MODBUS controller with RS-232 interface, 115.2 kBd, for industrial automation and control.
Product Model750-816/300-000
Product ID46147
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureReliable MODBUS communication for industrial automation
2
FeatureRS-232 interface with 115.2 kBd baud rate
3
FeatureHigh-quality and durable construction
4
FeatureEasy integration into existing control systems
5
FeatureCompliant with industry standards for performance and safety
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Communications
Modbus RTU
Visualization
none
CPU
16 bits
Programming languages per IEC 61131-3
Instruction List (IL)
Programming environment
WAGO-I/O-PROV2.3 (based on CODESYS V2.3)
Configuration options
WAGO-I/O-CHECK
Cycle time
< 3 ms for 1000 bit instructions/ 256 digital I/O
Transmission rate
150/115.2 kBd
Bus segment length (max.)
1200 m
Transmission medium (communication/fieldbus)
Shielded Cu cable 2 (4) x 0.25 mm2
Number of fieldbus nodes on master (max.)
247
Number of I/O points
6,000
Program memory
32 KB
Data memory
32 KB
Non-volatile software memory
8Kbytes
Memory for fieldbus input variables (max.)
512Byte
Memory for fieldbus output variables (max.)
512Byte
Number of modules per node (max.)
64
Number of modules without a bus extension (max.)
64
Input and output process image (fieldbus) max.
1024 bytes/1024 bytes
Indicators
LED (ON, LINK, TxD/RxD) green: Fieldbus initialization, send, receive; LED (CRC) red: Checksum error; LED (I/O) red/green/orange: Local data bus status; LED (A, B) green: System power supply status, field supply
Supply voltage (system)
24 VDC (-25 +30 %); Via pluggable connector (CAGE CLAMP®connection)
Input current (typ.) at nominal load (24 V)
500mA
Power supply efficiency (typ.) at nominal load (24 V)
87%
Current consumption (5 V system supply)
350mA
Total current (system supply)
1,650mA
Supply voltage (field)
24 VDC (-25 +30 %); Via power jumper contacts
Current carrying capacity (power jumper contacts)
10A
Number of outgoing power jumper contacts
3
Isolation
500 V system/field
Connection technology: communication/fieldbus
Modbus RTU: 1 x D-sub 9 socket
Connection technology: system supply
2 x CAGE CLAMP®
Connection technology: field supply
6 x CAGE CLAMP®
Connection type 1
System/field supply
Solid conductor
0.08 … 2.5 mm2 / 28 14 AWG
Fine-stranded conductor
0.08 … 2.5 mm2 / 28 14 AWG
Strip length
8 9 mm / 0.31 0.35 inches
Connection technology: device configuration
1 x Male connector; 4-pole
Width
50.5 mm / 1.988 inches
Height
100 mm / 3.937 inches
Depth
71.1 mm / 2.799 inches
Depth from upper-edge of DIN-rail
63.9 mm / 2.516 inches
Weight
184.9g
Housing material
Polycarbonate; polyamide 6.6
Conformity marking
CE
Ambient temperature (operation)
0 … +55 °C
Ambient temperature (storage)
-25 … +85 °C
Protection type
IP20
Pollution degree
2 per IEC 61131-2
Operating altitude
without temperature derating: 0 2000 m; with temperature derating: 2000 5000 m (0.5 K/100 m); 5000 m (max.)
Relative humidity (without condensation)
95%
Mounting position
Horizontal left, horizontal right, horizontal top, horizontal bottom, vertical top and vertical bottom
Mounting type
DIN-35 rail
Vibration resistance
4g per IEC 60068-2-6
Shock resistance
15g per IEC 60068-2-27
EMC immunity to interference
per EN 61000-6-2, marine applications
EMC emission of interference
per EN 61000-6-3, marine applications
Exposure to pollutants
Per IEC 60068-2-42 and IEC 60068-2-43
Fire load
2.699MJ
Permissible pollutant concentration H2S at a relative humidity < 75%
10ppm
Permissible pollutant concentration SO 2 at a relative humidity < 75%
