Siemens 6ES7232-0HB22-0XA8 SIMATIC S7-200 CN EM 232 Analog Output Module

Overview

SIEMENS SIMATIC S7-200 CN

6ES7232-0HB22-0XA8 SIMATIC S7-200 CN EM 232 Analog Output Module

A two-channel S7-200 CN analog output module for bipolar voltage or current commands, using the EM 232 output format and a compact 46 mm housing.

At a Glance

Brand	Siemens
Model	6ES7232-0HB22-0XA8
Product Type	EM 232 analog output module
Core Function	Converts PLC values to field analog signals
Application	SIMATIC S7-22X CPUs

Two analog channels

Separate channel terminals provide voltage or current output wiring.

Scaled process values

Voltage and current commands use different numerical ranges.

S7-22X expansion

The CN module is specified for the S7-22X CPU family.

Product Overview

6ES7232-0HB22-0XA8 adds two analog output channels to a compatible S7-22X installation.

The EM 232 output arrangement supports bipolar voltage commands and unipolar current commands, with separate load limits and settling times for the two signal types.

Ordering focus: Match the S7-200 CN article, S7-22X host and required voltage or current wiring, then apply the correct numerical scaling and load impedance.

Key Functions

Generate bipolar voltage commands

The voltage output covers −10 to +10 V and uses a signed process-word range.

Drive current-command circuits

The current output covers 0–20 mA and uses a nonnegative process-word range with a separate loop-resistance limit.

Match the analog load dynamics

The settling time is 100 µs for voltage output and 2 ms for current output.

Official Specifications

Analog Output Channels	2
Voltage Output Range	−10 to +10 V DC
Current Output Range	0–20 mA
Output Resolution	Voltage: 12 bits including sign; current: 11 bits
Process-Word Scaling	Voltage: −32000 to +32000; current: 0 to +32000
Voltage-Output Settling Time	100 µs
Current-Output Settling Time	2 ms
Voltage-Output Load Resistance	5 kΩ minimum
Current-Output Load Resistance	500 Ω maximum
External Supply Voltage	24 V DC nominal; 20.4–28.8 V DC
Output Accuracy	Typical ±0.5% of full scale at 25 °C; worst case ±2% over 0–55 °C
Field-to-Logic Isolation	None
Typical Power Loss	2 W
Overall Dimensions	46 × 80 × 62 mm (W × H × D)

Official source:Siemens EM 232 CN Data Sheet · Siemens S7-200 System Manual

Frequently Asked Questions

Can I connect 6ES7232-0HB22-0XA8 to an S7-21X CPU?

The module is specified only for S7-22X CPUs.

Which process-word range should I write for a voltage command on 6ES7232-0HB22-0XA8?

Use a signed value from −32000 to +32000 for the bipolar voltage range.

Which process-word range should I use for current output on 6ES7232-0HB22-0XA8?

Use values from 0 to +32000 for the 0–20 mA output range.

How much loop resistance can the current output of 6ES7232-0HB22-0XA8 drive?

The permitted current-output load resistance is 500 Ω maximum.

How low can the voltage-output load resistance be on 6ES7232-0HB22-0XA8?

The voltage output requires a load resistance of at least 5 kΩ.

Does 6ES7232-0HB22-0XA8 settle equally fast in voltage and current operation?

The voltage output settles in 100 µs, while the current output settles in 2 ms.

Which channel terminals should I distinguish when wiring 6ES7232-0HB22-0XA8?

Each channel provides its M common, V voltage-output terminal and I current-output terminal.

Compatibility & Ordering Notes

Before ordering 6ES7232-0HB22-0XA8: Select the S7-200 CN two-output EM 232 article for a compatible S7-22X CPU, with the correct signal type, supply and load resistance.

Compatibility Checklist for 6ES7232-0HB22-0XA8

• Use the module only with a supported S7-22X CPU.
• Keep the CN article suffix XA8 when maintaining the specified equipment.
• Wire the voltage or current terminal for the intended signal on each channel.
• Use the signed voltage scale or nonnegative current scale as appropriate.
• Provide 24 V DC within the 20.4–28.8 V range.
• Apply the separate voltage-load and current-loop impedance limits.

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