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Datasheet generated 2026-10-07
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Siemens SIMATIC, watchdog module for ET200ISP, Ex ib IIC T4 Gb, Ex ib I Mb (6ES7138-7BB00-0AB0)

Siemens · Control & Automation · I/O Modules · Germany · siemens.com
Part Number
6ES7138-7BB00-0AB0  ·  HS 8538.90
Siemens SIMATIC, watchdog module for ET200ISP, Ex ib IIC T4 Gb, Ex ib I Mb (6ES7138-7BB00-0AB0)

Siemens 6ES7138-7BB00-0AB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. SIMATIC ET 200iSP Watchdog module.

Technical Specifications

Manufacturer part number (MPN)6ES7138-7BB00-0AB0
EAN / GTIN4019169149105
Sales unitpcs
Product type designationWatchdog module
HW functional status4
Firmware versionV1.0.2
Rack mountingNo
Front mountingYes
Rail mountingYes
Wall mounting/direct mountingYes
Type of supply voltageDC
Permissible range, lower limit (DC)20.4 V
Permissible range, upper limit (DC)28.8 V
From load voltage (power bus), max.2 mA * number of connected digital output modules
Power loss, typ.50 mW
Fieldbus connection via separate transceiverYes
Number of digital inputs0
Number of PROFINET interfaces0
Number of RS 485 interfaces0
Supports protocol for PROFINET IONo
PROFIsafeNo
PROFIBUSNo
Diagnoses — Diagnostic information readableYes
Diagnostics indication LED — Group error SF (red)Yes
Diagnostics indication LED — Status indicator digital input (green)Yes
Module for Ex(i) protectionYes; for more Co/Lo combinations, see certificate IECEx KEM 06.0026
Maximum values for connecting terminals for gas group IIC — Uo (no-load voltage), max.12.7 V
Maximum values for connecting terminals for gas group IIC — Io (short-circuit current), max.329 mA
Maximum values for connecting terminals for gas group IIC — Po (power output), max.0.91 W
Maximum values for connecting terminals for gas group IIC — Co (permissible external capacity), max.1 µF
Maximum values for connecting terminals for gas group IIC — Lo (permissible external inductivity), max.0.3 mH
Between the channels and backplane busYes
Between channels and powerbusYes
Between different circuits60 V DC/30 V AC
IP degree of protectionIP30
CE markCE 0344
UKCA markDEKRA 21UKEX0028 Importer UK: Siemens plc Manchester M20 2UR
CULusLISTED E334384
FM approvalCLASSIFIED 3025852
Suitable for safety functionsNo
INMETRO certificateUL-BR 12.0075
Reference designation according to IEC 81346-2 (2009)K
Use in hazardous areas — ATEX markingII 2 G Ex ib IIC T4 Gb I M2 Ex ib I Mb
Use in hazardous areas — ATEX certificateKEMA 06 ATEX 0086
Use in hazardous areas — IECExIECEx KEM 06.0026
Use in hazardous areas — CCC Ex2020322316002993
Use in hazardous areas — EAC Ex1Ex ib IIC T4 Gb PB Ex ib I Mb
Use in hazardous areas — FM markingClass I, Zone 1 AEx ib IIC T4 Ex ib IIC T4 NI, Class I, Division 2, GP. A,B,C,D T4 DIP, Class II, III, GP. E,F,G
Use in hazardous areas — Explosion protection category for gasATEX gas explosion protection, Zone 1
Use in hazardous areas — Explosion protection category for dustNo
Use in hazardous areas — associated equipment (Ex ia)No
Use in hazardous areas — associated equipment (Ex ib)Yes
Marine approval — Germanischer Lloyd (GL)Yes
Marine approval — American Bureau of Shipping (ABS)Yes
Marine approval — Bureau Veritas (BV)Yes
Marine approval — It Norske Veritas (DNV)Yes
Design of electrical connectionScrew/spring-type terminal
Dimensions — Width30 mm
Dimensions — Height129 mm
Dimensions — Depth136.5 mm
Voltage type (supply voltage)DC
Type of voltage (input voltage)DC
Type of digital outputNone
Degree of protection (IP)IP30
Type of electric connectionScrew-/spring clamp connection
SIL according to IEC 61508None
Performance level according to EN ISO 13849-1None
Explosion safety category for gasATEX gas-ex-protection, Cat. 2G
Explosion safety category for dustNone
Width30 mm
Height129 mm
Depth136.5 mm
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents