ES-7922 Rev.6
M6NXAT
Screw Terminal Ultra-Slim Signal Conditioners M6N Series
THERMOCOUPLE ALARM
(PC programmable)
Functions & Features
• 7.5-mm wide ultra-slim design
• Low profile allows the M6N module mounted in a 120-mm deep panel
• PC programmable
• Linearization and upscale and downscale burnout protection
• High-density mounting
• Power and status indicator LEDs
MODEL: M6NXAT–[1]–R[2]
ORDERING INFORMATION
• Code number: M6NXAT-[1]-R[2]
Specify a code from below for each of [1] and [2].
(e.g. M6NXAT-2-R/Q)
• Temperature range (e.g. 0 – 1000°C)
• Specify the specification for option code /Q
(e.g. /C01)
[1] INPUT THERMOCOUPLE
1
: (PR)
2
: K (CA)
3
: E (CRC)
4
: J (IC)
5
: T (CC)
6
: B (RH)
7
: R
8
: S
N
: N
0
: Specify (Please provide a emf table.)
(Configurator software is used to change the input type and precise range.)
OUTPUT
Relay; SPDT or transfer contact
POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[2] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
RELATED PRODUCTS
• PC configurator software (model: M6CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
GENERAL SPECIFICATIONS
Connection
Input and output
: M3 screw terminal (torque 0.5 N·m)
Power input
: Via the Installation Base (model: M6NBS)
or M3 screw terminal (torque 0.5 N·m)
Recommended solderless terminal
: Max. 5.8 mm (0.23”)
wide; Ones with insulation sleeve do not fit.
Applicable wire size: 0.2 – 2.5 mm
2
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output to power
Burnout
: Upscale standard; downscale or no burnout optional by programming
In case of upscale standard, the alarm operates as if the input signal has exceeded over the range.
Linearization
: Standard
Cold Junction Compensation
: CJC sensor incorporated
Power indicator LED
: Green LED turns on when the power is supplied.
Status indicator LED
: Orange LED; Blinking patterns indicate different operating status of the transmitter.
Alarm monitor LED
: Red LED turns on when the alarm is tripped.
Programming
: Downloaded from PC
Input type and range
Input fine adjustments
User’s Thermocouple table
Burnout (Upscale, downscale or no burnout)
Alarm setpoint (input %)
Trip action (High or Low)
Relay coil (energized or de-energized)
Power ON delay time (0 to 999 sec.)
Alarm ON delay time (0 to 999 sec.)
Hysteresis (deadband) (input %)
Alarm test, and others
Configurator connection
: 2.5 dia. miniature jack;
RS-232-C level
Factory default setting
Alarm setpoint
: 80 %
Trip action
: High
Relay coil at alarm
: Energized
Power ON delay time
: 5 sec.
Alarm ON delay time
: 0 sec.
Hysteresis (deadband)
: 1.0 %
Burnout
: Upscale
■Recommended solderless terminal (unit: mm [inch])
INPUT SPECIFICATIONS
Input resistance
: 1 MΩ min.
Burnout sensing
: ≤ 0.1 μA
Temperature range
: See Table 1.
If not specified, the input range is shown below.
1
PR: 0 – 1600°C
2
K: 0 – 1000°C
3
E: 0 – 500°C
4
J: 0 – 500°C
5
T: 0 – 300°C
6
B: 500 – 1600°C
7
R: 500 – 1600°C
8
S: 0 – 1600°C
N
N: 0 – 1000°C
OUTPUT SPECIFICATIONS
■
Relay Output
Relay rating
:
250 V AC @2 A (cos ø = 1)
30 V DC @2 A (resistive load)
Maximum switching voltage
: 250 V AC or 125 V DC
Maximum switching power
: 500 VA or 60 W
Minimum load
: 5 V DC @100 mA
Mechanical life
: 5 × 10
6
cycles (rate 180/min.)
INSTALLATION
Power consumption
: Approx. 0.5 W
Operating temperature
: -20 to +55°C (-4 to +131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Installation Base (model: M6NBS) or DIN rail
Weight
:
65 g (2.3 oz)
PERFORMANCE in percentage of span
Setpoint accuracy (trip point accuracy)
:
Accuracy in Table 1 + Cold junction compensation error
Cold junction compensation error
:
±3°C at 25 ±10°C
±5.4°F at 77 ±18°F
Temp. coefficient
: ±0.01 %/°C (±0.006 %/°F) of max. span
Response time
: ≤ 0.5 sec. (0 – 100 % at 90 % setpoint)
Burnout response time
: ≤ 1 sec.
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @1 minute (input to output to power to ground)
CALCULATION EXAMPLES OF SETPOINT ACCURACY
[Example] K thermocouple, 0 – 1000°C
Absolute value accuracy (Table 1): 0.25°C
CJC error (3°C) added: 3.25°C
Setpoint accuracy = 3.25°C ÷ 1000°C × 100 = 0.33 %
Table 1.
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Measurement Category II (output)
Pollution Degree 2
Input or power to output: Reinforced insulation (300 V)
Input to power: Basic insulation (300 V)
RoHS Directive
EXTERNAL VIEW
(With the cover open)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM