Schneider 170ADM39030C I/O Module

This module provides mixed discrete I/O for Schneider Advantys STB distributed systems. It combines digital inputs and outputs within a single island node. Therefore, it saves valuable panel space and reduces wiring complexity.

Physical and Power Specifications

The Schneider 170ADM39030C measures 11.5 cm in length and 8.0 cm in width. Moreover, its module weight equals approximately 0.18 kg for DIN rail mounting. A single 14-pin removable terminal block handles all field wiring connections. Additionally, this module receives 24 VDC power from the STB island bus.

Parameter	Specification
Brand	Schneider Electric
Full Model	170ADM39030C
Category	Discrete I/O Module (Advantys STB)
Dimensions (L x W x H)	11.5 cm x 8.0 cm x 7.0 cm (4.53″ x 3.15″ x 2.76″)
Module Weight	0.18 kg (0.40 lbs)
Primary Interface	1 x 14-pin Removable Screw Terminal Block
Power Supply	24 VDC from Island Bus (19.2 to 28.8 VDC)
Power Consumption	1.5 W (Typical)
Digital Input Channels	6 Channels (24 VDC, Sink)
Digital Output Channels	6 Channels (Transistor, 0.5A)
Input Voltage Range	0 to 30 VDC
Input On-State Voltage	> 15 VDC
Input Off-State Voltage	< 5 VDC
Input Impedance	4.7 kΩ
Input Response Time (On)	1 ms (Typical)
Input Response Time (Off)	1 ms (Typical)
Output Type	NPN Open Collector (Sinking)
Output Voltage Range	12 to 24 VDC
Output Current per Channel	0.5 A (Continuous), 1.0 A (Peak, 100 ms)
Output On-State Drop	< 1.5 VDC at 0.5 A
Output Off-State Leakage	< 0.1 mA at 24 VDC
Output Protection	Short Circuit + Overtemperature + Overcurrent
Output Response Time (On)	0.5 ms (Typical)
Output Response Time (Off)	0.5 ms (Typical)
On-Board Components	6 Input Optocouplers + 6 Power Transistors + 6 Flyback Diodes + 1 Microcontroller + 2 Protection Diodes + 1 Status LED Driver
Energy Storage	2 x 100 µF Electrolytic Capacitors (35V) + 1 x 47 µF Tantalum (16V)
Isolation Rating	1500 Vrms (Field to Logic)
Operating Temperature	0°C to +55°C (32°F to 131°F)
Mounting Type	DIN Rail (Advantys STB Island)
Status Indicators	6 Green LEDs (Inputs) + 6 Green LEDs (Outputs) + 1 Green LED (Power) + 1 Red LED (Fault)

Input Channel Features and Signal Processing

The Schneider 170ADM39030C accepts six sinking digital input signals at 24 VDC. For instance, each input includes an optocoupler for complete electrical isolation. In addition, the input impedance of 4.7 kΩ suits standard industrial sensors. Moreover, both input channels respond within 1 millisecond to signal changes. Consequently, this module captures fast field events without missing critical transitions.

Output Channel Features and Protection Systems

Six transistor outputs provide NPN sinking capability for actuator control. Specifically, each output delivers 0.5 amps continuously at 24 VDC. In addition, internal flyback diodes protect the transistors when driving inductive loads. Furthermore, short circuit protection shuts down any faulty channel automatically. Thus, this module survives wiring mistakes without permanent damage.

Energy Storage and Operational Stability

The Schneider 170ADM39030C stores energy using three onboard capacitors. First, two electrolytic capacitors filter the 24 VDC island bus supply. Second, one tantalum capacitor provides high-frequency noise suppression for logic circuits. Third, these capacitors maintain stable operation during brief power interruptions. Therefore, the module continues functioning through minor supply dips reliably.

Installation and Diagnostic Indicators

You will find twelve LEDs displaying real-time I/O status on this module. For example, six green LEDs light when each input receives an active signal. Similarly, six green LEDs illuminate when each output turns on. Additionally, a green Power LED indicates the presence of 24 VDC. Finally, a red Fault LED signals overtemperature or overcurrent conditions. Thus, you can diagnose system status instantly without external tools.