MODEL: M6DXAR
Alarm test, and others
Configurator connection: 2.5 dia. miniature jack;
RS-232C level
Factory default setting
Alarm setpoint: 80%
Trip action: High
Relay coil at alarm: Energized
Power ON delay time: 5 seconds
Alarm ON delay time: 0 seconds
Hysteresis (deadband): 1.0%
Burnout: Upscale
INPUT SPECIFICATIONS
INPUT: 2- or 3-wire RTD
Maximum leadwire resistance: 10 Ω per wire
Sensing current: ≤ 1.5 mA (≤ 0.15 mA for Pt 1000)
Minimum span: 20°C or 36°F
If not specified, the input range is 100°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.)
0
50
100
Input
(%)
▲
Setpoint
Output
(3–4)ON
(3–2)ON
• Setting Example
Hi alarm (coil energized at alarm) or
Lo alarm (coil de-energized at alarm)
Alarm Trip Operation
Terminal No. in parentheses
Trip operation in power failure
: Terminals 3 – 4 turn ON.
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: M6DBS) or DIN rail
Weight: 65 g (2.3 oz)
PERFORMANCE in percentage of span
Setpoint accuracy (trip point accuracy)
Pt and JPt: Whichever greater ±0.1 % of input range or
±0.15°C
Cu10: ±1°C
Temp. coefficient: ±0.01 %/°C (±0.006 %/°F) of max. span
Response time: ≤ 1 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] Input type Pt 100, Input range 0 – 100°C
Setpoint accuracy
*1
(0.15°C
*2
) / Span (100°C) × 100 %
*1. Calculate the accuracy in °C
*2. 100 °C × 0.1 % = 0.1 °C ≤ 0.15 °C. 0.15 °C is used as
input accuracy value.
STANDARDS & APPROVALS
CE conformity:
EMC Directive (2004/108/EC)
EN 61000-6-4 (EMI)
EN 61000-6-2 (EMS)
Low Voltage Directive (2006/95/EC)
EN 61010-1
Overvoltage Category II
Pollution Degree 2
Max. operating voltage 250 V (relay output circuit)
Input or power to output: Reinforced insulation
Input to power: Basic insulation
Rugghölzli 2
CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
www.sentronic.com
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