TREND SCTI User Manual
Page 6
SCVO, SCVI, SCCI, SCTI, SCDI
Installation Instructions
SCVO, SCVI, SCCI, SCTI, SCDI S Cards Installation Instructions TG103127 Issue 2/A 22/5/03
2 - 2
WARNING
: If external relays are fitted, the wires may
be connected to hazardous voltages.
Disconnect power before attempting any
wiring.
Installation
(continued)
V
Connect Outputs
16
Analogue Voltage Outputs
(Channels 21 to 32 only)
Terminal size 0.5 to 2.5 mm
2
Additional Relay Modules
(RLM/HLM)
(HCM/TRM)
Trend TP/1/1/22/HF/500 (Belden 8761) cable recommended for voltage outputs
OUT
C
Earth bar
Load
IQ24x
Relay
Module
nRM
SRMV =
x 1
2SRM =
x 2
3RM =
x 3
6RM =
x 6
2RM =
x 2
0 to 10 Vdc
0 Vdc
maximum current 20 mA per channel
Switch On
17
Check Controller
18
O
I
a
Check supply
b
IQ Faulty
(power)
(green)
(watchdog)
(red)