General technical specifications

Degree of protection

IP20

Ambient temperature

-25 ... +70 °C

Conformal coating

Coating of the printed circuit boards and the electronic components

Technical data

The technical data of the standard product applies except for the environmental conditions.

Ambient conditions

Relative humidity

5 ... 100%,
condensation permitted

Biologically active substances

Conformity with EN 60721‑3‑3, Class 3B2 mold and fungal spores (except fauna)

Chemically active substances

Conformity with EN 60721‑3‑3, Class 3C4 incl. salt mist and ISA–S71.04 severity level G1; G2; G3; GX ¹⁾²⁾

Mechanically active substances

Conformity with EN 60721‑3‑3, class 3S4 including sand, dust ²⁾

Air pressure (depending on the highest positive temperature range specified)

1080 ... 795 hPa (-1000 ... +2000 m)
see ambient temperature range

795 ... 658 hPa (+2000 ... +3500 m)
derating 10 K

658 ... 540 hPa (+3500 ... +5000 m)
derating 20 K

Vibration resistance

2 g continuously,
5 g periodically
(motor starter max. 2 g)

Maximum configuration (none of the limits listed below must be exceeded)

• Number of modules per IM 151, max.

IM151-1 BASIC: Up to 12 modules

IM151-1 COMPACT: Up to 12 modules

IM151-1 STANDARD: Up to 63 modules

IM151-1 HIGH-FEATURE: Up to 63 modules

IM151-7 CPU: Up to 63 modules

IM151-3 PN: Up to 63 modules

• Line width, max.

IM151-1 BASIC: Up to 2 m

IM151-1 COMPACT: Up to 2 m

IM151-1 STANDARD: Up to 2 m

IM151-1 HIGH-FEATURE: Up to 2 m

IM151-7 CPU: Up to 1 m

IM151-3 PN: Up to 2 m

• User data length

Depending on the number and type of connected modules

IM151-1 BASIC: Up to 88 bytes for inputs and outputs

IM151-1 COMPACT: Up to 100 bytes for inputs and outputs

IM151-1 STANDARD: Up to 244 bytes for inputs and outputs

IM151-1 HIGH-FEATURE: Up to 244 bytes for inputs and outputs

IM151-7 CPU: Not applicable

IM151-3 PN: 256 bytes

• Parameter length

Depending on the number and type of connected modules

IM151-1 BASIC: 198 bytes

IM151-1 COMPACT: 218 bytes

IM151-1 STANDARD: Up to 244 bytes

IM151-1 HIGH-FEATURE: Up to 244 bytes

IM151-7 CPU: Not applicable

IM151-3 PN: Not applicable

Requirements of the DP master system

• PROFIBUS DP master

In accordance with EN 50170

• Parameter length

>32 bytes, depending on the number and type of connected modules

• User data length

Depending on the number and type of connected modules

• Diagnostics length

17 to 64 bytes (adjustable)

Standards, approvals

• PROFIBUS

EN 50170, Volume 2

• IEC 1131

IEC 1131, Part 2

• UL

Acc. to standard UL508, File No. E 116536/E 75310 (AC modules)

• RCM (formerly C-Tick)

AS/NZS 2064 (Class A)

• CSA

Acc. to standard C22.2 No. 142, File No. LR 48323/LR 44226 (AC modules)

• cULus for hazardous locations

Acc. to standard UL 508, File No. E 116536
acc. to hazardous locations UL 1604, File No. E 222109
acc. to standard CSA C22.2, No. 142

• FM

Standard Class No. 3611, Class I, Division 2, Group A, B, C, D, Class I, Zone 2, Group IIC (without motor starter and frequency converter)

• Marine

American Bureau of Shipping

Bureau Veritas

Det Norske Veritas

Germanischer Lloyd

Lloyds Register of Shipping

Nippon Kaiji Kyokai

(without motor starters and frequency converters)

• Ex approval Cat. 3 (for Zone 2 acc. to ATEX–100a)

EN 50021

(without frequency converters)