Yokogawa MLX - Manual (Page 44)

Page 44 of 49
IM 60A02S01-01E-A
7.2 Model and Suffix Codes
MODEL AND SUFFIX CODES
OPTIONAL SPECIFICATIONS (For Explosion Protected Type)
Model Suffix Codes Description
MLX ……………………………….......... Loop Indicator
Input signal -A…………………………………... 4 to 20mA DC
Mounting
1…………………………............
2…………………………............ 2 inch Horizontal Pipe
2 inch Vertical Pipe (or wall mount)
Housing
1…………………………........
2…………………………........ Cast aluminum alloy
SUS316 cast stainless steel and ASTM CF-8M
Communication -1………………….
-2…………………. Standard
HART Communications (To be announced later)
Electrical Connection
0……………..
2……………..
3……………..
4…………….. ANSI ½ - 14NPT female, two electrical connections without blind plugs
ANSI ½ - 14NPT female, two electrical connections and 316 SST blind plugs
ISO M20 x 1.5 female, two electrical connections without blind plugs
ISO M20 x 1.5 female, two electrical connections and 316 SST blind plugs
Optional Codes / □Optional specification
Item Description Code
Factory Mutual (FM)
FM Explosion-proof/FM Dust-Ignition-Proof Approval
Conforms to: FM3600, FM3615, UL 1203
Explosionproof/Dust-Ignition-Proof for Class I, II, III, Division 1 & 2, Groups A – G,
Class I, Zone 1, Group IIC T4 Ambient Temperature: –40 to 80°C (–22 to 176°F)
Temperature class: T4
FF1
FM Intrinsically Safe//FM Explosion-proof/ FM Dust-Ignition-Proof /FM Non-incendive Approval
Conforms to: FM3600, FM3610, FMRC 3611, FM 3615, FM 3616, UL 913, UL 1203,
UL 60079-0, UL 60079-11
Intrinsically Safe for Class I, II, III, Division 1 & 2, Groups A - G,
Zone 20, Class I, Zone 0, AEx ia IIC, T4 Ga –40°C < Ta < 80°C (–40 to 176°F)
Explosion-proof/Dust-Ignition-Proof for Class I, II, III, Division 1 & 2, Groups A - G,
Class I, Zone 1, Group IIC T4 Amb. Temp.: –40 to 80°C (–40 to 176°F)
Non-incendive for Class I, II, III, Division 2, Groups A - D, F, G,
Class I, Zone 2, Group IIC T4
Enclosure: "NEMA 4X", Temp. Class: T4, Amb. Temp.: –40 to 80°C (–40 to 176°F)
Intrinsically Safe Apparatus Parameters
[Groups A - G] Vmax=24 V, Imax=150 mA, Pmax=0.65 W, Ci=0 nF, Li=0 H
FU1
CENELEC ATEX
ATEX Intrinsically Safe/ATEX Flameproof/ATEX Non-incendive Approval
Flameproof
Applicable Standard: EN 60079-0, EN 60079-11, EN 60079-31
II 1G Ex ia IIC T4 Ga Entity parameters : Ui=24 V, Ii=150 mA, Pi=0.65 W, Ci=0 nF, Li=0 H
II 2G Ex d IIC T4 Gb
II 2D Ex tb IIC T135 Da
II 3G Ex nA IIC T4 Gc
Degree of protection : IP66 and IP67
Temperature class: T4, Ambient Temperature: –40 to 80°C (–40 to 176°F)
KU21