Iecex Approval; Entity And Voltage Values, Atex And Iecex; Canadian Approval - Mettler Toledo ACM500 Guia De Instalacion

2.5.

IECEx Approval

The ACM500 module has been evaluated for certification as:
2.6.

Entity and Voltage Values, ATEX and IECEx

The approved entity parameters for IECEx approval for the ACM500 intrinsically safe communication
module are listed in Table 2-3.
The maximum voltage that can be applied to the ACM500 communication module is shown below
in Table 2-4. This is noted as the U
2.7.

Canadian Approval

This section lists approval details for the ACM500 when installed according to Canadian
requirements. The Canadian safety approvals are based upon entity values.
The ACM500 communication module has been evaluated and approved as:
2-4 METTLER TOLEDO ACM500 Installation Manual
With Current Loop (CL) Interface
• [Ex ib Gb] IIC
• [Ex ib Db] IIIC
With Fiber Optic (FO) Interface
•
[Ex op is Gb] IIC
• [Ex op is Db] IIIC
Table 2-3: Entity Values – ATEX and IECEx
Entity Values for ATEX and IECEx Approval
Maximum Voltage Listing for ATEX and IECEx Approval
Associated apparatus with intrinsically safe connections to Class I, Division 1, Groups A, B,
C, D, Class II, Division 1, Groups E, F, and G, Class III hazardous locations in accordance
with Entity Requirements and METTLER TOLEDO Control Drawing #72191600.
• AIS / I, II, III / 1 / ABCDEFG - 72191600; Entity; IP66
U 10 VDC
i
I 300 mA
i
P 500 mW
i
C 120 nF
i
L 0 mH
i
value on the label as part of the approval.
m
Table 2-4: Maximum Voltage
U
m
250 VAC
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