Fig. 44 ha, Lightning protection – Honeywell Excell 500/600 Controll System 500-XCL5010 User Manual
Page 21
EXCEL 500/600 INSTALLATION INSTRUCTIONS
XC5010C / XC6010 Cable Lengths and Sizes
A cable length of 1300 ft (400m) with a cross sectional area of
0.5 mm
2
(20 AWG) is permissible for a two-core, 0 to 10 Vdc
Table 3. Cable sizing
signal cable.
Type of signal
Cross sectional area
≤≤≤≤ 300 ft
(100 m)
≤≤≤≤ 550 ft
(170 m)
≤≤≤≤ 1300 ft
(400 m)
24 Vac power
supply
≤ 16 AWG
(
≥ 1.5 mm
2
)
≤ 14 AWG
(
≥ 2.5 mm
2
)
-
Low voltage
signals
1
≤ 20 AWG (≥ 0.5 mm
2
)
1
0 to 10V sensors, totalizers, digital inputs, 0 to 10V signals for
actuators, etc.
Lightning Protection
Please contact your local Honeywell representative for
information on lightning protection.
MAX. 1300 ft (400 m)
EXTERNAL
TRANSFORMER
MIN. 20AWG (0.5 mm2)
24 Vac
230 Vac
120 Vac
PRIMARY
VOLTAGE
TRANSFORMER
PRIMARY
VOLTAGE
Y
24 Vac
24 V
Y
GND
Fig. 44. Connection of XL500/600 controller and a 24 V
actuator with separate transformers
21
EN1R-1047GE51 R0902