User's Guide

User Guide
21
User Guide, WhereTag IV GT, TFF-3110 D2280 Rev 02
© Copyright Zebra Technologies Corporation Confidential and Private
Appendix A
Physical Interface for P/N TFF-3110-01AA only
Screw Terminal Block:
Terminal Block MFG .................... ON-SHORE
Terminal Block P/N ...................... OSTTE160161
Recommended Cables:
Outer Jacket Diameter ................. 3-6.5 mm (0.11”-0.26”)
Cat-6 UTP .................................... P/N TBD
Unless otherwise specified in table below, cable length must not exceed 100 m (328
feet)
Pin Signal Notes
1 RS-485 RX(+) Isolated Input: differential pair with 120 ohm load
2 RS-485 RX(-) Isolated Input: differential pair with 120 ohm load
3 RS-485 TX(+)
Isolated Output: differential pair with standard RS-485
voltages
4 RS-485 TX(-)
Isolated Output: differential pair with standard RS-485
voltages
5 RS-485 COM Isolated ground for RS-485 interface
6 SENSE 1 (+)
Isolated Input: differential pair for contact detection
[open or short between SENSE1(+) and SENSE1(-)]
7 SENSE 1 (-)
Isolated Input: differential pair for contact detection
[open or short between SENSE1(+) and SENSE1(-)]
8 +12/24 VDC +12 VDC to +28V DC, 400 mA absolute max, 100 mA typ
9 GROUND
10 NON ISO 1
Non-isolated Input: open or close to GND
Maximum cable length must not exceed 3 m (10 feet)
11 NON ISO 2
Non-isolated Input: open or close to GND
Maximum cable length must not exceed 3 m (10 feet)
12 SENSE 2 (+) Isolated Input: differential pair for contact detection