SICK GLD20 Instrucciones De Funcionamiento página 182

操作指南
5.2 关于 UL 认证的提示
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182
操 作 指 南 | GLD20
提示
数据电缆敷设
使用双绞线（绞线对）屏蔽型数据线。
■
采用无故障、完整的屏蔽设计。
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始终按照电磁兼容性标准敷设和连接电缆，避免例如开关电源件、电机、周期
■
性驱动器和接触器的干扰影响。
请勿将电缆与电缆槽盒中的电压供给及电机电缆平行敷设较长的距离。
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设备只能在下列条件下达到 IP 防护等级：
插在接口上的电缆必须拧紧。
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接线端子室必须按照"接线端子连接"说明进行密封。
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如不遵守，则无法为设备确保 IP 防护等级！
UL approval
表格 2: UL approval
G20 products with DC voltage supply and
with:
connector
•
• cable
• cable with connector
UL:
The device shall be supplied from an
isolating transformer having a secondary
overcurrent protective device that complies
with UL 248 to be installed in the field
rated either:
a) max 5 amps for voltages 0 V ~ 20 V (0
V ~ 28.3 V peak), or
b) 100 / Vp for voltages of 20 V ~ 30 V
(28.3 V ~ 42.4 V peak)
Alternatively, they can be supplied from
a Class 2 voltage supply.
UL Environmental Rating: Enclosure type 1
For use in NFPA 79 Applications only
G20 products with AC voltage supply and
with:
• cable
• cable with connector
UL:
UL Environmental Rating: Enclosure type 1
For use in NFPA 79 Applications only
G20 products with DC and AC/DC voltage
supply and with:
• terminal chamber: Gxx20x-QK and
Gxx20x-QL
UL:
For use in NFPA 79 Applications only
8026844.1K1V/2024-02-08 | SICK
如有更改，恕不另行通知