Omron DRT1 Series - Page 175

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Temperature Input Terminals Section 4-9
Note Less than –100°C of K1, T, N: ±4°C ±1 digit max.
U, L1, L2:
±4°C ±1 digit max.
Less than 200
°C of R, S: ±6°C ±1 digit max.
Less than 400
°C of B: No regulation
W: (Instruction value
±0.5% or ±6°C, whichever is larger) ±1 digit max.
PL II: (Instruction value
±0.5% or ±4°C, whichever is larger) ±1 digit max.
Shock resistance
200 m/s
2
Dielectric strength 500 V AC for 1 min (between insulated circuits)
Insulation resistance 20 MΩ min. at 250 V DC (between insulated circuits)
Ambient operating temper-
ature
0 to 55°C
Ambient operating humidity 35% to 85% (with no condensation)
Ambient operating environ-
ment
No corrosive gases.
Ambient storage tempera-
ture
−25 to 65°C
Mounting method M4 screw mounting or 35-mm DIN track mounting
Mounting strength 50 N
10 N min. in the DIN Track direction
Terminal strength Pull: 50 N
Weight 230 g max. 160 g max.
Input classification R, S, K1, K2, J1, J2, T, E,
B, N, L1, L2, U, W, PL II
convertible (4-point com-
mon input class)
Pt100, JPt100 convertible
(4-point common input
class)
Instruction precision (Instruction value ±0.5% or
±2°C, whichever is larger)
±1 digit max. (See note.)
(Instruction value ±0.5% or
±1°C, whichever is larger)
±1 digit max.
Conversion period 250 ms / 4 pts.
Temperature conversion
data
Binary data (4-digit hexadecimal)
Isolation method Photocoupler isolation between temperature inputs and
communications lines
(Photocoupler isolation between temperature input sig-
nals.)
Item Specification