8: Options
70
TS_616_08 PW8000DPA ST (S2) User Manual 21/4/22
8.1.1 Customer control inputs (X1)
Terminal block X1 provides a range of standard input interfaces that can be used by the customer as required. All
connections are made to Phoenix spring terminals. These terminals will accept wires up to 1.5 mm² but we recommend
0.5 mm² gauge wires are used for ease of connection.
Four switched inputs are used to signal an external Remote Shut Down, On Generator and a customer-specific function
(special application) operation, together with a battery temp sensor input. These are applied to the UPS internal control
system via isolation relays fitted on the communications interface board that are controlled directly by the external inputs.
Remote shutdown
The remote shutdown facility comprises a
normally-closed switched connected
between terminal X1/7 and X1/8.
When the remote switch is opened it shuts
down the UPS and turns OFF the UPS
output which removes the load supply.
When the remote shutdown option is used,
we recommend that a terminal block with
linking facilities is installed between the UPS
shutdown port and the remote shutdown
switch, as shown, in order to allow the
removal, maintenance or testing of the
remote circuit without affecting the UPS operation.
If the remote shutdown option is required, it must be activated by a hardware code on the
SETUP SERVICE
menu, which
will be done as part of the UPS system commissioning process. If you wish to activate this feature after the system has
been commissioned please contact Kohler Uninterruptible Power Ltd. service department for advice.
To fit an external remote shutdown facility:
1. Use a screened cable with 1 pair (section of wires 0.5 mm
2
- 1.5 mm
2
) and maximum length of 100m.
2. Connect the cable as shown in Figure 8.2.
CAUTION:
When the UPS cabinet is installed as part of a parallel cabinet system the communications interface
board I/O is disabled in the ‘slave’ cabinets if the system ‘Multidrop’ application is enabled. Under such
circumstances the required interface connections should be made to the board fitted in the ‘master’ module only.
Terminal
Contact
Signal
Function
X1
X1/10
Gnd
Gnd
UPS-pr12 Vdc output supply (max 200mA).
X1/9
In
+12 Vdc*
X1/8
Gnd
Gnd
REMOTE SHUTDOWN
(Do not remove the factory-fitted bridge if this feature is not used)
X1/7
In
+12 Vdc*
X1/6
Gnd
Gnd
BATTERY TEMPERATURE SENSING
(If connected this input is battery temperature dependent)
X1/5
In
+3.3V
X1/4
Gnd
Gnd
CUSTOMER SPECIFIC INPUT
(Function on request to be defined)
X1/3
In
+12 Vdc*
X1/2
Gnd
Gnd
GENERATOR OPERATION
(NC = Generator on line)
X1/1
In
+12 Vdc
*+12 Vdc is the terminal open-circuit voltage. This are pulled down to 0V (Gnd) when the external circuit is closed.
WARNING:
The remote shutdown is designed to disconnect the UPS AC output supply but does not totally
shut down the UPS system. For this reason it should not be considered as an ‘Emergency Stop’ mechanism. A
full Emergency Stop application is available as a factory-fitted option.
X1
X1/7
X1/8
Remote shutdown
Terminal block
UPS Remote
Shutdown Port
Temporary link
Figure 8.2 Remote shutdown connection
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