36 • XM678D I&O Manual 026-1219 Rev 3
20 Technical Data
CX660 KEYBOARD
Housing Self-extinguishing ABS
Dimensions
Case: CX660 fascia
Front: 35 mm x 77 mm Depth: 18 mm
Panel Mount: 29 mm
x 71 mm panel cut-out
Protection
IP20
Frontal: IP65
Power Supply From XM600K power module
Display Three (3) digits, red
LED, 14.2 mm high
Optional Output Buzzer
POWER MODULES
Case 8 DIN
Connections
Screw terminal block ≤ 1.6 mm
2
heat-resistant wiring and 5.0
mm Faston or screw terminals
Power Supply
24VAC -
An isolated transformer for the XM678D power
supply must be used.
Do not share power with any other
devices.
Power Absorption 20VA max
Inputs Up to 6 NTC/PTC/Pt1000 probes
Digital Inputs Three (3) voltage-free
Relay Outputs (
Total current on loads MAX 16A)
Refer to Section 21 for UL Ratings
Solenoid Valve: relay SPST 5A, 250V
ac
Defrost: relay SPST 16A, 250Vac
Fan: relay SPST 8A, 250Vac
Light: relay SPST 16A, 250Vac
Alarm: SPDT relay
8A, 250Vac
Aux: SPST relay 8A, 25
0Vac
Valve Output Bipolar or unipolar valves
Maximum Distance between Control
ler and Valve
Up to 10m with shielded twisted cables, AWG 18
(0.8
23mm2) or less.
Maximum Length for LAN
Up to 30m with shielded twisted cables, AWG 20 (0.51mm2)
or less.
Optional O
utput (AnOUT)
Depending on the model
PWM/ Open Collector outputs: P
WM
or 12VDC max
40mA
Analog Output: 4 to
20mA
or 0 to 10V
Serial Output RS485 with MODBUS-RTU and LAN
Data Storing On the volatile memory (
EEP
ROM)
Kind of Action 1B
Pollution Degree 2
Software Class A
Table 20-1- XM678D Technical Specifications
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