Compatible Devices
TSX Micro (All) [g3-unitelway_0 | Word]
Verified Device
TSX 37 22001
TSX 37 21001 [g3-unitelway_0 | Word]
Driver Selection
- Use Unitelway Master when no other device is acting as master
- Use Unitelway Slave when another master is present
Note:
The Slave driver can only read/write data; it cannot respond to requests. [g3-unitelway_0 | Word]
Driver Options
Unitelway Master
- Select 0 for “This Drop Number”
Unitelway Slave
- Select station number
- Choose correct master type (TSX or G3) [g3-unitelway_0 | Word]
Device Options
Unitelway Master
- Select drop number for slave device
Unitelway Slave
- Select:
- 0 → access master device
- Other → access slave PLC [g3-unitelway_0 | Word]
Important Information
- Maximum values shown do not define actual device limits
- Programmer must ensure valid addressing
- No validation is performed on written values [g3-unitelway_0 | Word]
Accessible Data
| Prefix | Description | Access |
|---|---|---|
| M | Internal Memory Bits | R/W |
| MB | Internal Memory Bytes | R/W |
| MW | Internal Memory Words | R/W |
| MDW | Internal Double Words | R/W |
| MF | Internal Memory Reals | R/W |
| S | System Memory Bits | R/W |
| SB | System Memory Bytes | R/W |
| SW | System Memory Words | R/W |
| SDW | System Double Words | R/W |
| KW | Constant Words | Read Only |
| KDW | Constant Double Words | Read Only |
| KF | Constant Reals | Read Only |
| TP | PL7 Timer Preset | R/W |
| TV | PL7 Timer Value | Read Only |
| TR | PL7 Timer Running | Read Only |
| TD | PL7 Timer Done | Read Only |
| TMP | IEC Timer Preset | R/W |
| TMV | IEC Timer Value | R/W* |
| TMQ | IEC Timer Output | Read Only |
| CP | Counter Preset | R/W |
| CV | Counter Value | R/W* |
| CE | Counter Empty | Read Only |
| CD | Counter Done | Read Only |
| CF | Counter Full | Read Only |
| W | Conversion Tool Only | N/A |
| P | Highest Slave Address | Note 1 |
* Timer/Counter writes may fail silently if conditions are not met. [g3-unitelway_0 | Word]
Notes
- Byte writes are performed as 8 individual bit writes
- W prefix is retained for legacy database conversion (auto-converted to MW) [g3-unitelway_0 | Word]
P Command (Master Only)
- Defines highest slave address
- Range: 1–31 (default = 8)
- Best performance when slaves are:
- Sequential (1,2,…n)
- No gaps
Can be updated dynamically during runtime. [g3-unitelway_0 | Word]
Cable Information
Unitelway Master (Destination PLC is Slave)
| FROM RLC UNIT | Name | RJ45 | MINI-DIN 8 |
|---|---|---|---|
| 1 | TxB | 1,4 | 1 |
| 2 | TxA | 2,3 | 2 |
| 3 | RxA | 2,3 | 2 |
| 4 | RxB | 1,4 | 1 |
| 5 | TxEN | 5 | - |
| 6 | Comm | 6 | 5,7 |
| 7 | TxB | 7 | - |
| 8 | TxA | 8 | - |
Unitelway Slave (Destination PLC is Master)
| FROM RLC UNIT | Name | RJ45 | MINI-DIN 8 |
|---|---|---|---|
| 1 | TxB | 1,4 | 1 |
| 2 | TxA | 2,3 | 2 |
| 3 | RxA | 2,3 | 2 |
| 4 | RxB | 1,4 | 1 |
| 5 | TxEN | 5 | - |
| 6 | Comm | 6 | - |
| 7 | TxB | 7 | - |
| 8 | TxA | 8 | - |
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