTPUT 2
• Accepting direct input from a thermocouple and providing
two standard process signals
Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
• 5-segment linearization
• Burnout protection
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
• High-accuracy cold junction compensation
• Second channel output available at the front terminals
and at the Standard Rack connector
• Fast response type
POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Typical Applications
• High-accuracy cold junction compensation benefits narrow
span measurements
[3] OPTIONS
Burnout
• 0.1 μA burnout sensing enables long distance
transmission with minimum offset drifts
• Electric furnace (isolation)
blank: Upscale burnout
/BL: Downscale burnout
/BN: No burnout
• No burnout type can connect to a single T/C in parallel
with a recorder
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
Connection
Input: M3.5 screw terminals (torque 0.8 N·m)
Output 1: Connector
Output 2: M3.5 screw terminals (torque 0.8 N·m)
and connector
Power input: Supplied from connector
Screw terminal: Nickel-plated steel
Isolation: Input to output 1 to output 2 to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Linearization: Standard
MODEL: 18TK–[1]6[2]–R[3]
ORDERING INFORMATION
• Code number: 18TK-[1]6[2]-R[3]
Specify a code from below for each of [1] through [3].
(e.g. 18TK-266-R/BL)
Cold junction compensation: CJC sensor attached to the
input terminals
• Temperature range (e.g. 0 – 800°C)
[1] INPUT THERMOCOUPLE
1: (PR) (Usable Range 0 to 1760°C, 32 to 3200°F)
2: K (CA) (Usable range -270 to +1370°C, -454 to +2498°F)
3: E (CRC) (Usable range -270 to +1000°C, -454 to +1832°F)
4: J (IC) (Usable range -210 to +1200°C, -346 to +2192°F)
5: T (CC) (Usable range -270 to +400°C, -454 to +752°F)
6: B (RH) (Usable range 0 to 1820°C, 32 to 3308°F)
7: R (Usable range -50 to +1760°C, -58 to +3200°F)
8: S (Usable range -50 to +1760°C, -58 to +3200°F)
N: N (Usable range -270 to +1300°C, -454 to +2372°F)
0: Specify
18TK SPECIFICATIONS
ES-1813 Rev.1 Page 1/4
http://www.m-system.co.jp/
MODEL: 18TK
Line voltage effect: ±0.1 % over voltage range
INPUT SPECIFICATIONS
Input resistance: 20 kΩ minimum
Burnout sensing: 0.1 μA
Minimum span: 3 mV
Offset: Max. 1.5 times span
Minimum span (in °C)
(PR): 370°C
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to output 1 or output 2 or power)
500 V AC @ 1 minute
(output 1 to output 2 to power)
1500 V AC @ 1 minute
(input or output or power to ground)
K (CA): 75°C
E (CRC): 50°C
J (IC): 60°C
T (CC): 75°C
B (RH): 780°C
R: 360°C
S: 380°C
N: 110°C
Minimum span (in °F)
(PR): 670°F
K (CA): 140°F
E (CRC): 90°F
J (IC): 110°F
T (CC): 140°F
B (RH): 1410°F
R: 650°F
S: 690°F
N: 200°F
For the temperatures that range below 0°C, the transmitter
may partially not satisfy the described accuracy. Consult
factory.
INSTALLATION
Current consumption: Approx. 35 mA with voltage output
Approx. 65 mA with current output
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Standard Rack 18BXx or 18KBXx
Weight: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.4 % (at over 400°C or 750°F for R, S and PR;
over 770°C or 1420°F for B)
Cold junction compensation error
(at 20°C ±10°C or 68°F ±18°F)
K, E, J, T, N: ±0.5°C or ±0.9°F
S, R, PR: ±1°C or ±1.8°F
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
(at over 400°C or 750°F for R, S and PR; over 770°C or
1420°F for B)
Response time: Approx. 25 msec. (0 – 90 %)
Burnout response: ≤ 10 sec.
18TK SPECIFICATIONS
ES-1813 Rev.1 Page 2/4
http://www.m-system.co.jp/
MODEL: 18TK
EXTERNAL DIMENSIONS unit: mm (inch)
2–M3
SCREW
8–M3.5
7 (.28)
SCREW
7 (.28)
24 (.94)
32 (1.26)
78 (3.07)
TERMINAL ASSIGNMENTS
7
8
5
6
1
2
3
4
r
b
CJC SENSOR (model: CJM)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Burnout
Protection
comp. leadwire
T / C
Z
S
Z
S
Isolation
+
Low Drift
Amplifier
Voltage/
Duty Cycle
Output
Driver
+
1
5
6
+
–
Linearizer
OUTPUT 2
–
metal leg
–
Output
Driver
2
3
4
7
8
CJC
SENSOR
OUTPUT 1
OUTPUT 2
POWER
*
red
CJC Sensing
Volt. Generator
model: CJM
black
*Deleted with B thermocouple
For OUTPUT 2 with current output, use either of termonals on the front or connector on the rear.
18TK SPECIFICATIONS
ES-1813 Rev.1 Page 3/4
http://www.m-system.co.jp/
MODEL: 18TK
Specifications are subject to change without notice.
18TK SPECIFICATIONS
ES-1813 Rev.1 Page 4/4
http://www.m-system.co.jp/
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