Installation guide, Wiring – Veris Industries H8936 Install User Manual
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Z202662-0G
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TM
H8932/H8936
INSTALLATION GUIDE
Power Wiring Option #1
120 VAC
Power Wiring Option #2*
12 VDC
*Internal fusing is not active on the 12 VDC input. Do not connect
both power options at the same time.
External ½ A fuse must be provided by installer.
WIRING
1. Connect the upstream RS-485 or RS-232 devices (if used).
2. Connect the downstream RS-485 device daisy chain.
3. Connect the power. Use either 120 VAC (240 VAC if using the E model) 2-wire or 12
VDC as shown below.
4. Terminate the downstream and upstream networks per the RS-485 standard.
RS-232 Upstream
Master (Network Display)
Slave (Downstream Device)
4-wire RS-485 Downstream
4-wire RS-485 Upstream
2-wire RS-485 Downstream
2-wire RS-485 Upstream
Master or Slave