Instruction Manual

16 Introduction

Table 1-6: D-sub 9P signal name of COM1 & COM2 ports

1.6.3 Digital I/O Connector

The TPZ-1300 provides four channel non-isolation digital input cir-

cuits and four digital non-isolation output circuits through a termi-

nal slot of pitch 3.81mm. Spec and connector pin numbering and

definitions are as follows.

Figure 1-10: DI/O Connector Pin Numbering

7RTS# N/S N/S

8CTS# N/S N/S

9 RI# N/S N/S

4-Channel Digital Input 4-Channel Digital Output

Logic high: 2 to 5.25 V

Output type: Open drain N-channel

MOSFET driver with internal pull high of

200

Ω resistance

Output high: 2.4 to 5 V

Logic low: 0 to 0.8 V

Output low: 0 to 0.5 V

Source/Sink current for all channels: 24 mA

Signal name

RS-232 RS-422 RS-485

610