Appearance: Round/Half-guard type LED voltage-reduction lighting,
(with Voltage Reduction Unit) A22L-H.
Output: SPST-NO + SPST-NO.
Lighting: LED.
Operating voltage: 200 VAC.
Operation: Alternate operation (self-holding).
Illumination color: R (red); Y (yellow); G (green); W (white); A (blue).
Install in 22-dia. or 25-dia. Panel Cutout.
(When Using a Ring).
Lever for easily mounting and removing the Switch Unit XE-QA277-2
Increase wiring efficiency with three-row mounting of Switch Blocks.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type.
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models).
IP65 (lighted models). Safety outputs *3: Instantaneous, 3(Semiconductor);
OFF-delayed*2, 2 (Semiconductor).
Auxiliary outputs *4: 2(Semiconductor).
Logical AND connection: Inputs, 1(Semiconductor); Outputs, 1(Semiconductor).
No. of input channels: 1 or 2 channels.
Max. OFF-delay time *1: 15 s.
Rated voltage: 24 VDC.
Terminal block type: Screw terminals.
Logical AND Function Adds Flexibility to I/O Expansion.
Facilitates partial or complete control system setup.
Solid-state outputs (excluding Expansion Units).
Detailed LED indications enable easy diagnosis.
TÜV SÜD certification for compliance,
with IEC/EN61508 (SIL3), EN ISO13849-1 (PLe/Safety Category 4).
Approved by UL and CSA.
New unit joins the Series with the following two additional features:
-OFF-delay time of up to 150 seconds can be set.
-Two logical AND connection inputs. Size: 1/4 DIN 96 × 96 × 78 (W × H × D).
Power supply voltage: 24 VAC/VDC.
Input type: Thermocouple or Resistance thermometer.
Alarm output: 3.
Control output: Voltage output .
Functions: Heater burnout, Yes (CT1); Mounting option units, Yes.
Previous model: None.
These Best-selling General,
purpose Temperature Controllers,
Are Now Even Better.
Controllers now available with analog inputs.
Faster sampling at 250 ms.
Transfer output provided for easy output to recorders.
Models available with a loop break alarm (LBA) and,
heater short alarm (HS alarm).
Manual output provided.
Easy setting with 11-segment displays.
New protocol called Modbus is installed in the,
models with communications.
USB-Serial conversion cable is available.
Note: Refer to Precautions on page 33.
XE-QA277-2 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=XE-QA277-2&select=5